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Kimi K2-Instruct-0905 vs o1
Comprehensive side-by-side LLM comparison
Kimi K2-Instruct-0905 leads with 1.4% higher average benchmark score. o1 is available on 2 providers. Both models have their strengths depending on your specific coding needs.
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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 was developed as part of OpenAI's reasoning-focused model series, designed to spend more time thinking before responding. Built to excel at complex reasoning tasks in science, coding, and mathematics, it employs extended internal reasoning processes to solve harder problems than traditional language models through careful step-by-step analysis.
8 months newer
o1
OpenAI
2024-12-17
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%(+1.4%)
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o1
Average Score:66.5%
Performance comparison across key benchmark categories
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Kimi K2-Instruct-0905
Coding65.8%(+24.8%)
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o1
Coding41.0%
Provider Availability & Performance
Available providers and their performance metrics
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Kimi K2-Instruct-0905
0 providers
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o1
2 providers
Azure
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Kimi K2-Instruct-0905
Avg Score:67.9%(+1.4%)
Providers:0
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o1
Avg Score:66.5%
Providers:2