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Claude Sonnet 4.5 vs Gemini 2.0 Flash-Lite
Comprehensive side-by-side LLM comparison
Gemini 2.0 Flash-Lite leads with 4.0% higher average benchmark score. Gemini 2.0 Flash-Lite offers 792.8K more tokens in context window than Claude Sonnet 4.5. Gemini 2.0 Flash-Lite is $17.63 cheaper per million tokens. Both models have their strengths depending on your specific coding needs.
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Anthropic
Claude Sonnet 4.5 is a multimodal language model developed by Anthropic. It achieves strong performance with an average score of 75.8% across 9 benchmarks. It excels particularly in MMMLU (89.1%), AIME 2025 (87.0%), TAU-bench Retail (86.2%). It supports a 264K token context window for handling large documents. 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 Anthropic's latest advancement in AI technology.
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Gemini 2.0 Flash-Lite is a multimodal language model developed by Google. The model shows competitive results across 13 benchmarks. It excels particularly in MATH (86.8%), FACTS Grounding (83.6%), Global-MMLU-Lite (78.2%). With a 1.1M token context window, it can handle extensive documents and complex multi-turn conversations. 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 2025, it represents Google's latest advancement in AI technology.
7 months newer
Gemini 2.0 Flash-Lite
2025-02-05
Claude Sonnet 4.5
Anthropic
2025-09-29
Pricing Comparison
Cost per million tokens (USD)
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Claude Sonnet 4.5
Input:$3.00
Output:$15.00
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Gemini 2.0 Flash-Lite
Input:$0.07
Output:$0.30($17.63 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 21 common benchmarks
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Claude Sonnet 4.5
Average Score:32.5%
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Gemini 2.0 Flash-Lite
Average Score:36.5%(+4.0%)
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Knowledge Cutoff
Training data recency comparison
Gemini 2.0 Flash-Lite
2024-06-01
Claude Sonnet 4.5
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 Sonnet 4.5
2 providers
Anthropic
Throughput: 42 tok/s
Latency: 0.4ms
ZeroEval
Throughput: 42 tok/s
Latency: 0.4ms
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Claude Sonnet 4.5
Avg Score:32.5%
Providers:2
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Gemini 2.0 Flash-Lite
Avg Score:36.5%(+4.0%)
Providers:1