Agenta

The open-source LLM developer platform.

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Overview

Agenta is an open-source tool designed to streamline the lifecycle of LLM application development. It allows developers to experiment with different prompts and models, evaluate their performance using various metrics, and deploy them with confidence. Its focus is on providing a simple, iterative workflow for building high-quality LLM-powered features.

✨ Key Features

  • Prompt and Model Experimentation Playground
  • Side-by-side Comparison of Outputs
  • Evaluation using custom or standard metrics
  • Test Set Management
  • One-click Deployment
  • Open Source and Self-hostable

🎯 Key Differentiators

  • Simplicity and ease of use for the core developer workflow
  • Completely open-source
  • Focus on the experimentation and evaluation phase

Unique Value: Provides a simple, open-source, and self-hostable solution for the core loop of LLM development: experiment, evaluate, and deploy.

🎯 Use Cases (4)

Rapidly prototyping and iterating on LLM prompts Evaluating the quality of different LLM providers or models Creating test sets to prevent regressions Deploying LLM applications as APIs

✅ Best For

  • Prompt Engineering and Experimentation
  • LLM Evaluation
  • Open-Source LLMOps

💡 Check With Vendor

Verify these considerations match your specific requirements:

  • Enterprise-level production monitoring
  • Teams requiring extensive compliance and security features out-of-the-box

🏆 Alternatives

Langfuse Humanloop Vellum

Agenta is often simpler and more focused on the pre-deployment workflow than more comprehensive platforms like LangSmith or Arize, making it easier to get started for pure experimentation.

💻 Platforms

Web API Self-hosted

🔌 Integrations

OpenAI Anthropic Google Vertex AI LangChain Docker

🛟 Support Options

  • ✓ Email Support
  • ✓ Live Chat
  • ✓ Dedicated Support (Cloud tier)

💰 Pricing

Contact for pricing
Free Tier Available

Free tier: The open-source version is free to self-host.

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