Is Mistral Medium 3.5 128B or GPT-OSS-120B cheaper?

GPT-OSS-120B is cheaper on output tokens ($0.83 vs $5.50 per 1M).

Which has the larger context window, Mistral Medium 3.5 128B or GPT-OSS-120B?

Mistral Medium 3.5 128B has the larger context window (262K tokens).

Mistral Medium 3.5 128B vs GPT-OSS-120B

GPT-OSS-120B is cheaper on output tokens, while Mistral Medium 3.5 128B offers a larger context window. Choose Mistral Medium 3.5 128B or GPT-OSS-120B based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Mistral Medium 3.5 128B	GPT-OSS-120B
Provider	Berget.AI	Berget.AI
Input / 1M tokens	$1.65	$0.22
Output / 1M tokens	$5.50	$0.83
Context window	262K	128K
Parameters	—	117B
Open weights	Yes	Yes
Released	Apr 2026	Aug 2025

Mistral Medium 3.5 128B 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.