Is DeepSeek V4 Pro or openai/gpt-oss-20b cheaper?

openai/gpt-oss-20b is cheaper on output tokens ($0.18 vs $3.48 per 1M).

Which has the larger context window, DeepSeek V4 Pro or openai/gpt-oss-20b?

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

DeepSeek V4 Pro vs openai/gpt-oss-20b

openai/gpt-oss-20b is cheaper on output tokens, while DeepSeek V4 Pro offers a larger context window. Choose DeepSeek V4 Pro or openai/gpt-oss-20b based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	DeepSeek V4 Pro	openai/gpt-oss-20b
Provider	SiliconFlow	SiliconFlow
Input / 1M tokens	$1.74	$0.04
Output / 1M tokens	$3.48	$0.18
Context window	1M	131K
Parameters	1.6T	21B
Open weights	Yes	No
Released	Apr 2026	Aug 2025

DeepSeek V4 Pro details →openai/gpt-oss-20b details →

FAQ

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