LLM prices per 1M tokens

264 models · 161 price changes

DeepSeek V3.1

DeepSeek · Open weights · 164K context · released Aug 21, 2025 · checked 12h ago

DeepSeek-V3.1 is a large hybrid reasoning model (671B parameters, 37B active) that supports both thinking and non-thinking modes via prompt templates.

Ways to buy 4

Way to buyIn / out per 1M
DeepInfra
fp4 · cached $0.13
$0.25 / $0.95Cheapest
SiliconFlow
fp8
$0.27 / $1+6% vs cheapest
CoreWeave
fp8 · cached $0.55
$0.55 / $1.65+94% vs cheapest
SambaNova
fp8
$0.65 / $1.5+103% vs cheapest

USD per 1M tokens. Regions are separate routes.

Through a gateway

Your own numbers

100M input and 20M output tokens a month: $44.00 direct.

A dash: not on that gateway's own model list. No published token fee: Martian Gateway, Portkey.

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About DeepSeek V3.1

Takes text in and returns text. First listed Sep 23, 2026. Up to 147K output tokens. Blended price $0.425 per 1M tokens at 3 input to 1 output. Model id deepseek-chat-v3-1.

Price history

No list-price history: this model is sold by hosts rather than its lab.

Questions

How much does DeepSeek V3.1 cost?

$0.25 per million input tokens and $0.95 per million output tokens, with cached input at $0.13.

What is the context window of DeepSeek V3.1?

164K tokens, with up to 147K tokens of output.

Where is DeepSeek V3.1 cheapest?

Of 4 routes tracked, DeepInfra is cheapest at $0.25 input and $0.95 output per million tokens.

Has DeepSeek V3.1's price changed?

Yes. The output price went from $0.95 to $1, first seen Oct 2, 2026.