Is R1 0528 or GPT OSS 120B cheaper?

GPT OSS 120B is cheaper on output tokens ($0.15 vs $2.15 per 1M).

Which has the larger context window, R1 0528 or GPT OSS 120B?

R1 0528 has the larger context window (164K tokens).

R1 0528 vs GPT OSS 120B

GPT OSS 120B is cheaper on output tokens, while R1 0528 offers a larger context window. Choose R1 0528 or GPT OSS 120B based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	R1 0528	GPT OSS 120B
Provider	OpenRouter	OpenRouter
Input / 1M tokens	$0.50	$0.03
Output / 1M tokens	$2.15	$0.15
Context window	164K	131K
Parameters	—	117B
Open weights	Yes	Yes
Released	May 2025	Aug 2025

R1 0528 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.