Is o1 out yet?
Yes.
About o1
OpenAI's first dedicated reasoning model with long chain-of-thought.
How we confirmed it
Released via official access
December 5, 2024 at 12:00 AM UTC
Release timeline
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Benchmarks
InstructionFollowing#49
o1 · via BenchLM.ai · captured Nov 8, 2026 · source
86
Humanity's Last Exam
o1 Pro · via Epoch AI · captured Nov 8, 2026 · source
8.1
LM Arena#160
o1 (2024-12-17) · via LM Arena · 27,807 votes · captured Oct 26, 2026 · source
1402.2739743374746
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 o1 with another model →
Also waiting on: Gemini 3.5 Pro, GLM-6, Grok 5, Amazon Nova 2 Pro
Comments
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