Is DeepSeek V4 Flash or GPT-OSS-120B cheaper?

GPT-OSS-120B is cheaper on output tokens ($0.00 vs $0.28 per 1M).

Which has the larger context window, DeepSeek V4 Flash or GPT-OSS-120B?

DeepSeek V4 Flash has the larger context window (1M tokens).

DeepSeek V4 Flash vs GPT-OSS-120B

GPT-OSS-120B is cheaper on output tokens, while DeepSeek V4 Flash offers a larger context window. Choose DeepSeek V4 Flash or GPT-OSS-120B based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	DeepSeek V4 Flash	GPT-OSS-120B
Provider	Nvidia	Nvidia
Input / 1M tokens	$0.14	$0.00
Output / 1M tokens	$0.28	$0.00
Context window	1M	128K
Parameters	284B	117B
Open weights	Yes	Yes
Released	Apr 2026	Aug 2025

DeepSeek V4 Flash 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.