Is Claude Opus 4 out yet?
Yes.
About Claude Opus 4
The flagship of the Claude 4 family, focused on coding and long agentic tasks.
How we confirmed it
Released via official access
May 22, 2025 at 12:00 AM UTC
Release timeline
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Benchmarks
Humanity's Last Exam
Claude Opus 4 · via Epoch AI · captured Aug 10, 2026 · source
6.7
LM Arena#121
claude-opus-4-20250514 · via LM Arena · 44,134 votes · captured Aug 10, 2026 · source
1412.644468108555
Sourced metrics mirrored with attribution - not community sentiment.
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 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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