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Kimi K2-Instruct-0905 vs o4-mini
Comprehensive side-by-side LLM comparison
o4-mini leads with 16.9% higher average benchmark score. o4-mini supports multimodal inputs. Overall, o4-mini 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
o4-mini was created as part of the next generation of OpenAI's reasoning models, designed to continue advancing the balance between analytical capability and operational efficiency. Built to bring cutting-edge reasoning techniques to applications requiring quick turnaround, it represents the evolution of compact reasoning-focused models.
4 months newer
o4-mini
OpenAI
2025-04-16
Kimi K2-Instruct-0905
Moonshot AI
2025-09-05
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Performance Metrics
Context window and performance specifications
Average performance across 5 common benchmarks
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Kimi K2-Instruct-0905
Average Score:64.0%
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o4-mini
Average Score:80.9%(+16.9%)
Performance comparison across key benchmark categories
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Kimi K2-Instruct-0905
Coding65.8%
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o4-mini
Coding68.1%(+2.3%)
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Knowledge Cutoff
Training data recency comparison
o4-mini
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 K2-Instruct-0905
0 providers
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o4-mini
1 providers
OpenAI
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Kimi K2-Instruct-0905
Avg Score:64.0%
Providers:0
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o4-mini
Avg Score:80.9%(+16.9%)
Providers:1