Is Gemini 3.1 Flash Lite or GPT-3.5 Turbo Instruct cheaper?

Gemini 3.1 Flash Lite is cheaper on output tokens ($1.50 vs $2.00 per 1M).

Which has the larger context window, Gemini 3.1 Flash Lite or GPT-3.5 Turbo Instruct?

Gemini 3.1 Flash Lite has the larger context window (1M tokens).

Gemini 3.1 Flash Lite vs GPT-3.5 Turbo Instruct

Gemini 3.1 Flash Lite is cheaper on output tokens, while Gemini 3.1 Flash Lite offers a larger context window. Choose Gemini 3.1 Flash Lite or GPT-3.5 Turbo Instruct based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Gemini 3.1 Flash Lite	GPT-3.5 Turbo Instruct
Provider	Vercel AI Gateway	Vercel AI Gateway
Input / 1M tokens	$0.25	$1.50
Output / 1M tokens	$1.50	$2.00
Context window	1M	8K
Parameters	—	20B
Open weights	No	No
Released	May 2026	Sep 2023

Gemini 3.1 Flash Lite details →GPT-3.5 Turbo Instruct details →

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.