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GPT-4.1 vs Kimi K2 0905
Comprehensive side-by-side LLM comparison
Kimi K2 0905 leads with 11.1% higher average benchmark score. GPT-4.1 offers 556.1K more tokens in context window than Kimi K2 0905. Kimi K2 0905 is $6.90 cheaper per million tokens. GPT-4.1 supports multimodal inputs. Overall, Kimi K2 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 was introduced as the second generation of Moonshot's language model family, designed to provide enhanced capabilities across language understanding and generation. Built with architectural improvements and expanded training, it represents a significant advancement in Moonshot's model offerings.
4 months newer
GPT-4.1
OpenAI
2025-04-14
Kimi K2 0905
Moonshot AI
2025-09-05
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Pricing Comparison
Cost per million tokens (USD)
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GPT-4.1
Input:$2.00
Output:$8.00
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Kimi K2 0905
Input:$0.60
Output:$2.50($6.90 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 3 common benchmarks
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GPT-4.1
Average Score:68.2%
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Kimi K2 0905
Average Score:79.3%(+11.1%)
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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 0905
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GPT-4.1
Avg Score:68.2%
Providers:1
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Kimi K2 0905
Avg Score:79.3%(+11.1%)
Providers:2