Espresso AI

Anthropic develops Claude models, assistants, and coding tools, combining frontier AI research with an explicit focus on reliable, interpretable, and steerable systems.

Observe, evaluate and improve production AI.

Arize provides AI observability and evaluations that trace, test, and improve models and agents from development through production, including its open-source Phoenix tools.

Companies can run specialized AI models in production without assembling inference, optimization, deployment, and observability infrastructure themselves.

Baseten provides infrastructure and embedded engineering for deploying, optimizing, and serving AI models, with training and inference across cloud, hybrid, and self-hosted environments.