Model comparison
o3 Pro vs GPT-5
Capability radar, value bars, and side-by-side posture.
o3 Pro
Not scored
value score
GPT-5
94
value score
o3 Pro ctx
200K
GPT-5 ctx
400K
Capability radar
Value · context · multimodal · openness · speed posture
Value head-to-head
- GPT-594
Attribute tape
| Field | o3 Pro | GPT-5 |
|---|---|---|
| Developer | OpenAI | OpenAI |
| Context | 200K | 400K |
| Modalities | Text, Code, Image, Audio | |
| Openness | Closed | Proprietary Model |
| Speed | — | Fast |
| Price | $10/1M in · $40/1M out | Mid-High |
| Value score | — | 94 |
| Summary | o3 Pro is OpenAI's high-reliability reasoning model, a compute-intensive variant of o3 that spends more time 'thinking' to deliver more accurate and consistent answers on difficult tasks. It is available via ChatGPT Pro and the OpenAI API with support for web search, file analysis, visual reasoning, Python execution, and memory. | OpenAI frontier multimodal model. |