Anthropic Skills vs OpenAI GPTs: which custom AI capability surface wins in 2026?
Claude Skills are Anthropic-native packaged capabilities with first-class scripting. OpenAI GPTs are shareable assistants distributed via the GPT Store. Pick Skills for Claude-native workflows, GPTs for public distribution.
At a glance
| Dimension | Claude Skills | OpenAI GPTs |
|---|---|---|
| Distribution | Claude-internal | Public GPT Store + privateWIN |
| Code execution / scripting | First class — Claude runs scripts | Code Interpreter |
| External actions / APIs | Via MCP tools | GPT Actions (REST APIs)WIN |
| File / knowledge upload | First class | Knowledge files |
| Custom instructions | Per-skill | Per-GPT |
| Monetisation | Internal-only | GPT Store revenue shareWIN |
| Underlying model | Claude 4.6 Sonnet | GPT-4o / GPT-5 |
| Best for | Claude-internal workflows | Public distribution + GPT-native stacks |
Verdict
Claude Skills are the right pick when you build Claude-internal team capabilities — first-class script execution, MCP tool composition, lightweight authoring. OpenAI GPTs are the right pick when you want public distribution via the GPT Store, GPT Actions (REST API integration), or monetisation. They serve different audiences and many teams have both — Skills for internal workflows, GPTs for shareable assistants.
When to pick which
Pick Claude Skills
Claude-internal team workflows, scripting-heavy capabilities, MCP composition.
Pick OpenAI GPTs
Public distribution, GPT Actions, monetisation via GPT Store.
FAQ
Skills or GPTs in 2026?
Skills for Claude-internal; GPTs for public distribution and GPT-native stacks.
Can I distribute a Claude Skill publicly?
Skills are not public-distributable like GPTs in 2026 — they live within Claude workspaces.
Best for tool use?
Both — Skills via MCP, GPTs via Actions. Pick by which model family you trust for your task.
Last updated: 2026-06-01.