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Gemini 2.5 Flash vs GPT-5 mini
Comprehensive side-by-side LLM comparison
GPT-5 mini leads with 8.1% higher average benchmark score. Gemini 2.5 Flash offers 586.1K more tokens in context window than GPT-5 mini. GPT-5 mini is $0.55 cheaper per million tokens. Overall, GPT-5 mini is the stronger choice for coding tasks.
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Gemini 2.5 Flash represents a continued evolution of Google's efficient multimodal models, designed to deliver enhanced capabilities while maintaining the performance characteristics valued in the Flash series. Built to serve high-throughput applications with improved quality, it advances the balance between speed and intelligence.
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OpenAI
GPT-5 Mini was created as a more accessible version of GPT-5, designed to provide strong capabilities with improved efficiency and lower operational costs. Built to extend GPT-5's advancements to a broader range of applications, it balances advanced performance with practical deployment considerations.
2 months newer
Gemini 2.5 Flash
2025-05-20
GPT-5 mini
OpenAI
2025-08-07
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Pricing Comparison
Cost per million tokens (USD)
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Gemini 2.5 Flash
Input:$0.30
Output:$2.50
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GPT-5 mini
Input:$0.25
Output:$2.00($0.55 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 3 common benchmarks
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Gemini 2.5 Flash
Average Score:55.3%
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GPT-5 mini
Average Score:63.4%(+8.1%)
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Knowledge Cutoff
Training data recency comparison
GPT-5 mini
2024-05-30
Gemini 2.5 Flash
2025-01-31
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 2.5 Flash
2 providers
Throughput: 85 tok/s
Latency: 0.7ms
ZeroEval
Throughput: 85 tok/s
Latency: 0.7ms
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Gemini 2.5 Flash
Avg Score:55.3%
Providers:2
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GPT-5 mini
Avg Score:63.4%(+8.1%)
Providers:2