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Gemini 2.5 Pro vs GPT-5.2
Comprehensive side-by-side LLM comparison
GPT-5.2 leads with 36.6% higher average benchmark score. Gemini 2.5 Pro is available on 2 providers. Overall, GPT-5.2 is the stronger choice for coding tasks.
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Google DeepMind
Gemini 2.5 Pro, released by Google in May 2025, is a large language model from the Gemini 2.5 family designed for complex reasoning, coding, and long-context analysis tasks. It features a 1M token context window, native support for text, image, video, and audio input, and integrated thinking capabilities for multi-step problem solving. Gemini 2.5 Pro targets advanced coding workflows, scientific reasoning, and applications requiring deep understanding across large, mixed-modality contexts.
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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.
6 months newer
Gemini 2.5 Pro
Google DeepMind
2025-05-20
GPT-5.2
OpenAI
2025-12-11
Performance Metrics
Context window and performance specifications
Average performance across 5 common benchmarks
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Gemini 2.5 Pro
Average Score:27.0%
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GPT-5.2
Average Score:63.6%(+36.6%)
Performance comparison across key benchmark categories
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Gemini 2.5 Pro
Science77.2%
Agents15.6%
Tool Use8.8%
Reasoning17.8%
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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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Gemini 2.5 Pro
2 providers
Google Cloud Vertex AI
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GPT-5.2
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Gemini 2.5 Pro
Avg Score:27.0%
Providers:2
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GPT-5.2
Avg Score:63.6%(+36.6%)
Providers:0