Is Mistral Small 4 119B or GPT-OSS-20B cheaper?

GPT-OSS-20B is cheaper on output tokens ($1.80 vs $3.00 per 1M).

Which has the larger context window, Mistral Small 4 119B or GPT-OSS-20B?

Mistral Small 4 119B has the larger context window (256K tokens).

Mistral Small 4 119B vs GPT-OSS-20B

GPT-OSS-20B is cheaper on output tokens, while Mistral Small 4 119B offers a larger context window. Choose Mistral Small 4 119B or GPT-OSS-20B based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Mistral Small 4 119B	GPT-OSS-20B
Provider	Regolo AI	Regolo AI
Input / 1M tokens	$0.75	$0.40
Output / 1M tokens	$3.00	$1.80
Context window	256K	128K
Parameters	—	21B
Open weights	No	Yes
Released	Mar 2026	Mar 2026

Mistral Small 4 119B details →GPT-OSS-20B details →

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.