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Claude Opus 4 vs Kimi K2-Instruct-0905
Comprehensive side-by-side LLM comparison
Claude Opus 4 leads with 12.8% higher average benchmark score. Claude Opus 4 supports multimodal inputs. Claude Opus 4 is available on 4 providers. Overall, Claude Opus 4 is the stronger choice for coding tasks.
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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 Instruct-0905 represents a specific release iteration of the K2 Instruct model, developed to incorporate refinements and improvements. Built to provide enhanced instruction-following based on deployment feedback, it continues the evolution of Moonshot's instruction-tuned offerings.
3 months newer
Claude Opus 4
Anthropic
2025-05-22
Kimi K2-Instruct-0905
Moonshot AI
2025-09-05
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Performance Metrics
Context window and performance specifications
Average performance across 4 common benchmarks
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Claude Opus 4
Average Score:66.7%(+12.8%)
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Kimi K2-Instruct-0905
Average Score:53.8%
Performance comparison across key benchmark categories
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Claude Opus 4
Coding72.5%(+6.7%)
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Kimi K2-Instruct-0905
Coding65.8%
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:66.7%(+12.8%)
Providers:4
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Kimi K2-Instruct-0905
Avg Score:53.8%
Providers:0