Claude Opus 5
Anthropic🇺🇸 United States
Context window1000K tokens
Input / 1M tokens$5
Output / 1M tokens$25
Pricing and context window via OpenRouter, 2026-10-23.
Version History
Opus 5major
Claude Opus 5 succeeds Opus 4.8 as Anthropic's flagship model, with the company claiming performance comparable to rival Fable 5 at roughly half the cost. Anthropic says it leads on coding and business-workflow benchmarks while requiring about 85% less intervention than Fable 5.