Gemini 2.5 Flash-Lite vs GPT-5.1

Gemini 2.5 Flash-Lite costs 95% less at typical usage ($0.18 vs $3.44 per 1M tokens). GPT-5.1 scores higher on 11 of 11 tasks.

Spec	Gemini 2.5 Flash-Lite	GPT-5.1
Input /1M	$0.10	$1.25
Output /1M	$0.40	$10.0
Typical /1M	$0.18	$3.44
Context window	1M	400k
Speed	Blazing	Brisk
Privacy	Standard	Standard
Open weights	No	No

Gemini 2.5 Flash-Lite

Steady since we started tracking (Jul 13, 2026)

GPT-5.1

Steady since we started tracking (Jul 13, 2026)

Quality by task

Coding70/94

Agents62/93

Reasoning70/96

Writing74/92

Chat79/93

Classify82/88

Extract79/89

Summarize80/91

Translate82/90

Vision80/94

General74/94

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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.