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DeepSeek V3.1 Terminus (Reasoning)

DeepSeek·Released 2025-09-22
Open SourceMoE

Pricing

Input

$1.64

per 1M tokens

Output

$2.75

per 1M tokens

Blended

$1.91

per 1M tokens

Cheaper than 25% of models. Median price is $0.54/1M tokens.

Cost Calculator

Tokens per day1M
100K100M

Daily

$1.91

Monthly

$57.42

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$4.81+151%

Benchmarks

MMLU-Pro
85.1%
GPQA Diamond
79.2%
HLE
15.2%
LiveCodeBench
79.8%
SciCode
40.6%
TerminalBench Hard
30.3%
MATH-500Not evaluated
AIMENot evaluated
AIME 2025
89.7%
IFBench
57.0%
Long Context Recall
65.0%
Tau2
37.1%
Market AverageTop Score

Open Source

Quick Compare

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