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Claude 3.5 Sonnet vs Gemini 2.5 Flash
Comprehensive side-by-side LLM comparison
Claude 3.5 Sonnet leads with 17.3% 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, Claude 3.5 Sonnet is the stronger choice for coding tasks.
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Anthropic
Claude 3.5 Sonnet is a multimodal language model developed by Anthropic. It achieves strong performance with an average score of 73.3% across 19 benchmarks. It excels particularly in GSM8k (96.4%), DocVQA (95.2%), AI2D (94.7%). It supports a 400K token context window for handling large documents. The model is available through 3 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2024, it represents Anthropic's latest advancement in AI technology.
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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.
7 months newer
Claude 3.5 Sonnet
Anthropic
2024-10-22
Gemini 2.5 Flash
2025-05-20
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 30 common benchmarks
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Claude 3.5 Sonnet
Average Score:46.4%(+17.3%)
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Gemini 2.5 Flash
Average Score:29.1%
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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:46.4%(+17.3%)
Providers:3
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Gemini 2.5 Flash
Avg Score:29.1%
Providers:2