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Gemini 3 Flash vs GPT-5 Pro
Comprehensive side-by-side LLM comparison
Gemini 3 Flash is available on 2 providers. Both models have their strengths depending on your specific coding needs.
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Google DeepMind
Gemini 3 Flash, released by Google in December 2025, is a large language model from the Gemini 3 family that delivers reasoning and coding performance with efficiency optimized for high-volume workloads. It features a 1M token context window, 64K maximum output tokens, and native support for text, image, audio, video, and PDF input. Gemini 3 Flash targets cost-sensitive agentic workflows, document processing, and production APIs requiring fast, capable multimodal responses.
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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.
4 months newer
GPT-5 Pro
OpenAI
2025-08-07
Gemini 3 Flash
Google DeepMind
2025-12-17
Performance Metrics
Context window and performance specifications
Provider Availability & Performance
Available providers and their performance metrics
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Gemini 3 Flash
2 providers
Google Cloud Vertex AI
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GPT-5 Pro
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Gemini 3 Flash
Avg Score:0.0%
Providers:2
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GPT-5 Pro
Avg Score:0.0%
Providers:0