Claude Opus 4.5
Anthropic · Released 24 Nov 2025 · claude-opus-4-5-20251101
$5.00
Input price / 1M tokens
#52 of 61, cheapest first
$25.00
Output price / 1M tokens
#52 of 61, cheapest first
200K
Context window
#62 of 71
46
Output tokens / second
#54 of 61
Summary
Claude Opus 4.5 is a proprietary model from Anthropic, released on 24 Nov 2025.
At $5.00 input and $25.00 output per million tokens, it is #52 of 61 on input price, cheapest first.
Its 200K-token context window ranks #62 of 71.
Measured output speed is 46 tokens per second, #54 of 61.
Legacy Opus model; at launch Anthropic called it the best model in the world for coding, agents and computer use.
Benchmarks · 0 reported
No benchmark score we could source for this model. We show scores only with a source link.
Sources
- price, cache prices, batch: platform.claude.com/docs/en/about-claude/pricing, checked 2 Oct 2026
- context, max output, release, api id and alias, knowledge cutoff, modalities, legacy status: platform.claude.com/docs/en/models/opus-4-5/overview, checked 2 Oct 2026
- status, retirement commitment (not sooner than 2026-11-24): platform.claude.com/docs/en/about-claude/model-deprecations, checked 2 Oct 2026
- minimum cacheable prompt length: platform.claude.com/docs/en/build-with-claude/prompt-caching, checked 2 Oct 2026
- positioning: anthropic.com/news/claude-opus-4-5, checked 2 Oct 2026
- output speed: artificialanalysis.ai/models/claude-opus-4-5, checked 2 Oct 2026
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