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0.441
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DeepSeek V3.2-Exp Non-Thinking

The Non-Thinking mode prioritizes fast, cost-effective responses without outputting intermediate reasoning steps, ideal for applications needing quick, high-quality results.
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DeepSeek V3.2-Exp Non-Thinking

DeepSeek-V3.2-Exp Non-Thinking mode is a state-of-the-art long-context language model combining sparse attention innovations, massive context support, and cost-effective inference to empower latency-sensitive, large-scale natural language tasks.

Model Overview

DeepSeek-V3.2-Exp Non-Thinking is an experimental transformer-based large language model launched in September 2025. Designed as an evolution of DeepSeek V3.1-Terminus, it introduces the DeepSeek Sparse Attention (DSA) mechanism to enable efficient and scalable long-context understanding, delivering faster and more cost-effective inference by selectively attending to essential tokens.

Technical Specifications

  • Model Generation: Experimental intermediary development from DeepSeek V3.1
  • Architecture Type: Transformer with fine-grained sparse attention (DeepSeek Sparse Attention - DSA)
  • Parameter Alignment: Training aligned to V3.1-Terminus for benchmarking validity
  • Context Length: Supports up to 128,000 tokens, suitable for multi-document and long-form text processing
  • Max Output Tokens: 4,000 default, supports up to 8,000 tokens per response


Performance Benchmarks

Performance remains on par or better than V3.1-Terminus across multiple domains such as reasoning, coding, and real-world agentic tasks while delivering substantial efficiency gains.

  • Scores 79.9 on GPQA-Diamond (Question Answering), slightly below V3.1 (80.7)
  • Reaches 74.1 on LiveCodeBench (Coding), close to 74.9 of V3.1
  • Scores 89.3 on AIME 2025 (Mathematics), surpassing V3.1 (88.4)
  • Performs at 2121 on Codeforces programming benchmark, better than V3.1 (2046)
  • Achieves 40.1 on BrowseComp (Agentic Tool Use), better than V3.1 (38.5)


Key Features

  • DeepSeek Sparse Attention (DSA): Innovative fine-grained sparse attention mechanism focusing computation only on the most important tokens, dramatically reducing compute and memory requirements.
  • Massive Context Support: Processes up to 128,000 tokens (over 300 pages of text), enabling long-form document understanding and multi-document workflows.
  • Significant Cost Reduction: Inference cost reduced by more than 50% compared to DeepSeek V3.1-Terminus, making it highly efficient for large-scale usage.
  • High Efficiency and Speed: Optimized for fast inference, offering 2-3x acceleration on long-text processing compared to prior versions without sacrificing output quality.
  • Maintains Quality: Matches or exceeds DeepSeek V3.1-Terminus performance across multiple benchmarks with comparable generation quality.
  • Scalable and Stable: Optimized for large-scale deployment with improved memory consumption and inference stability on extended context lengths.
  • Non-Thinking Mode: Prioritizes direct, fast answers without generating intermediate reasoning steps, perfect for latency-sensitive applications.


API Pricing

  • 1M input tokens (CACHE HIT): $0.0294
  • 1M input tokens (CACHE MISS): $0.294
  • 1M output tokens: $0.441


Use Cases

  • Fast interactive chatbots and assistants where responsiveness is critical
  • Long-form document summarization and extraction without explanation overhead
  • Code generation/completion over large repositories where speed is key
  • Multi-document search and retrieval with low latency
  • Pipeline integrations requiring JSON outputs without intermediate reasoning noise

Code Sample

Comparison with Other Models

vs. DeepSeek V3.1-Terminus: V3.2-Exp introduces the DeepSeek Sparse Attention mechanism, significantly reducing compute costs for long contexts while maintaining nearly identical output quality. It achieves similar benchmark performance but is about 50% cheaper and notably faster on large inputs compared to V3.1-Terminus.

vs. GPT-5: While GPT-5 leads in raw language understanding and generation quality across a broad range of tasks, DeepSeek V3.2-Exp notably excels in handling extremely long contexts (up to 128K tokens) more cost-effectively. DeepSeek’s sparse attention provides a strong efficiency advantage for document-heavy and multi-turn applications.

vs. LLaMA 3: LLaMA models offer competitive performance with dense attention but typically cap context size at 32K tokens or less. DeepSeek's architecture targets long-context scalability with sparse attention, enabling smoother performance on very large documents and datasets where LLaMA may degrade or become inefficient.

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