WeavePrism

GPT-5 nano vs Grok 4.1

GPT-5 nano costs 98% less at typical usage ($0.14 vs $6.00 per 1M tokens). Grok 4.1 scores higher on 11 of 11 tasks.

SpecGPT-5 nanoGrok 4.1
Input /1M$0.05$3.00
Output /1M$0.40$15.0
Typical /1M$0.14$6.00
Context window400k256k
SpeedBlazingBrisk
PrivacyStandardStandard
Open weightsNoNo
GPT-5 nano
Steady since we started tracking (Jul 13, 2026)
Steady since we started tracking (Jul 13, 2026)
Grok 4.1
Steady since we started tracking (Jul 13, 2026)
Steady since we started tracking (Jul 13, 2026)

Quality by task

Coding72/92
Agents68/91
Reasoning74/95
Writing76/90
Chat80/91
Classify82/86
Extract80/87
Summarize80/89
Translate80/87
Vision78/90
General76/92

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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.