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Gemini 3 Pro vs GPT-5 Mini
Comprehensive side-by-side LLM comparison
Gemini 3 Pro leads with 18.1% higher average benchmark score. Gemini 3 Pro offers 575.4K more tokens in context window than GPT-5 Mini. Gemini 3 Pro is $2.50 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 mini, released by OpenAI in August 2025, is a smaller variant from the GPT-5 family that inherits GPT-5's unified reasoning architecture and multimodal capabilities at a reduced inference cost. It targets high-volume production use cases requiring a balance of intelligence and response speed, offering GPT-5 capabilities for applications where full GPT-5 inference costs are a concern.
3 months newer
GPT-5 Mini
OpenAI
2025-08
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($2.50 cheaper)
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GPT-5 Mini
Input:$5.00
Output:$20.00
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Gemini 3 Pro
Average Score:37.5%(+18.1%)
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GPT-5 Mini
Average Score:19.4%
Performance comparison across key benchmark categories
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Gemini 3 Pro
Reasoning37.5%(+18.1%)
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GPT-5 Mini
Reasoning19.4%
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 Mini
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Gemini 3 Pro
Avg Score:37.5%(+18.1%)
Providers:2
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GPT-5 Mini
Avg Score:19.4%
Providers:1