DeepSeek: DeepSeek V3.1

DeepSeek: DeepSeek V3.1

deepseek · Released Aug 21, 2025 Professional
Intelligence #14 / 590
82.0 Our Score
AA Index #133 / 385
20.7 Artificial Analysis
Input #301 / 592
$0.210 per 1M tokens
Output #303 / 592
$0.790 per 1M tokens
Context #232 / 592
163,840 tokens

Analysis Summary

DeepSeek V3.1 is the latest iteration in DeepSeek's V3 family, released August 2025. Its math index of 89.7 and livecodebench score of 0.784 are strong for its price tier, and its mmlu_pro of 0.851 indicates broad knowledge coverage. Tool use and function calling are supported across a 163K context window, making it capable for structured automation and content workflows.

For businesses, it fits well in high-volume content generation, SEO workflows, structured data extraction, and coding assistance where cost efficiency is a priority. Its ifbench score of 0.415 is moderate, and its agentic index of 31.2 limits its reliability for complex multi-step autonomous tasks. Long-context reasoning at 0.533 is adequate for most document-length inputs.

At $0.21 input and $0.79 output per million tokens, it offers strong price-performance for text-only workloads. A -4 point regional accessibility adjustment applies given DeepSeek's provider profile. Teams comfortable with DeepSeek's API and data handling policies will find it a cost-effective workhorse for content and coding pipelines.

Assessed June 30, 2026

Editorial notes

DeepSeek V3.1 delivers strong math and coding benchmarks with tool use and function calling at very low cost, though its intelligence index of 20.7 limits complex reasoning tasks.

Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?

Performance Profile

Intelligence3.9Technical4.6Value7.8Content5.4
Intelligence 3.9/10
Technical 4.6/10
Content 5.4/10
Value 7.8/10

How DeepSeek: DeepSeek V3.1 compares

DeepSeek: DeepSeek V3.1 ranks #133 of 385 AI models we track for overall intelligence, #142 of 293 for agentic tasks. Its 164K-token context window is larger than 61% of the models we list. At $0.21 per million input tokens it is cheaper than 49% of comparable models.

About DeepSeek: 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. It extends the DeepSeek-V3 base with a two-phase long-context..

Capabilities

Tool Use Function Calling

Architecture Detail

Instruct Typedeepseek-v3.1

Performance Indices

Source: Artificial Analysis

20.7 Intelligence Index
31.2 Agentic Index
89.7 Math Index

Benchmark Scores

Intelligence

GPQA Diamond 77.9% Graduate-level scientific reasoning
HLE 13% Humanity's Last Exam
MMLU Pro 85.1% Multi-task language understanding
AIME 2025 89.7% Competition mathematics (2025)
SciCode 39.1% Scientific computing

Technical

LiveCodeBench 78.4% Live coding evaluation
TerminalBench Hard 25% Agentic terminal tasks
τ²-Bench 37.4% Conversational agent benchmark

Content

IFBench 41.5% Instruction following
LCR 53.3% Long-context reasoning

Benchmark data from Artificial Analysis and Hugging Face

How does DeepSeek: DeepSeek V3.1 stack up?

Compare side-by-side with other professional models.

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Model Information

OpenRouter ID deepseek/deepseek-chat-v3.1
Providerdeepseek
Model FamilyDeepSeek
Release Date August 21, 2025
Context Length163,840 tokens
Max Completion32,768 tokens
Status Active

Pricing

Token Type Cost per 1M tokens Cost per 1K tokens
Input $0.21 $0.000210
Output $0.79 $0.000790

Live Performance

Live endpoint metrics, refreshed every 30 minutes.

99%
Avg Uptime
353ms
Best Latency (TTFT)
105 tok/s
Best Throughput
7/7
Active Endpoints
Available via: DeepInfra, Novita, SiliconFlow, AtlasCloud, WandB, Google, SambaNova

Leaderboard Categories

Frequently asked questions about DeepSeek: DeepSeek V3.1

How much does DeepSeek: DeepSeek V3.1 cost?

DeepSeek: DeepSeek V3.1 costs $0.21 per million input tokens and $0.79 per million output tokens.

What is the context window of DeepSeek: DeepSeek V3.1?

DeepSeek: DeepSeek V3.1 has a context window of 163,840 tokens (164K).

What can DeepSeek: DeepSeek V3.1 do?

DeepSeek: DeepSeek V3.1 supports tool use and function calling.

Who created DeepSeek: DeepSeek V3.1?

DeepSeek: DeepSeek V3.1 is developed by DeepSeek and was released on August 21, 2025.