Self-Hosted LLMs — 2026 Rankings
Self-Hosted LLM Leaderboard
The definitive ranking of self-hostable LLMs for enterprise — compared across quality, speed, hardware requirements, and cost. Find the best open-weight model for your infrastructure.
LLM Leaderboard
This LLM leaderboard displays the latest public benchmark performance for SOTA model versions released after April 2024. The data comes from model providers as well as independently run evaluations by Vellum or the open-source community. We feature results from non-saturated benchmarks, excluding outdated benchmarks (e.g. MMLU).
Comparison of Open Source Models
Comparison and analysis of open source AI models across key performance metrics including quality, performance, inference speed, context window, parameter count & licensing details. Models are considered Open Source (also commonly referred to as open weights) where their weights are accessible to download. This allows self-hosting on your own infrastructure and enables customizing the model such as through fine-tuning. Click on any model to see detailed metrics. For more details relating to our methodology, see our FAQs.
Z AI logo
GLM-5.1
and Z AI logo
GLM-5
are the highest intelligence open source models, followed by Kimi logo
Kimi K2.5
& Alibaba logo
Qwen3.5 397B A17B
.