Claude Opus 5

Anthropic🇺🇸 United States
active
Context window1000K tokens
Input / 1M tokens$5
Output / 1M tokens$25

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.

Benchmark Scores

Full leaderboard →
93.2%
GPQA
62.2%
Hallucination Rate
48.0 tokens_per_sec
Speed (tok/s)

Coverage