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DeepSeek V3.1 Terminus (Non-reasoning)

DeepSeekDeepSeek

Description

A powerful Mixture-of-Experts (MoE) language model with 671B total parameters (37B activated per token). Features Multi-head Latent Attention (MLA), auxiliary-loss-free load balancing, and multi-token prediction training. Pre-trained on 14.8T tokens with strong performance in reasoning, math, and code tasks.

Release Date
2025-09-22
Parameters
—
Context Length
164K
Modalities
text

Capability Radar

38
general
48
coding
57
reasoning
47
scienceest.
54
agents
0
multimodal

Science uses a reasoning proxy when dedicated science benchmarks are unavailable.

Rankings

Domain#RankScoreSource
Code Ranking155
55.0
AA
General Ranking209
48.0
AA
Math Reasoning164
54.0
AA
Science206
48.0
AA

Benchmark Scores (LLM Stats)

Biology

GPQA59.1%SR

Code

Aider-Polyglot Edit79.7%SR
Aider-Polyglot49.6%SR
SWE-Bench Verified42.0%SR
LiveCodeBench37.6%SR

Factuality

SimpleQA24.9%SR

Finance

MMLU88.5%SR
MMLU-Pro75.9%SR

General

MMLU-Redux89.1%SR
C-Eval86.5%SR
IFEval86.1%SR
CSimpleQA64.8%SR
LongBench v248.7%SR

Language

CLUEWSC90.9%SR

Math

DROP91.6%SR
MATH-50090.2%SR
CNMO 202443.2%SR
AIME 202439.2%SR

Reasoning

HumanEval-Mul82.6%SR
FRAMES73.3%SR

AA Evaluation Indices

Math Index
53.7
Intelligence Index
21.4
Mmlu Pro
0.8
Gpqa
0.8
Aime 25
0.5
Livecodebench
0.5
Lcr
0.4
Ifbench
0.4
Tau2
0.4
Scicode
0.3
Terminalbench Hard
0.3
Hle
0.1

LLM Stats Category Scores

Instruction Following
90
Language
80
Legal
80
Finance
80
Healthcare
80
Math
70
Reasoning
70
Structured Output
70
General
70
Physics
60
Biology
60
Chemistry
60
Long Context
50
Code
50
Frontend Development
40
Factuality
20

Pricing

Input Price$0.27 / 1M tokens
Output Price$1 / 1M tokens
Blended Price (3:1)$0.453 / 1M tokens
Cache Read Price$0.13 / 1M tokens

Speed

Tokens/sec0.0
Time to First Token0.00s
Time to Answer0.00s

Provider Price Ranking

Provider Price Ranking

8 providers

Cheapest: NanoGPTMost Expensive: Synthetic
ProviderInputOutput
1NanoGPTCheapest
$0.25
$0.7
2DeepSeekPRIMARY
$0.27
$1
3Abacus
$0.27
$1
4SiliconFlow (China)
$0.27
$1
5Alibaba (China)
$0.27
$1
6Helicone
$0.27
$1
7SiliconFlow
$0.27
$1
8Synthetic
$1.2
$1.2

Compare pricing across different API providers for this model.

External Sources

Artificial Analysis