Capability explorer
Compare the ecosystems.
Evidence-backed product and developer capabilities, verified against official sources.
- Capabilities
- 66
- Categories
- 17
- Official sources
- 66
- Latest verification
- Aug 11, 2026
- Latest verification
- Aug 11, 2026
Categories & filters
| Capability | AnthropicClaude ecosystem | OpenAIChatGPT ecosystem | Assessment | Verification & sources |
|---|---|---|---|---|
| ModelsFrontier model lineup Current generally available frontier model families. | AvailableCurrent Claude models Anthropic documents Claude Fable 5, Opus 5, Sonnet 5, and Haiku 4.5 as its latest generally available lineup. | AvailableCurrent OpenAI models OpenAI recommends the GPT-5.6 Sol, Terra, and Luna family for current frontier API workloads. | Strong parity Both vendors publish multiple current frontier models with positioning and lifecycle documentation. | Checked through |
| ModelsContext window Documented model input-context limits. | AvailableClaude context limits Current Claude models document context windows from 200,000 to 1,000,000 tokens. | AvailableOpenAI context limits The current GPT-5.6 API family documents 1,050,000-token context windows. | Strong parity Both vendors publish numeric context-window limits for current models. | Checked through |
| ModelsMultimodal input Model support for inputs beyond plain text. | AvailableClaude text and image input Anthropic documents text and image input across current Claude models. | AvailableOpenAI text and image input OpenAI documents text and image input across its latest models. | Strong parity Both current model lineups accept text and image input. | Checked through |
| ModelsNative image generation First-party generation of images from prompts. | Not documentedClaude image generation The reviewed official documentation does not document a native image-generation model or tool in the reviewed Claude model and tool catalogs. | AvailableGPT Image generation OpenAI provides first-party image-generation models and an image-generation API tool. | Vendor-specific OpenAI documents native image generation; the reviewed Anthropic catalogs do not document an equivalent. | Checked through |
| Knowledge WorkConversational chat A first-party conversational assistant experience. | AvailableClaude chat Claude is available as a first-party conversational assistant on web, mobile, and desktop surfaces. | AvailableChatGPT ChatGPT provides OpenAI's first-party conversational assistant experience. | Strong parity Both vendors provide a first-party conversational assistant across common user surfaces. | Checked through |
| Knowledge WorkProjects Workspaces that group chats, files, and instructions. | AvailableClaude Projects Claude plans include Projects for organizing chats and documents. | AvailableProjects in ChatGPT ChatGPT Projects group chats, uploaded files, and custom instructions around ongoing work. | Strong parity Both products provide project workspaces that organize persistent work context. | Checked through |
| Knowledge WorkDelegated knowledge work Agentic delegation of research, analysis, and deliverables. | AvailableClaude Cowork Claude Cowork delegates research, document, and repetitive tasks and returns completed deliverables. | AvailableChatGPT Work OpenAI documents ChatGPT Work for research, file analysis, and polished documents, spreadsheets, and presentations. | Different approach Both support delegated knowledge work through differently organized product workflows. | Checked through |
| Knowledge WorkLong-running work Tasks that continue beyond a single interactive response. | AvailableLong-running Cowork tasks Claude Cowork is positioned for complex delegated work that can run in the background. | AvailableLong-running Codex work OpenAI documents long-running Codex tasks with progress, steering, and review. | Different approach Both continue substantial work beyond one response, centered on Cowork and Codex respectively. | Checked through |
| CodingPrimary coding agent A first-party agent for software-development tasks. | AvailableClaude Code Claude Code is Anthropic's first-party agentic coding tool for understanding, editing, testing, and reviewing code. | AvailableCodex Codex is OpenAI's first-party coding agent for understanding codebases, building, testing, fixing, and reviewing changes. | Strong parity Both vendors offer a first-party agentic coding product. | Checked through |
| CodingTerminal CLI A coding-agent interface that runs from a terminal. | AvailableClaude Code CLI Claude Code provides an interactive and non-interactive terminal command-line interface. | AvailableCodex CLI Codex CLI runs the coding agent from a terminal against a local checkout. | Strong parity Both coding agents have first-party terminal interfaces. | Checked through |
