Claude Opus 5 (Fast)
anthropic/claude-opus-5-fast
Context: 1,000,000In: $10.00/1MOut: $50.00/1M
Fast-mode variant of [Opus 5](/anthropic/claude-opus-5) - identical capabilities with higher output speed at 2x pricing relative to regular Opus 5. Learn more in Anthropic's docs: https://platform.claude.com/docs/en/build-with-claude/fast-mode
Intelligence
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Coding
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Agentic
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Metric profile
Trend over time
No history yet — first sync only. Trends appear over time.
Classic evals (curated from model cards)
Anthropic Claude (Opus) — manually maintained, may lag releases
MMLU-Pro
77.5%
GPQA Diamond
78.6%
HumanEval
95%
MATH-500
96.8%
AIME 2025
32%