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Claude 3.5 Sonnet vs Kimi K2 0905
Comprehensive side-by-side LLM comparison
Kimi K2 0905 leads with 5.0% higher average benchmark score. Kimi K2 0905 offers 124.3K more tokens in context window than Claude 3.5 Sonnet. Kimi K2 0905 is $14.90 cheaper per million tokens. Claude 3.5 Sonnet supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
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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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Moonshot AI
Kimi K2 was introduced as the second generation of Moonshot's language model family, designed to provide enhanced capabilities across language understanding and generation. Built with architectural improvements and expanded training, it represents a significant advancement in Moonshot's model offerings.
10 months newer
Claude 3.5 Sonnet
Anthropic
2024-10-22
Kimi K2 0905
Moonshot AI
2025-09-05
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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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Kimi K2 0905
Input:$0.60
Output:$2.50($14.90 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 5 common benchmarks
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Claude 3.5 Sonnet
Average Score:81.4%
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Kimi K2 0905
Average Score:86.4%(+5.0%)
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:81.4%
Providers:3
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Kimi K2 0905
Avg Score:86.4%(+5.0%)
Providers:2