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GPT-5 Pro vs GPT-5.2
Comprehensive side-by-side LLM comparison
GPT-5.2 leads with 5.0% higher average benchmark score. Both models have their strengths depending on your specific coding needs.
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OpenAI
GPT-5 Pro is an extended-reasoning variant from the GPT-5 family that applies more compute per response for deeper, more thorough answers on complex problems. It features the same 400K token context window and multimodal capabilities as GPT-5, with additional reasoning depth suited to research-grade analysis, advanced coding, and tasks requiring comprehensive, accurate outputs.
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OpenAI
GPT-5.2, released by OpenAI on December 11, 2025, is a large language model from the GPT-5 family that improves on GPT-5 in general intelligence, long-context understanding, agentic tool-calling, and vision. It features a 400K token context window, 128K maximum output tokens, and a knowledge cutoff of August 2025. GPT-5.2 targets long-context coding tasks, extended document analysis, and complex agentic workflows requiring reliable instruction following.
4 months newer
GPT-5 Pro
OpenAI
2025-08-07
GPT-5.2
OpenAI
2025-12-11
Average performance across 1 common benchmarks
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GPT-5 Pro
Average Score:31.6%
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GPT-5.2
Average Score:36.6%(+5.0%)
Performance comparison across key benchmark categories
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GPT-5 Pro
Reasoning31.6%
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GPT-5.2
Reasoning36.6%(+5.0%)
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Knowledge Cutoff
Training data recency comparison
GPT-5.2
2025-08
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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GPT-5 Pro
0 providers
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GPT-5.2
0 providers
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GPT-5 Pro
Avg Score:31.6%
Providers:0
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GPT-5.2
Avg Score:36.6%(+5.0%)
Providers:0