Is DeepSeek R1 or GPT-5 cheaper?

DeepSeek R1 is cheaper on output tokens ($7.00 vs $10.00 per 1M).

Which has the larger context window, DeepSeek R1 or GPT-5?

GPT-5 has the larger context window (400K tokens).

DeepSeek R1 vs GPT-5

DeepSeek R1 is cheaper on output tokens, while GPT-5 offers a larger context window. Choose DeepSeek R1 or GPT-5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	DeepSeek R1	GPT-5
Provider	Abacus	Abacus
Input / 1M tokens	$3.00	$1.25
Output / 1M tokens	$7.00	$10.00
Context window	128K	400K
Parameters	671B	—
Open weights	Yes	No
Released	Jan 2025	Aug 2025

DeepSeek R1 details →GPT-5 details →

FAQ

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