Is OpenAI: GPT OSS 20B or OpenAI GPT OSS 120B cheaper?

OpenAI: GPT OSS 20B is cheaper on output tokens ($0.15 vs $0.25 per 1M).

Which has the larger context window, OpenAI: GPT OSS 20B or OpenAI GPT OSS 120B?

Both models offer a similar context window.

OpenAI: GPT OSS 20B vs OpenAI GPT OSS 120B

OpenAI: GPT OSS 20B is cheaper on output tokens. Choose OpenAI: GPT OSS 20B or OpenAI GPT OSS 120B based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	OpenAI: GPT OSS 20B	OpenAI GPT OSS 120B
Provider	NovitaAI	NovitaAI
Input / 1M tokens	$0.04	$0.05
Output / 1M tokens	$0.15	$0.25
Context window	131K	131K
Parameters	21B	117B
Open weights	Yes	Yes
Released	Aug 2025	Aug 2025

OpenAI: GPT OSS 20B details →OpenAI GPT OSS 120B details →

FAQ

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