Is DeepSeek: DeepSeek V3 or OpenAI: GPT-5 Pro cheaper?

DeepSeek: DeepSeek V3 is cheaper on output tokens ($0.89 vs $120.00 per 1M).

Which has the larger context window, DeepSeek: DeepSeek V3 or OpenAI: GPT-5 Pro?

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

DeepSeek: DeepSeek V3 vs OpenAI: GPT-5 Pro

DeepSeek: DeepSeek V3 is cheaper on output tokens, while OpenAI: GPT-5 Pro offers a larger context window. Choose DeepSeek: DeepSeek V3 or OpenAI: GPT-5 Pro based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	DeepSeek: DeepSeek V3	OpenAI: GPT-5 Pro
Provider	Kilo Gateway	Kilo Gateway
Input / 1M tokens	$0.32	$15.00
Output / 1M tokens	$0.89	$120.00
Context window	164K	400K
Parameters	671B	—
Open weights	Yes	No
Released	Dec 2024	Oct 2025

DeepSeek: DeepSeek V3 details →OpenAI: GPT-5 Pro details →

FAQ

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