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DeepSeek V3.1

DeepSeek · Open weights · 164K context · released Aug 21, 2025 · checked 10h ago

Ways to buy 8

Way to buyIn / out per 1M
DeepInfra
fp4 · cached $0.13
$0.25 / $0.95Cheapest
Novita AI
fp8 · cached $0.135
$0.27 / $1+6% vs cheapest
SiliconFlow
fp8
$0.27 / $1+6% vs cheapest
AtlasCloud
fp8 · cached $0.13
$0.3 / $0.95+9% vs cheapest
CoreWeave
fp8 · cached $0.55
$0.55 / $1.65+94% vs cheapest
SambaNova
fp8
$0.65 / $1.5+103% vs cheapest
Google Vertex AI
us-west2
$0.6 / $1.7+106% vs cheapest
Mara
Default region
$0.6 / $1.7+106% 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.

No published token fee: Martian Gateway, Portkey, TrueFoundry AI Gateway.

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In / out per 1M
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$0.216 / $0.647
DeepSeek V4 Pro 0813
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$0.66 / $1.98
DeepSeek V4 Flash 0731
DeepSeek · 1.31M
$0.053 / $0.158
GLM 4.6
Z.ai · 205K
$0.43 / $1.75
Kimi K2.5
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$0.45 / $2.25
Gemini 3.1 Flash Lite
Google · 1MCheapest: $0.281 on Google Vertex AI (global-flex)
$0.25 / $1.5
Gemini 3.1 Flash Lite Preview
Google · 1MCheapest: $0.281 on Google Gemini API (flex)
$0.25 / $1.5

About DeepSeek V3.1

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

Takes text in and returns text. First listed Sep 23, 2026. Up to 33K 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.

Across fru.devCompany profile

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 33K tokens of output.

Where is DeepSeek V3.1 cheapest?

Of 8 routes tracked, DeepInfra is cheapest at $0.25 input and $0.95 output per million tokens.

List prices from providers' pages on the date shown; your contract may differ. Logos via logo.dev; trademarks belong to their owners.

Weekly: LLM API list prices that changed, Thursday mornings.