Is OpenAI: gpt-oss-120b or DeepSeek: DeepSeek V4 Flash cheaper?

OpenAI: gpt-oss-120b is cheaper on output tokens ($0.19 vs $0.28 per 1M).

Which has the larger context window, OpenAI: gpt-oss-120b or DeepSeek: DeepSeek V4 Flash?

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

OpenAI: gpt-oss-120b vs DeepSeek: DeepSeek V4 Flash

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

Spec	OpenAI: gpt-oss-120b	DeepSeek: DeepSeek V4 Flash
Provider	Kilo Gateway	Kilo Gateway
Input / 1M tokens	$0.04	$0.14
Output / 1M tokens	$0.19	$0.28
Context window	131K	1M
Parameters	117B	284B
Open weights	Yes	No
Released	Aug 2025	Apr 2026

OpenAI: gpt-oss-120b details →DeepSeek: DeepSeek V4 Flash details →

FAQ

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