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GPT-4.1 vs Kimi K2-Instruct-0905
Comprehensive side-by-side LLM comparison
Kimi K2-Instruct-0905 leads with 8.9% higher average benchmark score. GPT-4.1 supports multimodal inputs. Overall, Kimi K2-Instruct-0905 is the stronger choice for coding tasks.
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OpenAI
GPT-4.1 represents an iterative improvement in the GPT-4 series, developed to refine the foundational capabilities established by GPT-4. Built to incorporate learnings and optimizations from the deployment of previous versions, it continues the evolution of OpenAI's flagship model line with enhanced reliability and performance.
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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.
4 months newer
GPT-4.1
OpenAI
2025-04-14
Kimi K2-Instruct-0905
Moonshot AI
2025-09-05
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Performance Metrics
Context window and performance specifications
Average performance across 9 common benchmarks
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GPT-4.1
Average Score:56.9%
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Kimi K2-Instruct-0905
Average Score:65.8%(+8.9%)
Performance comparison across key benchmark categories
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GPT-4.1
Coding54.6%
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Kimi K2-Instruct-0905
Coding65.8%(+11.2%)
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Knowledge Cutoff
Training data recency comparison
GPT-4.1
2024-06-01
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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GPT-4.1
1 providers
OpenAI
Throughput: 100 tok/s
Latency: 10ms
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Kimi K2-Instruct-0905
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GPT-4.1
Avg Score:56.9%
Providers:1
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Kimi K2-Instruct-0905
Avg Score:65.8%(+8.9%)
Providers:0