WeavePrism

Gemini 2.5 Flash vs GPT-5 nano

GPT-5 nano costs 84% less at typical usage ($0.14 vs $0.85 per 1M tokens). Gemini 2.5 Flash scores higher on 11 of 11 tasks.

SpecGemini 2.5 FlashGPT-5 nano
Input /1M$0.30$0.05
Output /1M$2.50$0.40
Typical /1M$0.85$0.14
Context window1M400k
SpeedBlazingBlazing
PrivacyStandardStandard
Open weightsNoNo
Gemini 2.5 Flash
Steady since we started tracking (Jul 13, 2026)
Steady since we started tracking (Jul 13, 2026)
GPT-5 nano
Steady since we started tracking (Jul 13, 2026)
Steady since we started tracking (Jul 13, 2026)

Quality by task

Coding84/72
Agents82/68
Reasoning85/74
Writing84/76
Chat88/80
Classify87/82
Extract87/80
Summarize88/80
Translate88/80
Vision90/78
General85/76

Price your own prompt against both

The free estimator ranks Gemini 2.5 Flash, GPT-5 nano and every other catalog model by cost and quality for your exact workload.

Open the estimator

Get notified when either model's price changes

We watch the catalog for list-price changes. Opt in with just an email, no account, and unsubscribe in one click anytime.

Also compare Gemini 2.5 Flash

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.