| CodingIDE integration A first-party coding-agent integration for editors or IDEs. | AvailableClaude Code IDE integrations Claude Code documentation links first-party IDE setup for editor-integrated coding workflows. | AvailableCodex IDE extension OpenAI provides a Codex IDE extension for editor-integrated agent work. | Strong parity Both agents integrate with development editors, though their supported editor surfaces differ. | Checked through |
| CodingDesktop coding A native desktop surface for coding-agent work. | AvailableClaude Code on desktop Anthropic includes Claude Code and desktop deployment in current Claude plans. | AvailableCodex desktop experience OpenAI exposes Codex inside the ChatGPT desktop experience with local projects and agent work. | Strong parity Both ecosystems provide desktop-accessible coding-agent work. | Checked through |
| CodingBrowser or cloud coding A browser-accessible coding agent backed by remote execution. | AvailableClaude Code on the web Anthropic documents Claude Code as available from terminal, desktop, and web surfaces. | AvailableCodex cloud Codex cloud runs coding tasks in isolated cloud environments from a browser-accessible workflow. | Strong parity Both provide browser-accessible coding backed by remote execution. | Checked through |
| AgentsCustom subagents Specialized child agents with their own instructions or configuration. | AvailableClaude Code subagents Claude Code supports specialized subagents with separate prompts, tools, and configuration. | AvailableCodex subagents Codex supports specialized subagents defined for delegated roles and tasks. | Strong parity Both coding agents expose configurable subagents. | Checked through |
| AgentsMulti-agent orchestration Coordinated execution across more than one agent. | LimitedClaude subagent orchestration Claude Code can delegate to subagents, while the reviewed sources do not present a general multi-agent API as a stable product primitive. | LimitedOpenAI multi-agent orchestration OpenAI documents multi-agent orchestration in beta alongside Agents SDK orchestration patterns. | Partial parity Both document multi-agent patterns, with different maturity and surface area. | Checked through |
| AgentsHosted agent runtime A vendor-managed runtime for executing persistent agents. | LimitedClaude Managed Agents Anthropic documents a managed-agent runtime with vendor-hosted tools and beta API surfaces. | AvailableOpenAI hosted agent execution OpenAI provides hosted agent execution through Codex cloud and agent platform tooling. | Partial parity Both provide hosted execution, but Anthropic's cited Managed Agents surface is documented as beta. | Checked through |
| AgentsFunction and tool calling Structured model requests to application-defined tools. | AvailableClaude tool use The Claude API accepts tool schemas and returns structured tool-use requests or server-executed results. | AvailableOpenAI function calling The OpenAI API supports function calling and built-in tools in agentic response loops. | Strong parity Both APIs support structured tool calling for agentic applications. | Checked through |
| CustomizationProject instruction file Repository-scoped instructions discovered from a conventional file. | AvailableCLAUDE.md Claude Code reads persistent repository instructions from CLAUDE.md memory files. | AvailableAGENTS.md Codex discovers repository-scoped custom instructions in AGENTS.md files. | Different approach Both coding agents use conventional repository instruction files with different names and discovery rules. | Checked through |
| CustomizationConfiguration scopes Configuration at user, project, and managed scopes. | AvailableClaude Code settings scopes Claude Code supports user, project, local, and managed settings scopes. | AvailableCodex configuration scopes Codex supports user and project configuration plus managed controls. | Strong parity Both coding agents support layered configuration scopes. | Checked through |
| CustomizationLifecycle hooks Commands or handlers triggered at defined agent lifecycle events. | AvailableClaude Code hooks Claude Code hooks run configured commands at documented agent lifecycle events. | AvailableCodex hooks Codex hooks run configured handlers around documented agent lifecycle events. | Strong parity Both coding agents document lifecycle hooks for automation and policy integration. | Checked through |
| CustomizationCustom agent definitions Reusable named agent configurations with specialized behavior. | AvailableClaude custom subagents Claude Code stores reusable named subagent definitions with specialized prompts and tool access. | AvailableCodex custom subagents Codex supports reusable named subagent definitions with role-specific configuration. | Strong parity Both use named subagent definitions as reusable custom agents. | Checked through |
