OpenAI
Cost-efficient reasoning model with adjustable reasoning effort. Optimised for STEM and coding tasks at a fraction of o3's inference cost.
58.2
Quality Score
1318
Arena ELO
Undisclosed
Parameters
200K
Context
Use this section to answer one simple question first: how much outside evidence do we have that this model performs well? Structured benchmark scores appear first, then official provider evidence, then live arena signal.
This model has normalized benchmark rows, so scores here are directly comparable across benchmark sources.
Sign in to join the discussion
0
Downloads
0
Likes
Jan 2025
Released
These are recent benchmark or leaderboard claims from official provider sources. They are useful for freshness and context, but they are not treated the same as normalized independent benchmark rows.
o3-mini Benchmark Update
Quality: 25.9/100 | Price: $1.925/M tokens | Output: 148.26 tok/s | MMLU: 0.791% | HumanEval: 0.717%
View sourceo3-mini-2025-01-31 - Arena-Hard-Auto
Arena-Hard-Auto official Gemini-2.5 judged score 50.0 with CI 0/0
View sourceo3-mini - SWE-Bench Verified
SWE-Bench Verified resolved rate 42.4
View sourceO3-Mini-2025-01-31 (Low) - LiveCodeBench
LiveCodeBench pass@1 70.6 across 1055 tasks
View sourceo3-mini Benchmark Update
Quality: 25.9/100 | Price: $1.925/M tokens | Output: 146.783 tok/s | MMLU: 0.791% | HumanEval: 0.717%
View sourceo3-mini Benchmark Update
Quality: 25.9/100 | Price: $1.925/M tokens | Output: 168.798 tok/s | MMLU: 0.791% | HumanEval: 0.717%
View source1318
ELO Score
1315 - 1322
95% Confidence
+/-4 points
38.9K
Battles
May 21, 2026
Last Updated