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Claude 3.5 Sonnet vs Gemini 2.5 Flash
Comprehensive side-by-side LLM comparison
Gemini 2.5 Flash leads with 12.8% higher average benchmark score. Gemini 2.5 Flash offers 714.1K more tokens in context window than Claude 3.5 Sonnet. Gemini 2.5 Flash is $15.20 cheaper per million tokens. Overall, Gemini 2.5 Flash is the stronger choice for coding tasks.
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Anthropic
This upgraded version of Claude 3.5 Sonnet was released with significant improvements in coding and agentic tool use. Built to deliver enhanced performance in software engineering tasks, it brought substantial gains in reasoning and problem-solving while introducing the groundbreaking computer use capability in public beta, allowing it to interact with computer interfaces like a human.
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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.
7 months newer
Claude 3.5 Sonnet
Anthropic
2024-10-22
Gemini 2.5 Flash
2025-05-20
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Pricing Comparison
Cost per million tokens (USD)
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Claude 3.5 Sonnet
Input:$3.00
Output:$15.00
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Gemini 2.5 Flash
Input:$0.30
Output:$2.50($15.20 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 3 common benchmarks
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Claude 3.5 Sonnet
Average Score:61.5%
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Gemini 2.5 Flash
Average Score:74.3%(+12.8%)
Performance comparison across key benchmark categories
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Claude 3.5 Sonnet
Coding49.0%
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Gemini 2.5 Flash
Coding60.4%(+11.4%)
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Knowledge Cutoff
Training data recency comparison
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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Claude 3.5 Sonnet
3 providers
Anthropic
Throughput: 100 tok/s
Latency: 0.5ms
Bedrock
Throughput: 101 tok/s
Latency: 0.5ms
Throughput: 42 tok/s
Latency: 0.4ms
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Claude 3.5 Sonnet
Avg Score:61.5%
Providers:3
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Gemini 2.5 Flash
Avg Score:74.3%(+12.8%)
Providers:2