| SkillsAgent skills Reusable instruction packages that teach an agent a workflow. | AvailableClaude Code skills Claude Code loads reusable Agent Skills containing instructions and supporting resources. | AvailableCodex skills Codex supports reusable skills that package workflow instructions and resources. | Strong parity Both coding agents use reusable skill packages. | Checked through |
| SkillsPlugin packaging A package format combining reusable agent extensions. | AvailableClaude Code plugins Claude Code plugins package commands, agents, skills, hooks, and integrations. | AvailableCodex plugins OpenAI documents plugin packaging for reusable Codex and ChatGPT extensions. | Strong parity Both ecosystems package multiple extension types into plugins. | Checked through |
| SkillsPlugin distribution A documented channel for sharing or publishing extension packages. | AvailableClaude plugin distribution Claude Code plugin documentation includes installing and sharing packaged plugins. | AvailableOpenAI plugin publishing OpenAI documents testing and publishing reusable plugin packages. | Strong parity Both document channels for sharing packaged extensions. | Checked through |
| ConnectorsMCP client First-party support for connecting to Model Context Protocol servers. | AvailableClaude MCP clients Claude products and the Messages API can connect to MCP servers. | AvailableOpenAI MCP clients OpenAI documents MCP connections for its API and Codex surfaces. | Strong parity Both ecosystems implement first-party MCP client support. | Checked through |
| ConnectorsRemote connectors Hosted connections to third-party services and organizational data. | AvailableClaude remote connectors Claude offers a connector directory and remote MCP connections to external services. | AvailableOpenAI remote connectors The OpenAI API supports connectors and remote MCP servers, while ChatGPT plans expose connected services. | Strong parity Both connect to hosted third-party services and remote MCP servers. | Checked through |
| ConnectorsLocal connectors Connections to tools or data running on a user's machine or network. | AvailableClaude local connectors Claude plans document administrative controls for local connectors and desktop extensions. | AvailableCodex local MCP Codex can connect to MCP servers launched locally from command configuration. | Different approach Both reach local tools, centered on desktop connectors and coding-agent MCP configuration respectively. | Checked through |
| MemoryChat memory Persistent personalization or context across conversations. | AvailableClaude memory Claude memory can retain user preferences and context across conversations with user controls. | AvailableChatGPT memory ChatGPT memory uses saved memories and chat history, subject to plan and workspace controls. | Strong parity Both assistants provide optional cross-conversation memory with controls. | Checked through |
| MemoryProject memory Persistent context scoped to a project or workspace. | AvailableClaude project memory Claude documents memory scoped to individual projects. | AvailableChatGPT project memory ChatGPT Projects can use project-only memory that stays within the project's conversations and files. | Strong parity Both provide memory scoped to a project context. | Checked through |
| MemoryCoding auto-memory Coding-agent memory maintained automatically across tasks. | AvailableClaude Code memory Claude Code maintains instruction and memory files used across coding sessions. | AvailableCodex memories Codex documents automatically maintained memories for durable coding context. | Different approach Both persist coding context, using different memory mechanisms and controls. | Checked through |
| MemoryCross-provider import A supported path to import personalization from another assistant. | AvailableImport memory into Claude Anthropic documents importing memory details from another AI tool. | AvailableImport from another agent OpenAI documents an import workflow for bringing context from another agent into ChatGPT. | Strong parity Both document a supported cross-assistant import path. | Checked through |
| FilesFile analysis Understanding and analyzing uploaded or connected files. | AvailableClaude file analysis Claude can analyze files and execute code as documented in current plan features and tools. | AvailableChatGPT file analysis ChatGPT accepts uploaded files for analysis within documented file limits. | Strong parity Both assistants analyze user-provided files. | Checked through |
| FilesDocument generation Creating editable documents or downloadable deliverables. | AvailableClaude file creation Claude plans include creating and editing files with code execution. | AvailableChatGPT Work deliverables ChatGPT Work creates documents, spreadsheets, presentations, and other reviewable deliverables. | Strong parity Both create editable or downloadable knowledge-work deliverables. | Checked through |
