Is GPT-4o-mini (2024-07-18) or GPT OSS 120B cheaper?

GPT OSS 120B is cheaper on output tokens ($0.15 vs $0.60 per 1M).

Which has the larger context window, GPT-4o-mini (2024-07-18) or GPT OSS 120B?

GPT OSS 120B has the larger context window (131K tokens).

GPT-4o-mini (2024-07-18) vs GPT OSS 120B

GPT OSS 120B is cheaper on output tokens, while GPT OSS 120B offers a larger context window. Choose GPT-4o-mini (2024-07-18) or GPT OSS 120B based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GPT-4o-mini (2024-07-18)	GPT OSS 120B
Provider	OpenRouter	OpenRouter
Input / 1M tokens	$0.15	$0.03
Output / 1M tokens	$0.60	$0.15
Context window	128K	131K
Parameters	—	117B
Open weights	No	Yes
Released	Jul 2024	Aug 2025

GPT-4o-mini (2024-07-18) 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.