o3
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Deliberate o-series reasoner for hard math, coding, and multi-step analysis
ReasoningTool CallingAttachmentsStructured Output
Context Window
200K
Max Output
100K
Temperature
No
Open Weights
No
Knowledge Cutoff
2024-05
Released
2025-04-16
Last Updated
2025-04-16
Modalities
Input:TextImagePDF
→Output:Text
Benchmarks
| Benchmark | Score | Metric |
|---|---|---|
| Aider Polyglot | 81.3 | percent correct |
Available Providers (10)
| Provider | Input /1M | Output /1M | Cache Read /1M | Cache Write /1M | Reasoning | Status |
|---|---|---|---|---|---|---|
 Vercel AI Gateway | Rp 35.381 | Rp 141.521 | Rp 8.846 | — | effort | — |
 AnyAPI | — | — | — | — | effort | — |
 GitHub Models | Gratis | Gratis | — | — | ✓ | — |
 Merge Gateway | Rp 35.381 | Rp 141.521 | Rp 8.846 | — | effort | — |
 NEAR AI Cloud | Rp 35.381 | Rp 141.521 | Rp 8.846 | — | effort | — |
 Cloudflare AI Gateway | Rp 35.381 | Rp 141.521 | Rp 8.846 | — | effort | — |
 Poe | Rp 31.843 | Rp 127.369 | Rp 7.961 | — | effort | — |
 Kilo Gateway | Rp 35.381 | Rp 141.521 | Rp 8.846 | — | effort | — |
 OpenRouter | Rp 35.381 | Rp 141.521 | Rp 8.846 | — | effort | — |
 NanoGPT | Rp 35.381 | Rp 141.521 | — | — | — | — |