o3 Mini
OpenAI released 2025-01-31
$1.93 per million tokens, balanced
No independent quality score.
No benchmark we track has measured this model. That is not the same as measuring it and finding it wanting — we simply cannot rank it, so we do not.
Every price dimension
| Input | $1.10/M |
|---|---|
| Output | $4.40/M |
| Cached input | $0.550/M |
| Web search | $0.01/call |
Independent scores
| LMArena Elo | 1336.6high |
|---|
Sources are listed separately rather than averaged. Across the 62 models both have scored they correlate at r = 0.806 — close agreement overall, but four models rank very differently between them, and a blended score would hide exactly those.
Capability
| Context window | 200K |
|---|---|
| Max output | 100K |
| Input modes | text, file |
| Tool use | yes |
| Reasoning | optional |
| Knowledge cutoff | 2023-10-31 |
Provenance
| Price source | openrouter.ai |
|---|---|
| Fetched | 2026-08-24 |
| Quality data | unrated |
OpenAI o3-mini is a cost-efficient language model optimized for STEM reasoning tasks, particularly excelling in science, mathematics, and coding. This model supports the `reasoning_effort` parameter, which can be set to...