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GPT-4o vs Kimi K2 Base
Comprehensive side-by-side LLM comparison
GPT-4o leads with 24.2% higher average benchmark score. GPT-4o supports multimodal inputs. GPT-4o is available on 2 providers. Overall, GPT-4o is the stronger choice for coding tasks.
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OpenAI
GPT-4o is a multimodal language model developed by OpenAI. The model shows competitive results across 39 benchmarks. It excels particularly in AI2D (94.2%), DocVQA (92.8%), ChartQA (85.7%). It supports a 144K token context window for handling large documents. The model is available through 2 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2024, it represents OpenAI's latest advancement in AI technology.
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Moonshot AI
Kimi K2 Base is a language model developed by Moonshot AI. It achieves strong performance with an average score of 69.2% across 13 benchmarks. It excels particularly in C-Eval (92.5%), GSM8k (92.1%), MMLU-redux-2.0 (90.2%). It's licensed for commercial use, making it suitable for enterprise applications. Released in 2025, it represents Moonshot AI's latest advancement in AI technology.
11 months newer
GPT-4o
OpenAI
2024-08-06
Kimi K2 Base
Moonshot AI
2025-07-11
Performance Metrics
Context window and performance specifications
Average performance across 48 common benchmarks
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GPT-4o
Average Score:42.9%(+24.2%)
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Kimi K2 Base
Average Score:18.7%
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:42.9%(+24.2%)
Providers:2
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Kimi K2 Base
Avg Score:18.7%
Providers:0