Is GPT-OSS 120B or Kimi K2 Thinking cheaper?

GPT-OSS 120B is cheaper on output tokens ($0.40 vs $2.25 per 1M).

Which has the larger context window, GPT-OSS 120B or Kimi K2 Thinking?

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

GPT-OSS 120B vs Kimi K2 Thinking

GPT-OSS 120B is cheaper on output tokens, while GPT-OSS 120B offers a larger context window. Choose GPT-OSS 120B or Kimi K2 Thinking based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GPT-OSS 120B	Kimi K2 Thinking
Provider	IO.NET	IO.NET
Input / 1M tokens	$0.04	$0.55
Output / 1M tokens	$0.40	$2.25
Context window	131K	33K
Parameters	117B	1T
Open weights	Yes	No
Released	Dec 2024	Nov 2024

GPT-OSS 120B details →Kimi K2 Thinking details →

FAQ

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