Is GPT OSS 20B or Gemma 4 31B IT cheaper?

GPT OSS 20B is cheaper on output tokens ($0.17 vs $0.39 per 1M).

Which has the larger context window, GPT OSS 20B or Gemma 4 31B IT?

Gemma 4 31B IT has the larger context window (262K tokens).

GPT OSS 20B vs Gemma 4 31B IT

GPT OSS 20B is cheaper on output tokens, while Gemma 4 31B IT offers a larger context window. Choose GPT OSS 20B or Gemma 4 31B IT based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GPT OSS 20B	Gemma 4 31B IT
Provider	Cortecs	Cortecs
Input / 1M tokens	$0.05	$0.22
Output / 1M tokens	$0.17	$0.39
Context window	131K	262K
Parameters	—	—
Open weights	Yes	Yes
Released	Aug 2025	Apr 2026

GPT OSS 20B details →Gemma 4 31B IT details →

FAQ

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