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DeepSeek-V3.1

DeepSeek-V3.1 is a hybrid model supporting both thinking and non-thinking modes through different chat templates. Built on DeepSeek-V3.1-Base with a two-phase long context extension (32K phase: 630B t

DeepSeek-V3.1 is a hybrid model supporting both thinking and non-thinking modes through different chat templates. Built on DeepSeek-V3.1-Base with a two-phase long context extension (32K phase: 630B tokens, 128K phase: 209B tokens), it features 671B total parameters with 37B activated. Key improvements include smarter tool calling through post-training optimization, higher thinking efficiency achieving comparable quality to DeepSeek-R1-0528 while responding more quickly, and UE8M0 FP8 scale data

LLMs
Free tier

Intelligence

Popularity49/100
Monthly visits
Growth
Updated2026-05-21

Features

GPQA
MMLU
MMLU-Pro
AIME 2025
MATH
HumanEval

Pros

    Cons

      Use cases

      API inference · Fine-tuning · Benchmarking

      AI models used

      DeepSeek-V3.1

      FAQ

      How much does DeepSeek-V3.1 cost?

      Free tier

      Does DeepSeek-V3.1 have a free plan?

      Limited or no free tier

      Is there an API?

      Yes