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Kimi K2-Instruct-0905 vs o1-preview
Comprehensive side-by-side LLM comparison
Kimi K2-Instruct-0905 leads with 10.9% higher average benchmark score. o1-preview is available on 2 providers. Overall, Kimi K2-Instruct-0905 is the stronger choice for coding tasks.
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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.
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OpenAI
o1-preview was introduced as an early version of OpenAI's reasoning model series, designed to demonstrate the potential of AI models that engage in extended thinking before responding. Built to solve complex problems through deliberate reasoning processes, it represented an initial step toward more thoughtful and analytical AI systems.
11 months newer
o1-preview
OpenAI
2024-09-12
Kimi K2-Instruct-0905
Moonshot AI
2025-09-05
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Performance Metrics
Context window and performance specifications
Average performance across 6 common benchmarks
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Kimi K2-Instruct-0905
Average Score:67.9%(+10.9%)
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o1-preview
Average Score:57.0%
Performance comparison across key benchmark categories
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Kimi K2-Instruct-0905
Coding65.8%(+24.5%)
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o1-preview
Coding41.3%
Provider Availability & Performance
Available providers and their performance metrics
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Kimi K2-Instruct-0905
0 providers
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o1-preview
2 providers
Azure
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Kimi K2-Instruct-0905
Avg Score:67.9%(+10.9%)
Providers:0
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o1-preview
Avg Score:57.0%
Providers:2