Is o4-mini out yet?
Yes.
About o4-mini
A small, high-throughput reasoning model.
How we confirmed it
Released via official access
April 16, 2025 at 12:00 AM UTC
Release timeline
Waiting for OpenAI's next model?
One click creates your free account (or signs you into an existing one) and turns on alerts for OpenAI releases. There's no password to set, and you can unsubscribe any time.
Benchmarks
Knowledge#45
o4-mini (high) · via BenchLM.ai · captured Jul 14, 2026 · source
54.2
Math#44
o4-mini (high) · via BenchLM.ai · captured Jul 3, 2026 · source
54.3
Multilingual#38
o4-mini (high) · via BenchLM.ai · captured Jul 17, 2026 · source
67.2
Humanity's Last Exam
o4-mini (medium) (April 2025) · via Epoch AI · captured Aug 10, 2026 · source
14.3
LM Arena#149
o4-mini-2025-04-16 · via LM Arena · 45,383 votes · captured Aug 10, 2026 · source
1390.0313551525246
Agentic#48
o4-mini (high) · via BenchLM.ai · captured Jul 14, 2026 · source
44.3
Reasoning#40
o4-mini (high) · via BenchLM.ai · captured Jul 14, 2026 · source
46.8
InstructionFollowing#50
o4-mini (high) · via BenchLM.ai · captured Jul 14, 2026 · source
62.4
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
How this model actually feels to use, rated by the people here.
No vibe ratings yet. Be the first.
Sign in to rate this model.
Model Pulse
How is this model behaving today? One check-in per person per day: the running record of “did they nerf it”. Resets at midnight UTC.
No check-ins yet today. Be the first to log how this model is behaving.
Community consensus
An AI summary of the public comments here. Not a sourced fact.
Not enough public feedback yet to summarize. Add a comment to help build the picture.
Compare o4-mini with another model →
Also waiting on: Gemini 3.5 Pro, Claude Fable 5.1, Claude Mythos 5.1, GLM-6
Comments
Missing a model, or wishing OutYet did something it doesn't? Tell us what to build.