Is DeepSeek-V3 or GPT OSS 20B cheaper?

GPT OSS 20B is cheaper on output tokens ($0.20 vs $1.25 per 1M).

Which has the larger context window, DeepSeek-V3 or GPT OSS 20B?

Both models offer a similar context window.

DeepSeek-V3 vs GPT OSS 20B

GPT OSS 20B is cheaper on output tokens. Choose DeepSeek-V3 or GPT OSS 20B based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	DeepSeek-V3	GPT OSS 20B
Provider	Together AI	Together AI
Input / 1M tokens	$1.25	$0.05
Output / 1M tokens	$1.25	$0.20
Context window	131K	131K
Parameters	671B	21B
Open weights	Yes	Yes
Released	Dec 2024	Aug 2025

DeepSeek-V3 details →GPT OSS 20B details →

FAQ

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