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Gemini 3 Pro vs GPT-5 Pro
Comprehensive side-by-side LLM comparison
Gemini 3 Pro leads with 5.9% higher average benchmark score. Gemini 3 Pro is available on 2 providers. Overall, Gemini 3 Pro is the stronger choice for coding tasks.
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Google DeepMind
Gemini 3 Pro, released by Google in November 2025, is a large language model from the Gemini 3 family designed for complex reasoning, broad world knowledge, and multi-step problem solving. It features a 1M token context window, 64K maximum output tokens, and native multimodal input including text, images, audio, and video. Gemini 3 Pro targets research-grade reasoning, advanced data analysis, and applications requiring comprehensive understanding across diverse input formats.
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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.
3 months newer
GPT-5 Pro
OpenAI
2025-08-07
Gemini 3 Pro
Google DeepMind
2025-11-18
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Gemini 3 Pro
Average Score:37.5%(+5.9%)
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GPT-5 Pro
Average Score:31.6%
Performance comparison across key benchmark categories
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Gemini 3 Pro
Reasoning37.5%(+5.9%)
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GPT-5 Pro
Reasoning31.6%
Provider Availability & Performance
Available providers and their performance metrics
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Gemini 3 Pro
2 providers
Google Cloud Vertex AI
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GPT-5 Pro
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Gemini 3 Pro
Avg Score:37.5%(+5.9%)
Providers:2
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GPT-5 Pro
Avg Score:31.6%
Providers:0