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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
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overview changedmodels/opus-4-5/overview

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77**Legacy.** Released November 24, 2025.
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9Although Claude Opus 4.5 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 4.5 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-45)
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1111Model ID: `claude-opus-4-5-20251101`
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4646 
4747### Pricing
4848 
49| Feature | Value |
50| :------------------------------------------------------------------------------------- | :------------------------------------------------------------------ |
51| Input | $5 / MTok |
52| Output | $25 / MTok |
53| [5m cache write](https://platform.claude.com/docs/en/build-with-claude/prompt-caching) | $6.25 / MTok |
54| [1h cache write](https://platform.claude.com/docs/en/build-with-claude/prompt-caching) | $10 / MTok |
55| [Cache read](https://platform.claude.com/docs/en/build-with-claude/prompt-caching) | $0.50 / MTok |
56| [Batch API](https://platform.claude.com/docs/en/build-with-claude/batch-processing) | 50% discount on input and output |
57| Full price list | [Pricing](https://platform.claude.com/docs/en/about-claude/pricing) |
49| Feature | Value |
50| :------------------------------------------------------------------------------------- | :------------------------------- |
51| Input | $5 / MTok |
52| Output | $25 / MTok |
53| [5m cache write](https://platform.claude.com/docs/en/build-with-claude/prompt-caching) | $6.25 / MTok |
54| [1h cache write](https://platform.claude.com/docs/en/build-with-claude/prompt-caching) | $10 / MTok |
55| [Cache read](https://platform.claude.com/docs/en/build-with-claude/prompt-caching) | $0.50 / MTok |
56| [Batch API](https://platform.claude.com/docs/en/build-with-claude/batch-processing) | 50% discount on input and output |
5857 
58[Full price list](https://platform.claude.com/docs/en/about-claude/pricing)
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5960### Capabilities
6061 
6162| Feature | Value |
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8081## Resources
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8283<CardGroup cols={3}>
83 <Card title="Migrate to Claude Opus 5.5" icon="arrows-left-right" href="https://platform.claude.com/docs/en/models/opus-5-5/migration-guide#migrating-from-claude-opus-47">
84 What changes when moving from Claude Opus 4.7 and earlier Opus models to Claude Opus 5.5.
84 <Card title="Migrate to Claude Opus 5.5" icon="arrows-left-right" href="https://platform.claude.com/docs/en/models/opus-5-5/migration-guide#migrating-from-claude-opus-45">
85 What changes when moving from Claude Opus 4.5 to Claude Opus 5.5.
8586 </Card>
8687 
8788 <Card title="Claude Opus 5.5" icon="arrow-right" href="https://platform.claude.com/docs/en/models/opus-5-5/overview">
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