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DeepSeek-V3.2 Thinking vs GPT-5.1 Thinking
Comprehensive side-by-side LLM comparison
GPT-5.1 Thinking leads with 3.2% higher average benchmark score. GPT-5.1 Thinking supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
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DeepSeek
DeepSeek-V3.2-Exp (DeepSeek-V3.2 Thinking), released by DeepSeek in September 2025, is the experimental preview release of the DeepSeek-V3.2 model featuring 685 billion total parameters and integrated thinking capabilities. It introduced the architecture and training approaches that became the foundation of the final V3.2 release, including thinking in tool-use and hybrid reasoning modes.
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OpenAI
GPT-5.1 Thinking, released by OpenAI in November 2025, is an extended reasoning variant from the GPT-5.1 family that applies chain-of-thought processing to improve accuracy on complex reasoning, mathematics, and coding tasks. It targets analytical workflows where deliberate reasoning over a problem significantly improves output quality.
1 month newer
DeepSeek-V3.2 Thinking
DeepSeek
2025-09-29
GPT-5.1 Thinking
OpenAI
2025-11
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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DeepSeek-V3.2 Thinking
Average Score:73.1%
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GPT-5.1 Thinking
Average Score:76.3%(+3.2%)
Performance comparison across key benchmark categories
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DeepSeek-V3.2 Thinking
Coding73.1%
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GPT-5.1 Thinking
Coding76.3%(+3.2%)
Provider Availability & Performance
Available providers and their performance metrics
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DeepSeek-V3.2 Thinking
1 providers
DeepSeek
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GPT-5.1 Thinking
0 providers
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DeepSeek-V3.2 Thinking
Avg Score:73.1%
Providers:1
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GPT-5.1 Thinking
Avg Score:76.3%(+3.2%)
Providers:0