Is Mistral Small 4 or GPT OSS 120B cheaper?

GPT OSS 120B is cheaper on output tokens ($0.15 vs $0.60 per 1M).

Which has the larger context window, Mistral Small 4 or GPT OSS 120B?

Mistral Small 4 has the larger context window (262K tokens).

Mistral Small 4 vs GPT OSS 120B

GPT OSS 120B is cheaper on output tokens, while Mistral Small 4 offers a larger context window. Choose Mistral Small 4 or GPT OSS 120B based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Mistral Small 4	GPT OSS 120B
Provider	OpenRouter	OpenRouter
Input / 1M tokens	$0.15	$0.03
Output / 1M tokens	$0.60	$0.15
Context window	262K	131K
Parameters	—	117B
Open weights	Yes	Yes
Released	Mar 2026	Aug 2025

Mistral Small 4 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.