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Gemini 2.5 Flash vs GPT-4
Comprehensive side-by-side LLM comparison
GPT-4 leads with 2.3% higher average benchmark score. Gemini 2.5 Flash offers 1.0M more tokens in context window than GPT-4. Gemini 2.5 Flash is $87.20 cheaper per million tokens. Both models have their strengths depending on your specific coding needs.
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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-4 is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 77.7% across 12 benchmarks. It excels particularly in AI2 Reasoning Challenge (ARC) (96.3%), HellaSwag (95.3%), Uniform Bar Exam (90.0%). The model is available through 2 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly.
1 year newer
GPT-4
OpenAI
2023-06-13
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($87.20 cheaper)
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GPT-4
Input:$30.00
Output:$60.00
Performance Metrics
Context window and performance specifications
Average performance across 25 common benchmarks
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Gemini 2.5 Flash
Average Score:35.0%
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GPT-4
Average Score:37.3%(+2.3%)
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Knowledge Cutoff
Training data recency comparison
GPT-4
2022-12-31
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:35.0%
Providers:2
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GPT-4
Avg Score:37.3%(+2.3%)
Providers:2