Is Gemini 3.5 Flash Lite or GPT OSS 20B cheaper?

GPT OSS 20B is cheaper on output tokens ($0.30 vs $2.50 per 1M).

Which has the larger context window, Gemini 3.5 Flash Lite or GPT OSS 20B?

Gemini 3.5 Flash Lite has the larger context window (1M tokens).

Gemini 3.5 Flash Lite vs GPT OSS 20B

GPT OSS 20B is cheaper on output tokens, while Gemini 3.5 Flash Lite offers a larger context window. Choose Gemini 3.5 Flash Lite or GPT OSS 20B based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Gemini 3.5 Flash Lite	GPT OSS 20B
Provider	Impossibl	Impossibl
Input / 1M tokens	$0.30	$0.08
Output / 1M tokens	$2.50	$0.30
Context window	1M	131K
Parameters	—	—
Open weights	No	Yes
Released	Jul 2026	Aug 2025

Gemini 3.5 Flash Lite details →GPT OSS 20B details →

FAQ

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