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Gemini 3 Pro vs GPT-5.1
Comprehensive side-by-side LLM comparison
Gemini 3 Pro leads with 3.7% higher average benchmark score. Gemini 3 Pro is available on 2 providers. Both models have their strengths depending on your specific coding needs.
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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-5.1, released by OpenAI in November 2025, is a large language model from the GPT-5 family that delivers incremental improvements in reasoning, instruction following, and multimodal understanding over GPT-5. It features a 400K token context window and targets general-purpose development, long-context analysis, and agentic workflows.
17 days newer
GPT-5.1
OpenAI
2025-11
Gemini 3 Pro
Google DeepMind
2025-11-18
Performance Metrics
Context window and performance specifications
Average performance across 4 common benchmarks
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Gemini 3 Pro
Average Score:69.8%(+3.7%)
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GPT-5.1
Average Score:66.1%
Performance comparison across key benchmark categories
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Gemini 3 Pro
Science91.9%(+3.8%)
Coding78.0%(+1.7%)
Finance55.2%
Tool Use54.1%(+9.6%)
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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-5.1
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Gemini 3 Pro
Avg Score:69.8%(+3.7%)
Providers:2
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GPT-5.1
Avg Score:66.1%
Providers:0