GPT-5 nano vs Kimi K2
GPT-5 nano costs 87% less at typical usage ($0.14 vs $1.07 per 1M tokens). Kimi K2 scores higher on 10 of 11 tasks.
| Spec | GPT-5 nano | Kimi K2 |
|---|---|---|
| Input /1M | $0.05 | $0.60 |
| Output /1M | $0.40 | $2.50 |
| Typical /1M | $0.14 | $1.07 |
| Context window | 400k | 256k |
| Speed | Blazing | Brisk |
| Privacy | Standard | Self-host |
| Open weights | No | Yes |
GPT-5 nano
Steady since we started tracking (Jul 13, 2026)
Kimi K2
Steady since we started tracking (Jul 13, 2026)
Quality by task
Coding72/87
Agents68/90
Reasoning74/88
Writing76/86
Chat80/86
Classify82/83
Extract80/84
Summarize80/86
Translate80/84
Vision78/30
General76/86
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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.