
LastMile AI is an enterprise-grade generative AI developer platform that provides essential tools for developers to test, evaluate, and benchmark AI applications. Its flagship product, AutoEval, offers out-of-the-box and customizable evaluation metrics for retrieval-augmented generation (RAG) and multi-agent AI applications, enabling rapid experimentation and fine-tuning of evaluator models. The platform supports synthetic data generation, real-time AI evaluation with low latency, continuous monitoring with guardrails, and private cloud deployment for data security and compliance. Founded by experienced engineers from Meta, OpenAI, Google, Microsoft, and Airbnb, LastMile AI aims to accelerate generative AI adoption by making AI accessible to software engineers and solving the last mile challenges of AI production readiness. The company offers a free tier for developers and an enterprise tier with advanced features and premium support, positioning itself as a key player in the generative AI evaluation and development market.

LastMile AI is an enterprise-grade generative AI developer platform that provides essential tools for developers to test, evaluate, and benchmark AI applications. Its flagship product, AutoEval, offers out-of-the-box and customizable evaluation metrics for retrieval-augmented generation (RAG) and multi-agent AI applications, enabling rapid experimentation and fine-tuning of evaluator models. The platform supports synthetic data generation, real-time AI evaluation with low latency, continuous monitoring with guardrails, and private cloud deployment for data security and compliance. Founded by experienced engineers from Meta, OpenAI, Google, Microsoft, and Airbnb, LastMile AI aims to accelerate generative AI adoption by making AI accessible to software engineers and solving the last mile challenges of AI production readiness. The company offers a free tier for developers and an enterprise tier with advanced features and premium support, positioning itself as a key player in the generative AI evaluation and development market.
Headquarters: New York, NY
Founded: 2023
Seed funding: $10M (Sep 14, 2023) led by Gradient
Product focus: Developer platform for building, evaluating, and deploying generative AI apps (AutoEval, AI Workbooks/Workflows/Templates)
Generative AI application development, evaluation, and production readiness
2023
Data and Analytics
$10,000,000
Participants included AME Cloud Ventures, Guillermo Rauch, Exceptional Capital, FirstHand Alliance, 10x Founders, and other angels.
“Led by Gradient (Google's AI-focused fund) with participation from strategic angels and early-stage investors”