Model comparison
o3-mini vs GPT-5
Capability radar, value bars, and side-by-side posture.
o3-mini
Not scored
value score
GPT-5
94
value score
o3-mini ctx
—
GPT-5 ctx
400K
Capability radar
Value · context · multimodal · openness · speed posture
Value head-to-head
- GPT-594
Attribute tape
| Field | o3-mini | GPT-5 |
|---|---|---|
| Developer | OpenAI | OpenAI |
| Context | — | 400K |
| Modalities | Text, Code, Image, Audio | |
| Openness | — | Proprietary Model |
| Speed | — | Fast |
| Price | — | Mid-High |
| Value score | — | 94 |
| Summary | o3-mini is OpenAI's compact reasoning model optimized for science, math, and coding tasks. It delivers fast, cost-efficient 'chain-of-thought' reasoning with three selectable effort levels, positioned as a small-model alternative to the full o3. | OpenAI frontier multimodal model. |