| FilesInteractive artifacts Interactive work products rendered beside or within chat. | AvailableClaude Artifacts Claude plans include Artifacts for interactive content created alongside a conversation. | AvailableChatGPT interactive work products OpenAI documents visualizations and interactive file work inside ChatGPT Work. | Different approach Both render work products beyond plain chat, with different product concepts and interaction models. | Checked through |
| FilesSandboxed code execution Executing code in an isolated environment for analysis or generation. | AvailableClaude code execution Anthropic provides a server-executed code tool in a sandboxed container. | AvailableOpenAI code interpreter and sandbox agents OpenAI provides hosted code-execution tools and sandbox-agent runtimes. | Strong parity Both provide vendor-hosted isolated code execution. | Checked through |
| ResearchWeb search Searching current web content from the product or API. | AvailableClaude web search Claude's API web-search tool retrieves current web results and returns source citations. | AvailableOpenAI web search OpenAI provides web search in ChatGPT and as a built-in API tool. | Strong parity Both offer current web search in product and developer workflows. | Checked through |
| ResearchDeep research Multi-step research that synthesizes multiple sources. | AvailableClaude Research Paid Claude plans document Research for multi-step information gathering and synthesis. | AvailableDeep research in ChatGPT ChatGPT deep research conducts multi-step research and produces a cited report. | Strong parity Both assistants provide a dedicated multi-step research workflow. | Checked through |
| ResearchSource citations Answers that expose links or citations for web evidence. | AvailableClaude search citations Claude web-search responses include citations to sources drawn from search results. | AvailableOpenAI research citations OpenAI web search and deep research expose links or citations to supporting sources. | Strong parity Both expose source evidence for web-grounded answers. | Checked through |
| ResearchWeb fetch Retrieving content from a specific URL for model use. | AvailableClaude web fetch Anthropic's web-fetch tool retrieves content from specific web pages and PDFs. | Not documentedOpenAI URL fetch The reviewed official documentation does not document a standalone URL-fetch API tool distinct from web search in the reviewed OpenAI tool catalog. | Vendor-specific Anthropic documents a dedicated web-fetch tool; the reviewed OpenAI tool catalog does not document the same primitive. | Checked through |
| Computer & VoiceComputer use product A first-party product surface that can operate a computer. | AvailableClaude computer-use products Claude offers computer-oriented workflows through Cowork and Claude for Chrome, subject to plan availability. | AvailableChatGPT computer use OpenAI documents computer-use workflows directly in the ChatGPT experience. | Different approach Both can act through a computer, surfaced through different first-party products. | Checked through |
| Computer & VoiceComputer use API A developer tool schema or API for screen, mouse, and keyboard interaction. | LimitedClaude computer-use tool Anthropic publishes a client-executed computer tool schema in beta. | AvailableOpenAI computer-use tool OpenAI provides a computer-use tool for model-guided screenshot, mouse, and keyboard loops. | Partial parity Both expose developer computer-use tools, with Anthropic's cited schema documented as beta. | Checked through |
| Computer & VoiceBrowser control A first-party agent interface for navigating and acting in a browser. | AvailableClaude for Chrome Claude plans document Claude for Chrome as a browser-control product surface. | AvailableChatGPT browser OpenAI documents an in-product browser that ChatGPT can navigate for user-directed work. | Strong parity Both provide first-party browser navigation and action workflows. | Checked through |
| Computer & VoiceVoice mode Real-time spoken interaction in a first-party assistant. | AvailableClaude voice mode Claude plans list voice mode across supported assistant surfaces. | AvailableChatGPT Voice ChatGPT supports spoken conversation through its Voice experience. | Strong parity Both assistants support first-party voice interaction. | Checked through |
| EnvironmentsLocal execution Agent execution against a local checkout or machine. | AvailableClaude Code local execution Claude Code operates from a terminal against files and commands on the user's machine. | AvailableCodex local execution Codex CLI and desktop workflows operate against local checkouts under configured permissions. | Strong parity Both coding agents can execute against a local repository. | Checked through |
