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GPT-4o vs Kimi K2 0905
Comprehensive side-by-side LLM comparison
Kimi K2 0905 leads with 19.2% higher average benchmark score. Kimi K2 0905 offers 379.9K more tokens in context window than GPT-4o. Kimi K2 0905 is $9.40 cheaper per million tokens. GPT-4o supports multimodal inputs. Overall, Kimi K2 0905 is the stronger choice for coding tasks.
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OpenAI
This updated version of GPT-4o was released with refinements to its multimodal capabilities and improved performance across text, vision, and audio tasks. Built to incorporate learnings from the initial GPT-4o deployment, it enhanced reliability and accuracy while maintaining the seamless cross-modal reasoning that defines the GPT-4o family.
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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.
1 year newer
GPT-4o
OpenAI
2024-08-06
Kimi K2 0905
Moonshot AI
2025-09-05
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Pricing Comparison
Cost per million tokens (USD)
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GPT-4o
Input:$2.50
Output:$10.00
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Kimi K2 0905
Input:$0.60
Output:$2.50($9.40 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 4 common benchmarks
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GPT-4o
Average Score:60.9%
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Kimi K2 0905
Average Score:80.1%(+19.2%)
Provider Availability & Performance
Available providers and their performance metrics
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GPT-4o
2 providers
Azure
Throughput: 99 tok/s
Latency: 0.53ms
OpenAI
Throughput: 132 tok/s
Latency: 0.5ms
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GPT-4o
Avg Score:60.9%
Providers:2
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Kimi K2 0905
Avg Score:80.1%(+19.2%)
Providers:2