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Claude Sonnet 4.5 vs Gemini 2.0 Flash Thinking
Comprehensive side-by-side LLM comparison
Claude Sonnet 4.5 leads with 9.2% higher average benchmark score. Claude Sonnet 4.5 is available on 2 providers. Overall, Claude Sonnet 4.5 is the stronger choice for coding tasks.
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Anthropic
Claude Sonnet 4.5 was developed to bridge human thinking and machine assistance, allowing people to work with language and tools in a more conversational and natural way. Built with a focus on turning ideas into results, it represents an evolution in making AI feel less mechanical while maintaining strong capabilities across reasoning, coding, and collaborative tasks.
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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 2.0 Flash Thinking
2025-01-21
Claude Sonnet 4.5
Anthropic
2025-09-29
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Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Claude Sonnet 4.5
Average Score:83.4%(+9.2%)
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Gemini 2.0 Flash Thinking
Average Score:74.2%
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Knowledge Cutoff
Training data recency comparison
Gemini 2.0 Flash Thinking
2024-08-01
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:83.4%(+9.2%)
Providers:2
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Gemini 2.0 Flash Thinking
Avg Score:74.2%
Providers:0