| EnvironmentsManaged cloud environments Vendor-managed remote environments for agent work. | LimitedClaude managed environments Anthropic documents Claude Managed Agents as a beta hosted runtime and Claude Code web as remote execution. | AvailableCodex cloud environments Codex cloud runs tasks in OpenAI-managed isolated cloud environments. | Partial parity Both offer managed remote execution, with different product maturity and scope. | Checked through |
| EnvironmentsWorktree isolation Parallel task isolation with Git worktrees or an equivalent mechanism. | Not documentedClaude Code worktree isolation The reviewed official documentation does not document a first-party managed worktree workflow in the reviewed Claude Code documentation. | AvailableCodex worktrees Codex documents Git worktrees for isolating parallel coding tasks. | Vendor-specific OpenAI documents explicit worktree isolation; the reviewed Claude Code overview does not. | Checked through |
| EnvironmentsExecution sandbox Restrictions that limit filesystem, network, or command access. | AvailableClaude Code sandbox Claude Code sandboxing limits filesystem and network access while reducing approval prompts. | AvailableCodex sandbox Codex sandboxing restricts filesystem and network access according to the selected execution profile. | Strong parity Both coding agents combine sandboxing with approval controls. | Checked through |
| AutomationScheduled tasks Tasks that run at a selected time or recurring cadence. | AvailableClaude Cowork scheduled tasks Claude Cowork supports recurring and on-demand scheduled tasks on paid plans. | AvailableCodex automations Codex automations schedule recurring agent tasks and surface their results for review. | Strong parity Both schedule recurring agent work, centered on Cowork and Codex. | Checked through |
| AutomationBackground continuation Work that continues asynchronously after the initiating request. | AvailableCowork background tasks Claude Cowork can continue delegated tasks while the user focuses elsewhere. | AvailableOpenAI background work Codex long-running work and API background mode continue tasks asynchronously. | Strong parity Both continue agent work asynchronously beyond the initiating interaction. | Checked through |
| AutomationEvent-driven automation Agent runs triggered by external events or automation pipelines. | AvailableClaude Code automation Claude Code supports non-interactive CLI execution suitable for CI and scripted event triggers. | AvailableOpenAI event-driven automation OpenAI supports API webhooks and non-interactive Codex execution for event-triggered workflows. | Strong parity Both integrate agent execution into external automation pipelines. | Checked through |
| SecurityPermission modes Named operating modes that govern which actions require approval. | AvailableClaude Code permission modes Claude Code exposes named permission modes, including plan-oriented and approval-controlled operation. | AvailableCodex permission profiles Codex exposes named sandbox and approval profiles that govern agent actions. | Strong parity Both provide named operating modes for approvals and access. | Checked through |
| SecurityFine-grained permission rules Allow and deny rules scoped to tools, commands, or resources. | AvailableClaude Code allow and deny rules Claude Code supports tool-level allow and deny rules in settings and CLI flags. | AvailableCodex permission rules Codex supports configuration rules and profiles controlling tools, commands, network, and filesystem access. | Strong parity Both support fine-grained controls beyond a single global approval switch. | Checked through |
| SecurityFull autonomy mode An explicit mode that minimizes or bypasses approval prompts. | AvailableClaude Code bypass-permissions mode Claude Code exposes an explicitly dangerous option to skip permission prompts. | AvailableCodex full-access profile Codex exposes a full-access execution profile with reduced approval friction and explicit risk controls. | Strong parity Both expose explicit high-autonomy modes with strong safety warnings. | Checked through |
| SecurityEnterprise policy Administrator-enforced controls over agent behavior and configuration. | AvailableClaude managed settings Claude Code supports managed organization settings, and Claude Enterprise adds role-based and connector controls. | AvailableOpenAI managed controls OpenAI organization offerings provide managed configuration, roles, and feature access controls. | Strong parity Both allow administrators to enforce organizational policy. | Checked through |
| API & SDKCore model API A first-party API for model requests and responses. | AvailableClaude Messages API Anthropic provides the Claude API for model messages, tools, and agent workflows. | AvailableOpenAI Responses API OpenAI provides the Responses API for current model and tool workflows. | Strong parity Both vendors provide first-party model APIs for production applications. | Checked through |
