Is o3 out yet?
Yes.
About o3
OpenAI's frontier reasoning model with tool use.
How we confirmed it
Released via official access
April 16, 2025 at 12:00 AM UTC
Release timeline
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Benchmarks
Coding#40
o3 · via BenchLM.ai · captured Jul 14, 2026 · source
63.6
Agentic#31
o3 · via BenchLM.ai · captured Jul 14, 2026 · source
60.2
Reasoning#42
o3 · via BenchLM.ai · captured Jul 17, 2026 · source
54.2
Knowledge#43
o3 · via BenchLM.ai · captured Jul 17, 2026 · source
62.5
Math#19
o3 · via BenchLM.ai · captured Jul 3, 2026 · source
83.4
MultimodalGrounded#42
o3-pro · via BenchLM.ai · captured Jul 17, 2026 · source
64.3
Multilingual#41
o3-pro · via BenchLM.ai · captured Jul 17, 2026 · source
64.4
Humanity's Last Exam
o3 (medium) (April 2025) · via Epoch AI · captured Sep 24, 2026 · source
19.2
LM Arena#99
o3-2025-04-16 · via LM Arena · 58,579 votes · captured Sep 24, 2026 · source
1431.551504877396
InstructionFollowing#34
o3 · via BenchLM.ai · captured Sep 24, 2026 · source
86
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 o3 with another model →
Also waiting on: Claude Fable 5.1, Gemini 3.5 Pro, Claude Mythos 5.1, GPT-6
Comments
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