Comprehensive side-by-side LLM comparison
Kimi K2 Base leads with 16.5% higher average benchmark score. GPT-4o supports multimodal inputs. GPT-4o is available on 2 providers. Overall, Kimi K2 Base is the stronger choice for coding tasks.
OpenAI
GPT-4o is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 77.4% across 8 benchmarks. It excels particularly in MGSM (90.5%), HumanEval (90.2%), MMLU (88.7%). It supports a 132K 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.
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.
1 year newer
GPT-4o
OpenAI
2024-05-13
Kimi K2 Base
Moonshot AI
2025-07-11
Context window and performance specifications
Average performance across 17 common benchmarks
GPT-4o
Kimi K2 Base
Available providers and their performance metrics
GPT-4o
Azure
OpenAI
GPT-4o
Kimi K2 Base
GPT-4o
Kimi K2 Base
Kimi K2 Base