Is Gemini 3 Flash Preview or GPT OSS 120B cheaper?

GPT OSS 120B is cheaper on output tokens ($0.25 vs $3.00 per 1M).

Which has the larger context window, Gemini 3 Flash Preview or GPT OSS 120B?

Gemini 3 Flash Preview has the larger context window (1M tokens).

Gemini 3 Flash Preview vs GPT OSS 120B

GPT OSS 120B is cheaper on output tokens, while Gemini 3 Flash Preview offers a larger context window. Choose Gemini 3 Flash Preview or GPT OSS 120B based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Gemini 3 Flash Preview	GPT OSS 120B
Provider	LLM Gateway	LLM Gateway
Input / 1M tokens	$0.50	$0.05
Output / 1M tokens	$3.00	$0.25
Context window	1M	131K
Parameters	—	117B
Open weights	No	No
Released	Dec 2025	Aug 2025

Gemini 3 Flash Preview details →GPT OSS 120B details →

FAQ

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