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

GPT-OSS 120B is cheaper on output tokens ($0.60 vs $7.50 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 (256K 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	Scaleway	Scaleway
Input / 1M tokens	$1.50	$0.15
Output / 1M tokens	$7.50	$0.60
Context window	256K	128K
Parameters	—	117B
Open weights	Yes	Yes
Released	Apr 2026	Jan 2024

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.