GPT-5 nano vs Grok 4.1 Fast
GPT-5 nano costs 50% less at typical usage ($0.14 vs $0.28 per 1M tokens). Grok 4.1 Fast scores higher on 11 of 11 tasks.
| Spec | GPT-5 nano | Grok 4.1 Fast |
|---|---|---|
| Input /1M | $0.05 | $0.20 |
| Output /1M | $0.40 | $0.50 |
| Typical /1M | $0.14 | $0.28 |
| Context window | 400k | 2M |
| Speed | Blazing | Fast |
| Privacy | Standard | Standard |
| Open weights | No | No |
GPT-5 nano
Steady since we started tracking (Jul 13, 2026)
Grok 4.1 Fast
Steady since we started tracking (Jul 13, 2026)
Quality by task
Coding72/82
Agents68/84
Reasoning74/84
Writing76/82
Chat80/86
Classify82/84
Extract80/84
Summarize80/85
Translate80/84
Vision78/84
General76/83
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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.