whats-new-sonnet-5 changedabout-claude/models/whats-new-sonnet-5
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1212| --------------- | ----------------- | ---------------------------------------------- |
1313| Claude Sonnet 5 | `claude-sonnet-5` | The best combination of speed and intelligence |
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15Claude Sonnet 5 supports the [1M token context window](https://platform.claude.com/docs/en/build-with-claude/context-windows) by default (1M tokens is both the default and the maximum; there is no smaller context variant), 128k max output tokens, [adaptive thinking](https://platform.claude.com/docs/en/build-with-claude/thinking), and the same set of tools and platform features as Claude Sonnet 4.6, except [Priority Tier](https://platform.claude.com/docs/en/api/service-tiers#supported-models), which is not available on Claude Sonnet 5. On the Claude API, Claude Sonnet 5 also supports the [browser use tool](https://platform.claude.com/docs/en/agents-and-tools/tool-use/browser-use-tool) and the generally available `computer_toolset_20260801` version of the [computer use tool](https://platform.claude.com/docs/en/agents-and-tools/tool-use/computer-use-tool), neither of which Claude Sonnet 4.6 supports; the earlier `computer_20251124` version is still accepted on both models. To upgrade an existing integration, see [Migrate from `computer_20251124`](https://platform.claude.com/docs/en/agents-and-tools/tool-use/computer-use-tool#migrate-from-computer-20251124).
15Claude Sonnet 5 supports the [1M token context window](https://platform.claude.com/docs/en/build-with-claude/context-windows) by default (1M tokens is both the default and the maximum; there is no smaller context variant), 128k max output tokens, [adaptive thinking](https://platform.claude.com/docs/en/build-with-claude/thinking), and the same set of tools and platform features as Claude Sonnet 4.6, except [Priority Tier](https://platform.claude.com/docs/en/api/service-tiers#supported-models), which is not available on Claude Sonnet 5. On the Claude API, Claude Sonnet 5 also supports the [browser use tool](https://platform.claude.com/docs/en/agents-and-tools/tool-use/browser-use-tool) and the stable `computer_toolset_20260801` version of the [computer use tool](https://platform.claude.com/docs/en/agents-and-tools/tool-use/computer-use-tool), neither of which Claude Sonnet 4.6 supports; the earlier `computer_20251124` version is still accepted on both models. To upgrade an existing integration, see [Migrate from `computer_20251124`](https://platform.claude.com/docs/en/agents-and-tools/tool-use/computer-use-tool#migrate-from-computer-20251124).
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1717For complete pricing and specs, see the [models overview](https://platform.claude.com/docs/en/about-claude/models/overview).
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