Is Claude Opus 4.1 out yet?
Yes.
About Claude Opus 4.1
An incremental Opus 4 upgrade with stronger coding and agentic reasoning.
How we confirmed it
Released via official access
August 5, 2025 at 12:00 AM UTC
Release timeline
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Benchmarks
Reasoning#46
Claude 4.1 Opus · via BenchLM.ai · captured Jul 17, 2026 · source
52.5
Math#45
Claude 4.1 Opus Thinking · via BenchLM.ai · captured Jul 3, 2026 · source
52.9
MultimodalGrounded#38
Claude 4.1 Opus Thinking · via BenchLM.ai · captured Jul 17, 2026 · source
65.2
Multilingual#40
Claude 4.1 Opus · via BenchLM.ai · captured Jul 17, 2026 · source
64.4
InstructionFollowing#46
Claude 4.1 Opus Thinking · via BenchLM.ai · captured Jul 17, 2026 · source
74.6
Humanity's Last Exam
claude-opus-4-1-20250805 · via Epoch AI · captured Aug 15, 2026 · source
7.9
LM Arena#68
claude-opus-4-1-20250805 · via LM Arena · 77,800 votes · captured Aug 15, 2026 · source
1447.191393397333
Coding#45
Claude 4.1 Opus · via BenchLM.ai · captured Jul 14, 2026 · source
58
Knowledge#48
Claude 4.1 Opus · via BenchLM.ai · captured Jul 14, 2026 · source
48.5
Sourced metrics mirrored with attribution - not community sentiment.
Data from BenchLM.ai.
Data from Epoch AI, “AI Benchmarking Hub” (CC BY 4.0).
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Model Pulse
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Community consensus
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Compare Claude Opus 4.1 with another model →
Also waiting on: Gemini 3.5 Pro, Claude Fable 5.1, Claude Mythos 5.1, GLM-6
Comments
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