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DeepSeek-V3.2 Thinking vs GPT-5.3 Codex
Comprehensive side-by-side LLM comparison
. 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-5.3 Codex, released by OpenAI in February 2026, is a coding-specialized large language model from the GPT-5.3 family. It targets software engineering workflows including automated code generation, test writing, and agentic multi-file editing, built on the incremental improvements of the GPT-5.3 generation.
4 months newer
DeepSeek-V3.2 Thinking
DeepSeek
2025-09-29
GPT-5.3 Codex
OpenAI
2026-02
Performance Metrics
Context window and performance specifications
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-5.3 Codex
0 providers
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DeepSeek-V3.2 Thinking
Avg Score:0.0%
Providers:1
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GPT-5.3 Codex
Avg Score:0.0%
Providers:0