Is Gemini 3.5 Flash or GPT OSS 120B cheaper?

GPT OSS 120B is cheaper on output tokens ($0.25 vs $9.00 per 1M).

Which has the larger context window, Gemini 3.5 Flash or GPT OSS 120B?

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

Gemini 3.5 Flash vs GPT OSS 120B

GPT OSS 120B is cheaper on output tokens, while Gemini 3.5 Flash offers a larger context window. Choose Gemini 3.5 Flash or GPT OSS 120B based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Gemini 3.5 Flash	GPT OSS 120B
Provider	LLM Gateway	LLM Gateway
Input / 1M tokens	$1.50	$0.05
Output / 1M tokens	$9.00	$0.25
Context window	1M	131K
Parameters	—	117B
Open weights	No	No
Released	May 2026	Aug 2025

Gemini 3.5 Flash 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.