Is GPT-OSS 20B or DeepSeek R1 cheaper?

GPT-OSS 20B is cheaper on output tokens ($0.14 vs $8.75 per 1M).

Which has the larger context window, GPT-OSS 20B or DeepSeek R1?

DeepSeek R1 has the larger context window (128K tokens).

GPT-OSS 20B vs DeepSeek R1

GPT-OSS 20B is cheaper on output tokens, while DeepSeek R1 offers a larger context window. Choose GPT-OSS 20B or DeepSeek R1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GPT-OSS 20B	DeepSeek R1
Provider	IO.NET	IO.NET
Input / 1M tokens	$0.03	$2.00
Output / 1M tokens	$0.14	$8.75
Context window	64K	128K
Parameters	21B	671B
Open weights	Yes	Yes
Released	Dec 2024	Jan 2025

GPT-OSS 20B details →DeepSeek R1 details →

FAQ

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