GPT-4o mini is cheaper than Claude 3.7 Sonnet at $0.15/M vs $3/M input tokens.
| Spec | Claude 3.7 Sonnet | GPT-4o mini |
|---|---|---|
| Input price | $3/M tokens | $0.15/M tokens |
| Output price | $15/M tokens | $0.6/M tokens |
| Context window | 200K tokens | 128K tokens |
| Parameters | Not disclosed | Not disclosed |
| Weights | — | Closed |
| Free API (OpenRouter) | No | No |
| Released | Feb 2025 | Jul 2024 |
| MMLU | 80.3% | 82% |
Not enough votes to call it. On the specs, Claude 3.7 Sonnet has the edge: bigger model tier, newer, bigger context window.
GPT-4o mini costs 25x less per token.
GPT-4o mini is cheaper on both: 20× input, 25× output.
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.
GPT-4o mini uses 1.9x more bold