Is Nano Banana 2 (Gemini 3.1 Flash Image) or GPT OSS 120B cheaper?

GPT OSS 120B is cheaper on output tokens ($0.15 vs $3.00 per 1M).

Which has the larger context window, Nano Banana 2 (Gemini 3.1 Flash Image) or GPT OSS 120B?

Both models offer a similar context window.

Nano Banana 2 (Gemini 3.1 Flash Image) vs GPT OSS 120B

GPT OSS 120B is cheaper on output tokens. Choose Nano Banana 2 (Gemini 3.1 Flash Image) or GPT OSS 120B based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Nano Banana 2 (Gemini 3.1 Flash Image)	GPT OSS 120B
Provider	OpenRouter	OpenRouter
Input / 1M tokens	$0.50	$0.03
Output / 1M tokens	$3.00	$0.15
Context window	131K	131K
Parameters	—	117B
Open weights	No	Yes
Released	Jun 2026	Aug 2025

Nano Banana 2 (Gemini 3.1 Flash Image) 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.