AI Proxy with Support for OpenAI, Anthropic, LLaMa2, Mistral
Introducing Braintrust's latest feature: an AI proxy that lets you use open source models like LLaMa 2 and Mistral, as well as all of OpenAI's and Anthropic's models, behind a single interface with caching, security, and API key management built in.
AI Proxy with Support for OpenAI, Anthropic, LLaMa2, Mistral launched on November 20, 2023 with 10 votes, #1,426 of 4,332 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 2 years on.
In plain words
AI Proxy is a unified interface that routes requests to multiple large language models including OpenAI, Anthropic, LLaMa2, and Mistral. It allows developers to access different AI models through a single proxy layer rather than managing separate integrations. The tool is designed for teams and developers who need flexibility in choosing between various language models while simplifying their backend infrastructure.
written from the facts on this page · September 2026
From the sources
Like most of us, I spent last weekend thinking about the past, present, and future of AI. It's hard to imagine the industry without OpenAI — an institution we all look to, respect, and rely on — at its forefront. I for one am rooting for the company and brilliant folks who work there to continue leading the way. However, I also realized that the AI ecosystem benefits from being interoperable and default open and that we at Braintrust have an important role to play in that. This weekend felt like the perfect time to address these challenges. I'm very excited to announce the newest feature of Braintrust: an AI proxy. The proxy addresses the above pain points by embracing OpenAI's interface as…from braintrustdata.com
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