o3
OpenAI released 2025-04-16
$3.50 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 | $2.00/M |
|---|---|
| Output | $8.00/M |
| Cached input | $0.500/M |
| Web search | $0.01/call |
Independent scores
No independent benchmark has measured this model.
Capability
| Context window | 200K |
|---|---|
| Max output | 100K |
| Input modes | image, text, file |
| Tool use | yes |
| Reasoning | optional |
| Knowledge cutoff | 2024-06-30 |
Provenance
| Price source | openrouter.ai |
|---|---|
| Fetched | 2026-08-24 |
| Quality data | unrated |
o3 is a well-rounded and powerful model across domains. It sets a new standard for math, science, coding, and visual reasoning tasks. It also excels at technical writing and instruction-following....