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Kimi-k1.5 vs o3
Comprehensive side-by-side LLM comparison
o3 leads with 13.0% higher average benchmark score. Overall, o3 is the stronger choice for coding tasks.
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Moonshot AI
Kimi K1.5 was developed by Moonshot AI as an advanced language model with extended context capabilities, designed to handle long documents and conversations. Built to excel at tasks requiring comprehension of extensive information, it represents Moonshot's approach to long-context language understanding.
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OpenAI
o3 represents the next generation in OpenAI's reasoning model series, developed to advance the capabilities of deliberate, step-by-step problem solving. Built to handle increasingly complex challenges across mathematics, science, and coding, it continues the evolution of reasoning-focused AI with improved analytical depth and accuracy.
2 months newer
Kimi-k1.5
Moonshot AI
2025-01-20
o3
OpenAI
2025-04-16
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Performance Metrics
Context window and performance specifications
Average performance across 3 common benchmarks
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Kimi-k1.5
Average Score:74.1%
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o3
Average Score:87.1%(+13.0%)
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Knowledge Cutoff
Training data recency comparison
o3
2024-05-31
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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Kimi-k1.5
0 providers
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o3
1 providers
OpenAI
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Kimi-k1.5
Avg Score:74.1%
Providers:0
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o3
Avg Score:87.1%(+13.0%)
Providers:1