Is Llama 3.1 405B Instruct or GPT Oss 120b cheaper?

Llama 3.1 405B Instruct and GPT Oss 120b have comparable output pricing.

Which has the larger context window, Llama 3.1 405B Instruct or GPT Oss 120b?

Both models offer a similar context window.

Llama 3.1 405B Instruct vs GPT Oss 120b

Both have similar output pricing. Choose Llama 3.1 405B Instruct or GPT Oss 120b based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Llama 3.1 405B Instruct	GPT Oss 120b
Provider	Cortecs	Cortecs
Input / 1M tokens	$0.00	$0.00
Output / 1M tokens	$0.00	$0.00
Context window	128K	128K
Parameters	—	117B
Open weights	Yes	Yes
Released	Jul 2024	Aug 2025

Llama 3.1 405B Instruct 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.