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Claude Opus 4.1 vs Kimi K2-Instruct-0905
Comprehensive side-by-side LLM comparison
Claude Opus 4.1 leads with 15.3% higher average benchmark score. Claude Opus 4.1 supports multimodal inputs. Claude Opus 4.1 is available on 4 providers. Overall, Claude Opus 4.1 is the stronger choice for coding tasks.
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Anthropic
Claude Opus 4.1 represents an iteration within the Claude 4 Opus line, built to deliver refined performance in complex reasoning and analysis tasks. Developed as part of Anthropic's flagship tier, it incorporates improvements to the foundational capabilities that define the Opus family of models.
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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.
1 month newer
Claude Opus 4.1
Anthropic
2025-08-05
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 4.1
Average Score:69.2%(+15.3%)
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Kimi K2-Instruct-0905
Average Score:53.8%
Performance comparison across key benchmark categories
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Claude Opus 4.1
Coding74.5%(+8.7%)
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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 4.1
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 4.1
Avg Score:69.2%(+15.3%)
Providers:4
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Kimi K2-Instruct-0905
Avg Score:53.8%
Providers:0