Claude Sonnet 4.5 vs GPT-5 mini
GPT-5 mini costs 89% less at typical usage ($0.69 vs $6.00 per 1M tokens). Claude Sonnet 4.5 scores higher on 11 of 11 tasks.
| Spec | Claude Sonnet 4.5 | GPT-5 mini |
|---|---|---|
| Input /1M | $3.00 | $0.25 |
| Output /1M | $15.0 | $2.00 |
| Typical /1M | $6.00 | $0.69 |
| Context window | 200k | 400k |
| Speed | Brisk | Fast |
| Privacy | Strong | Standard |
| Open weights | No | No |
Claude Sonnet 4.5
Steady since we started tracking (Jul 13, 2026)
GPT-5 mini
Steady since we started tracking (Jul 13, 2026)
Quality by task
Coding95/85
Agents95/83
Reasoning93/86
Writing93/85
Chat91/88
Classify88/85
Extract90/85
Summarize92/86
Translate88/86
Vision90/87
General93/85
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Prices are list $/1M tokens, hand-maintained from public provider pricing. Task scores are benchmark-informed 0-100 estimates, not gospel — validate on your own evals before moving production traffic. Not affiliated with any model provider.