What is Agenta?

Content last verified May 4, 2026 · by the AI Tools Set Research Team

Agenta is an open-source LLMOps platform for prompt engineering, evaluation, and deployment, letting teams experiment with prompts and models in a collaborative playground. It supports versioning, evaluations, and observability for building LLM apps.

It appeals to developers who want an open, end-to-end toolkit for iterating on prompts and shipping reliable AI features.

Key Features of Agenta

Prompt playground: Experiment with prompts and models.
Evaluations: Score and compare prompts.
Versioning: Track prompt changes.
Open source: Self-host the platform.

Use Cases for Agenta

Engineer prompts
Evaluate LLM outputs
Deploy prompts
Collaborate on AI apps
Self-host LLMOps

Pros & Cons

Pros

✓

Open source

✓

End-to-end LLMOps

✓

Evaluations

✓

Free tier

Cons

✗

Developer-focused

✗

Setup for self-hosting

Pricing

Free

$0 /mo

✓Playground

✓Basic evals

✓Self-host option