A recent Reddit post highlighted that the top four language models (LLMs) on the OpenRouter platform are now all open-weight. This means that the model weights are publicly available, allowing anyone to download, use, and modify them.

Implications

This event could represent a pivotal moment for the open-source community. Traditionally, proprietary models have dominated performance benchmarks, but the increasing quality and accessibility of open-weight models are changing the landscape.

For those evaluating on-premise deployments, there are trade-offs between open and closed models, which AI-RADAR analyzes in detail in the /llm-onpremise section.

OpenRouter

OpenRouter is a platform that allows developers to access various LLMs through a single API, simplifying the integration and comparison of different models. Its leaderboard reflects the current state of the art in the world of language models.