Comprehensive side-by-side LLM comparison
Kimi K2-Instruct-0905 leads with 42.0% higher average benchmark score. GPT OSS 120B is available on 5 providers. Overall, Kimi K2-Instruct-0905 is the stronger choice for coding tasks.
OpenAI
GPT OSS 120B is a language model developed by OpenAI. It achieves strong performance with an average score of 61.7% across 7 benchmarks. It excels particularly in MMLU (90.0%), CodeForces (87.4%), GPQA (80.1%). It supports a 262K token context window for handling large documents. The model is available through 5 API providers. It's licensed for commercial use, making it suitable for enterprise applications. Released in 2025, it represents OpenAI's latest advancement in AI technology.
Moonshot AI
Kimi K2-Instruct-0905 is a language model developed by Moonshot AI. It achieves strong performance with an average score of 64.1% across 29 benchmarks. It excels particularly in MATH-500 (97.4%), MMLU-Redux (92.7%), IFEval (89.8%). 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 month newer
GPT OSS 120B
OpenAI
2025-08-05
Kimi K2-Instruct-0905
Moonshot AI
2025-09-05
Context window and performance specifications
Average performance across 34 common benchmarks
GPT OSS 120B
Kimi K2-Instruct-0905
Available providers and their performance metrics
GPT OSS 120B
DeepInfra
Groq
Novita
OpenAI
ZeroEval
GPT OSS 120B
Kimi K2-Instruct-0905
GPT OSS 120B
Kimi K2-Instruct-0905
Kimi K2-Instruct-0905