o3 Mini is cheaper than Claude Sonnet 3.6 (2022-10-22) at $1.1/M vs $3/M input tokens.
| Spec | Claude Sonnet 3.6 (2022-10-22) | o3 Mini |
|---|---|---|
| Input price | $3/M tokens | $1.1/M tokens |
| Output price | $15/M tokens | $4.4/M tokens |
| Context window | 200K tokens | 64K tokens |
| Parameters | Not disclosed | Not disclosed |
| Weights | — | Closed |
| Free API (OpenRouter) | No | No |
| Released | Jun 2024 | Dec 2024 |
| MMLU | 88.3% | 85.9% |
Not enough votes to call it. On the specs, Claude Sonnet 3.6 (2022-10-22) has the edge: bigger model tier, bigger context window.
Claude Sonnet 3.6 (2022-10-22) wins Web Design and Image Generation. o3 Mini costs 3.4x less per token.
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o3 Mini is cheaper on both: 2.7× input, 3.4× output.
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 13 Sep 2026.
o3 Mini uses 10.2x more bold