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Gemini 2.5 Flash vs GPT-4o mini
Comprehensive side-by-side LLM comparison
Gemini 2.5 Flash leads with 15.2% higher average benchmark score. Gemini 2.5 Flash offers 969.7K more tokens in context window than GPT-4o mini. GPT-4o mini is $2.05 cheaper per million tokens. Overall, Gemini 2.5 Flash is the stronger choice for coding tasks.
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Gemini 2.5 Flash is a multimodal language model developed by Google. It achieves strong performance with an average score of 62.5% across 14 benchmarks. It excels particularly in Global-MMLU-Lite (88.4%), AIME 2024 (88.0%), FACTS Grounding (85.3%). With a 1.1M token context window, it can handle extensive documents and complex multi-turn conversations. The model is available through 2 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents Google's latest advancement in AI technology.
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OpenAI
GPT-4o mini is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 63.5% across 9 benchmarks. It excels particularly in HumanEval (87.2%), MGSM (87.0%), MMLU (82.0%). It supports a 144K token context window for handling large documents. The model is available through 1 API provider. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2024, it represents OpenAI's latest advancement in AI technology.
10 months newer
GPT-4o mini
OpenAI
2024-07-18
Gemini 2.5 Flash
2025-05-20
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-4o mini
Input:$0.15
Output:$0.60($2.05 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 20 common benchmarks
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Gemini 2.5 Flash
Average Score:43.7%(+15.2%)
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GPT-4o mini
Average Score:28.6%
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Knowledge Cutoff
Training data recency comparison
GPT-4o mini
2023-10-01
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:43.7%(+15.2%)
Providers:2
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GPT-4o mini
Avg Score:28.6%
Providers:1