Comprehensive side-by-side LLM comparison
Kimi K2 Instruct leads with 50.1% higher average benchmark score. GPT OSS 120B is $2.33 cheaper per million tokens. GPT OSS 120B is available on 5 providers. Overall, Kimi K2 Instruct 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 is a language model developed by Moonshot AI. It achieves strong performance with an average score of 66.7% across 38 benchmarks. It excels particularly in MATH-500 (97.4%), GSM8k (97.3%), CBNSL (95.6%). It supports a 262K token context window for handling large documents. The model is available through 1 API provider. 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.
25 days newer
Kimi K2 Instruct
Moonshot AI
2025-07-11
GPT OSS 120B
OpenAI
2025-08-05
Cost per million tokens (USD)
GPT OSS 120B
Kimi K2 Instruct
Context window and performance specifications
Average performance across 42 common benchmarks
GPT OSS 120B
Kimi K2 Instruct
Available providers and their performance metrics
GPT OSS 120B
DeepInfra
Groq
Novita
OpenAI
ZeroEval
GPT OSS 120B
Kimi K2 Instruct
GPT OSS 120B
Kimi K2 Instruct
Kimi K2 Instruct
Novita