Is DeepSeek V3.1 Terminus or GPT OSS 120B cheaper?

GPT OSS 120B is cheaper on output tokens ($0.15 vs $0.95 per 1M).

Which has the larger context window, DeepSeek V3.1 Terminus or GPT OSS 120B?

DeepSeek V3.1 Terminus has the larger context window (164K tokens).

DeepSeek V3.1 Terminus vs GPT OSS 120B

GPT OSS 120B is cheaper on output tokens, while DeepSeek V3.1 Terminus offers a larger context window. Choose DeepSeek V3.1 Terminus or GPT OSS 120B based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	DeepSeek V3.1 Terminus	GPT OSS 120B
Provider	OpenRouter	OpenRouter
Input / 1M tokens	$0.27	$0.03
Output / 1M tokens	$0.95	$0.15
Context window	164K	131K
Parameters	—	117B
Open weights	Yes	Yes
Released	Sep 2025	Aug 2025

DeepSeek V3.1 Terminus 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.