Mistral Nemo is cheaper than OpenAI o3 at $0.03/M vs $10/M input tokens.
| Spec | Mistral Nemo | OpenAI o3 |
|---|---|---|
| Input price | $0.03/M tokens | $10/M tokens |
| Output price | $0.07/M tokens | $40/M tokens |
| Context window | 128K tokens | — |
| Parameters | 12B | Not disclosed |
| Weights | Open | Closed |
| Free API (OpenRouter) | No | No |
| Released | Jul 2024 | Apr 2025 |
Not enough votes to call it. On the specs, OpenAI o3 has the edge: bigger model tier, newer, major provider backing.
Mistral Nemo costs 571x less per token.
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Mistral Nemo is cheaper on both: 333× input, 571× output.
Per million tokens. Prices and uptime via OpenRouter, checked 13 Sep 2026.
OpenAI o3 uses 31.9x more headings