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Gemini 1.5 Flash vs Gemini 2.0 Flash Thinking
Comprehensive side-by-side LLM comparison
Gemini 2.0 Flash Thinking leads with 18.1% higher average benchmark score. Overall, Gemini 2.0 Flash Thinking is the stronger choice for coding tasks.
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Gemini 1.5 Flash was created as a fast and efficient multimodal model, designed to provide quick responses while handling text, images, and other modalities. Built for applications requiring low latency and high throughput, it balances capability with speed to serve real-time and high-volume use cases.
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Gemini 2.0 Flash Thinking was developed to incorporate extended reasoning capabilities into the Flash family, designed to combine quick response times with deeper analytical processing. Built to handle tasks requiring both speed and thoughtful problem-solving, it bridges the gap between fast inference and reasoning-enhanced models.
8 months newer
Gemini 1.5 Flash
2024-05-01
Gemini 2.0 Flash Thinking
2025-01-21
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Performance Metrics
Context window and performance specifications
Average performance across 2 common benchmarks
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Gemini 1.5 Flash
Average Score:56.6%
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Gemini 2.0 Flash Thinking
Average Score:74.8%(+18.1%)
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Knowledge Cutoff
Training data recency comparison
Gemini 1.5 Flash
2023-11-01
Gemini 2.0 Flash Thinking
2024-08-01
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 1.5 Flash
1 providers
Throughput: 150 tok/s
Latency: 0.3ms
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Gemini 2.0 Flash Thinking
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Gemini 1.5 Flash
Avg Score:56.6%
Providers:1
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Gemini 2.0 Flash Thinking
Avg Score:74.8%(+18.1%)
Providers:0