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DeepSeek-V3.2 vs GPT-5.1 Codex Max
Comprehensive side-by-side LLM comparison
GPT-5.1 Codex Max leads with 11.0% higher average benchmark score. Overall, GPT-5.1 Codex Max is the stronger choice for coding tasks.
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DeepSeek
DeepSeek-V3.2, released by DeepSeek on December 1, 2025, is a large language model with 685 billion total parameters featuring integrated thinking in tool-use and support for both reasoning and direct generation modes. It features a 128K token context window and introduced large-scale agent training across 1,800+ environments. DeepSeek-V3.2 targets agentic workflows, complex instruction following, and coding tasks under an open MIT license.
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OpenAI
GPT-5.1 Codex Max, released by OpenAI in November 2025, is an enhanced coding variant from the GPT-5.1 Codex line, designed for more complex software engineering tasks requiring additional reasoning depth. It targets large-scale code generation, automated refactoring, and sophisticated agentic development workflows.
1 month newer
GPT-5.1 Codex Max
OpenAI
2025-11
DeepSeek-V3.2
DeepSeek
2025-12-01
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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DeepSeek-V3.2
Average Score:37.5%
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GPT-5.1 Codex Max
Average Score:48.5%(+11.0%)
Performance comparison across key benchmark categories
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DeepSeek-V3.2
Coding37.5%
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GPT-5.1 Codex Max
Coding48.5%(+11.0%)
Provider Availability & Performance
Available providers and their performance metrics
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DeepSeek-V3.2
1 providers
DeepSeek
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GPT-5.1 Codex Max
0 providers
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DeepSeek-V3.2
Avg Score:37.5%
Providers:1
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GPT-5.1 Codex Max
Avg Score:48.5%(+11.0%)
Providers:0