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Gemini 3 Pro vs GPT-5
Comprehensive side-by-side LLM comparison
Gemini 3 Pro leads with 11.4% higher average benchmark score. Gemini 3 Pro offers 575.4K more tokens in context window than GPT-5. Gemini 3 Pro is $127.50 cheaper per million tokens. 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, released by OpenAI on August 7, 2025, is a large language model that combines direct generation and extended reasoning in a single unified system with a built-in routing mechanism. It features a 400K token context window, 128K maximum output tokens, native multimodal support (text, image, audio, video), and demonstrated strong results across coding, mathematics, visual understanding, and health benchmarks at release. GPT-5 targets complex multi-step tasks including advanced coding, mathematical problem solving, and long-context analysis.
3 months newer
GPT-5
OpenAI
2025-08-07
Gemini 3 Pro
Google DeepMind
2025-11-18
Pricing Comparison
Cost per million tokens (USD)
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Gemini 3 Pro
Input:$2.50
Output:$20.00($127.50 cheaper)
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GPT-5
Input:$30.00
Output:$120.00
Performance Metrics
Context window and performance specifications
Average performance across 7 common benchmarks
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Gemini 3 Pro
Average Score:63.8%(+11.4%)
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GPT-5
Average Score:52.4%
Performance comparison across key benchmark categories
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Gemini 3 Pro
Science91.9%(+4.6%)
Coding78.0%(+3.1%)
Agents61.6%(+16.7%)
Tool Use54.1%(+9.6%)
Reasoning37.5%(+12.2%)
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Knowledge Cutoff
Training data recency comparison
GPT-5
2025-05
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 3 Pro
2 providers
Google Cloud Vertex AI
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GPT-5
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Gemini 3 Pro
Avg Score:63.8%(+11.4%)
Providers:2
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GPT-5
Avg Score:52.4%
Providers:1