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Sweep 25 Sep 2026 · 19:33Z Build v2.1.283 504 read Stable v2.1.274 Latest v2.1.283 Next v2.1.283 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeDocsClaude Developer Platform 23 Sep 2026
One change · api

overview changedmodels/opus-4-8/overview

Nearest release: v2.1.281, published an hour before this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

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First seen 24 Aug 2026 this site's first read of the page
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77**Legacy.** Released May 28, 2026.
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9Although Claude Opus 4.8 is still available, you should consider migrating to Claude Opus 5.5 for improved performance. [See Claude Opus 5.5](https://platform.claude.com/docs/en/models/opus-5-5/overview) · [Migrate to Claude Opus 5.5](https://platform.claude.com/docs/en/models/opus-5-5/migration-guide)
9Although Claude Opus 4.8 is still available, you should consider migrating to Claude Opus 5.5 for improved performance. [See Claude Opus 5.5](https://platform.claude.com/docs/en/models/opus-5-5/overview) · [Migrate to Claude Opus 5.5](https://platform.claude.com/docs/en/models/opus-5-5/migration-guide#migrating-from-claude-opus-4-8)
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1111Model ID: `claude-opus-4-8`
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4444### Pricing
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46| Feature | Value |
47| :------------------------------------------------------------------------------------- | :------------------------------------------------------------------ |
48| Input | $5 / MTok |
49| Output | $25 / MTok |
50| [5m cache write](https://platform.claude.com/docs/en/build-with-claude/prompt-caching) | $6.25 / MTok |
51| [1h cache write](https://platform.claude.com/docs/en/build-with-claude/prompt-caching) | $10 / MTok |
52| [Cache read](https://platform.claude.com/docs/en/build-with-claude/prompt-caching) | $0.50 / MTok |
53| [Batch API](https://platform.claude.com/docs/en/build-with-claude/batch-processing) | 50% discount on input and output |
54| Full price list | [Pricing](https://platform.claude.com/docs/en/about-claude/pricing) |
46| Feature | Value |
47| :------------------------------------------------------------------------------------- | :------------------------------- |
48| Input | $5 / MTok |
49| Output | $25 / MTok |
50| [5m cache write](https://platform.claude.com/docs/en/build-with-claude/prompt-caching) | $6.25 / MTok |
51| [1h cache write](https://platform.claude.com/docs/en/build-with-claude/prompt-caching) | $10 / MTok |
52| [Cache read](https://platform.claude.com/docs/en/build-with-claude/prompt-caching) | $0.50 / MTok |
53| [Batch API](https://platform.claude.com/docs/en/build-with-claude/batch-processing) | 50% discount on input and output |
54 
55[Full price list](https://platform.claude.com/docs/en/about-claude/pricing)
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5657### Capabilities
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