Is Claude Opus 4.5 out yet?
Yes.
About Claude Opus 4.5
A major Opus refresh centered on agentic coding, tool use, and reliability.
How we confirmed it
Released via official access
November 24, 2025 at 12:00 AM UTC
Release timeline
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Benchmarks
Coding#24
Claude Opus 4.5 · via BenchLM.ai · captured Aug 15, 2026 · source
61.91
Agentic#26
Claude Opus 4.5 · via BenchLM.ai · captured Jul 17, 2026 · source
55.56
Reasoning#23
Claude Opus 4.5 · via BenchLM.ai · captured Jul 17, 2026 · source
67.4
Knowledge#41
Claude Opus 4.5 · via BenchLM.ai · captured Aug 15, 2026 · source
60.7
Math#6
Claude Opus 4.5 · via BenchLM.ai · captured Aug 15, 2026 · source
58.3
MultimodalGrounded#29
Claude Opus 4.5 · via BenchLM.ai · captured Aug 15, 2026 · source
28.9
Multilingual#2
Claude Opus 4.5 · via BenchLM.ai · captured Aug 15, 2026 · source
82.9
Humanity's Last Exam
claude-opus-4-5-20251101 · via Epoch AI · captured Aug 15, 2026 · source
14.2
LM Arena#35
claude-opus-4-5-20251101 · via LM Arena · 71,031 votes · captured Aug 15, 2026 · source
1469.0584808171195
InstructionFollowing#31
Claude Opus 4.5 · via BenchLM.ai · captured Aug 15, 2026 · source
49.4
Sourced metrics mirrored with attribution - not community sentiment.
Data from BenchLM.ai.
Data from Epoch AI, “AI Benchmarking Hub” (CC BY 4.0).
Vibe rating
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Model Pulse
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Community consensus
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Compare Claude Opus 4.5 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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