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Claude Opus 4 vs Kimi K2 0905
Comprehensive side-by-side LLM comparison
Claude Opus 4 leads with 3.8% higher average benchmark score. Kimi K2 0905 offers 196.3K more tokens in context window than Claude Opus 4. Kimi K2 0905 is $86.90 cheaper per million tokens. Claude Opus 4 supports multimodal inputs. Claude Opus 4 is available on 4 providers. Both models have their strengths depending on your specific coding needs.
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Anthropic
Claude Opus 4 was developed as the flagship model in the Claude 4 generation, designed to push the boundaries of AI capability in complex reasoning, analysis, and multi-step problem-solving. Built to handle the most demanding enterprise tasks, it represents Anthropic's highest tier of intelligence and capability.
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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.
3 months newer
Claude Opus 4
Anthropic
2025-05-22
Kimi K2 0905
Moonshot AI
2025-09-05
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Pricing Comparison
Cost per million tokens (USD)
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Claude Opus 4
Input:$15.00
Output:$75.00
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Kimi K2 0905
Input:$0.60
Output:$2.50($86.90 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Claude Opus 4
Average Score:79.6%(+3.8%)
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Kimi K2 0905
Average Score:75.8%
Provider Availability & Performance
Available providers and their performance metrics
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Claude Opus 4
4 providers
Anthropic
Throughput: 100 tok/s
Latency: 0.5ms
Bedrock
Throughput: 120 tok/s
Latency: 0.5ms
Throughput: 42 tok/s
Latency: 0.4ms
ZeroEval
Throughput: 42 tok/s
Latency: 0.4ms
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Claude Opus 4
Avg Score:79.6%(+3.8%)
Providers:4
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Kimi K2 0905
Avg Score:75.8%
Providers:2