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DeepSeek: DeepSeek V3.1

DeepSeek·Released 2025-08-21
Open Source164K ctx

About

DeepSeek-V3.1 is a large hybrid reasoning model (671B parameters, 37B active) that supports both thinking and non-thinking modes via prompt templates. It extends the DeepSeek-V3 base with a two-phase long-context...

Pricing

Input

$0.21

per 1M tokens

Output

$0.79

per 1M tokens

Blended

$0.35

per 1M tokens

Cheaper than 62% of models. Median price is $0.68/1M tokens.

Cost Calculator

Tokens per day1M
100K100M

Daily

$0.35

Monthly

$10.65

vs. Similar Models

Qwen: Qwen3.6 35B A3B
$0.350%
Qwen: Qwen3.5-35B-A3B
$0.350%
DeepSeek: DeepSeek V3
$0.35-1%
Grok 3 mini Reasoning (high)
$0.35-1%

Performance

Context Window

164K

tokens

Larger than 47% of models

Max Output

33K

tokens

20% of context

Context Window Comparison

DeepSeek V3.2 Speciale
164KSame
DeepSeek: DeepSeek V3.1 Terminus
164KSame
DeepSeek: R1
164KSame

Open Source

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