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DeepSeek-R1 vs GPT-5.1
Comprehensive side-by-side LLM comparison
GPT-5.1 leads with 25.7% higher average benchmark score. GPT-5.1 supports multimodal inputs. Overall, GPT-5.1 is the stronger choice for coding tasks.
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DeepSeek
DeepSeek-R1, released by DeepSeek on January 20, 2025, is a large reasoning model with 671 billion total parameters (37 billion active in its MoE architecture) designed for extended chain-of-thought reasoning. It features a 128K token context window and demonstrated strong performance on mathematics, coding, and scientific reasoning benchmarks at its release. DeepSeek-R1 targets complex analytical tasks, competitive programming, and applications requiring deep deliberative reasoning under an open MIT license.
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OpenAI
GPT-5.1, released by OpenAI in November 2025, is a large language model from the GPT-5 family that delivers incremental improvements in reasoning, instruction following, and multimodal understanding over GPT-5. It features a 400K token context window and targets general-purpose development, long-context analysis, and agentic workflows.
9 months newer
DeepSeek-R1
DeepSeek
2025-01-20
GPT-5.1
OpenAI
2025-11
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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DeepSeek-R1
Average Score:62.4%
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GPT-5.1
Average Score:88.1%(+25.7%)
Performance comparison across key benchmark categories
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DeepSeek-R1
Science62.4%
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GPT-5.1
Science88.1%(+25.7%)
Provider Availability & Performance
Available providers and their performance metrics
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DeepSeek-R1
1 providers
DeepSeek
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GPT-5.1
0 providers
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DeepSeek-R1
Avg Score:62.4%
Providers:1
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GPT-5.1
Avg Score:88.1%(+25.7%)
Providers:0