| API & SDKAgent SDK A first-party SDK for building and running agents. | AvailableClaude agent tooling Anthropic documents managed-agent tooling and SDK-assisted agent sessions. | AvailableOpenAI Agents SDK OpenAI provides an Agents SDK for agent definitions, execution, orchestration, guardrails, and state. | Different approach Both provide agent-building libraries or managed tooling, with different runtime abstractions. | Checked through |
| API & SDKBuilt-in API tools Vendor-hosted tools enabled directly in model API requests. | AvailableAnthropic server tools The Claude API hosts web search, web fetch, code execution, and tool search. | AvailableOpenAI built-in tools The Responses API provides built-in web, file, computer, shell, code, image, and MCP tools. | Strong parity Both APIs expose vendor-hosted tools directly in model requests. | Checked through |
| API & SDKAPI MCP MCP connectivity available inside the model or agent API. | LimitedClaude API MCP connector The Claude API exposes an MCP connector documented as a beta server tool. | AvailableOpenAI API MCP The OpenAI API connects to remote MCP servers and first-party connectors as built-in tools. | Partial parity Both APIs connect to MCP servers, with different documented maturity. | Checked through |
| EnterpriseTeam and enterprise plans Managed multi-user offerings for organizations. | AvailableClaude Team and Enterprise Anthropic publishes managed Team and Enterprise plans for organizations. | AvailableChatGPT Business and Enterprise OpenAI publishes Business and Enterprise offerings for managed workspaces. | Strong parity Both offer self-serve business and managed enterprise plans. | Checked through |
| EnterpriseSSO and SCIM Enterprise identity and automated user provisioning controls. | AvailableClaude SSO and SCIM Claude organization plans document SSO, while Enterprise adds SCIM provisioning. | AvailableOpenAI SSO and SCIM ChatGPT organization plans document SAML SSO, and Enterprise provides managed identity provisioning. | Strong parity Both support enterprise identity and provisioning controls. | Checked through |
| EnterpriseAudit logs Organization-level records of administrative or user activity. | AvailableClaude audit logs Claude Enterprise includes audit logs and a Compliance API for monitoring. | AvailableOpenAI audit and compliance controls OpenAI documents Compliance API audit events for managed enterprise workspaces. | Strong parity Both enterprise offerings document organization audit capabilities. | Checked through |
| EnterpriseData-retention controls Configurable policies governing how long organization data is retained. | AvailableClaude retention controls Claude Enterprise includes custom data-retention controls. | AvailableOpenAI retention controls OpenAI documents enterprise data controls and configurable retention for managed customers. | Strong parity Both enterprise offerings provide retention-related governance controls. | Checked through |
| PricingConsumer plans Free and paid plans intended for individual users. | AvailableClaude individual plans Anthropic publishes Free, Pro, and Max plans for individual users. | AvailableChatGPT individual plans OpenAI publishes Free, Go, Plus, and Pro plans for individual users. | Strong parity Both publish free and paid individual plans with usage qualifications. | Checked through |
| PricingBusiness plans Self-serve multi-user plans for teams or businesses. | AvailableClaude Team Claude Team is a self-serve plan for teams of 2 to 150 with standard and premium seats. | AvailableChatGPT Business ChatGPT Business is a managed self-serve workspace available from two users. | Strong parity Both publish self-serve multi-user business plans. | Checked through |
| PricingEnterprise pricing Published enterprise pricing or a documented sales-led quote path. | AvailableClaude Enterprise pricing Anthropic publishes a base seat price plus API-rate usage for Claude Enterprise, with qualified billing terms. | AvailableChatGPT Enterprise sales pricing OpenAI directs ChatGPT Enterprise buyers to contact sales and does not publish a universal contract price. | Different approach Anthropic publishes a qualified base structure; OpenAI documents a sales-led quote path. | Checked through |
| PricingAPI token pricing Published model input and output token prices. | AvailableClaude API token pricing Anthropic publishes per-million input, cache, and output token rates for current Claude models. | AvailableOpenAI API token pricing OpenAI publishes per-million input, cached-input, and output token rates for current models. | Strong parity Both publish model-specific token pricing with separate input and output rates. | Checked through |
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