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Gemini 2.5 Flash vs GPT-5 Mini
Comprehensive side-by-side LLM comparison
GPT-5 Mini leads with 7.4% higher average benchmark score. Gemini 2.5 Flash offers 575.4K more tokens in context window than GPT-5 Mini. Gemini 2.5 Flash is $24.25 cheaper per million tokens. Overall, GPT-5 Mini is the stronger choice for coding tasks.
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Google DeepMind
Gemini 2.5 Flash, released by Google in June 2025, is a large language model from the Gemini 2.5 family optimized for high-throughput, cost-efficient deployments with multimodal reasoning. It features a 1M token context window, hybrid thinking control, and native support for text, image, video, and audio input. Gemini 2.5 Flash targets latency-sensitive applications, document analysis, and high-volume API workloads that benefit from combined reasoning and generation in a single model.
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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.
1 month newer
Gemini 2.5 Flash
Google DeepMind
2025-06-17
GPT-5 Mini
OpenAI
2025-08
Pricing Comparison
Cost per million tokens (USD)
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Gemini 2.5 Flash
Input:$0.15
Output:$0.60($24.25 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 2.5 Flash
Average Score:12.1%
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GPT-5 Mini
Average Score:19.4%(+7.4%)
Performance comparison across key benchmark categories
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Gemini 2.5 Flash
Reasoning12.1%
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GPT-5 Mini
Reasoning19.4%(+7.4%)
Provider Availability & Performance
Available providers and their performance metrics
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Gemini 2.5 Flash
2 providers
Google Cloud Vertex AI
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GPT-5 Mini
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Gemini 2.5 Flash
Avg Score:12.1%
Providers:2
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GPT-5 Mini
Avg Score:19.4%(+7.4%)
Providers:1