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Lexica

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Lexica

LLM Engineering Platform

Lexica provides integrated tools for prompt engineering, versioning, evaluation, and observability—all in one place

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PLAYGROUND

Accelerate Prompt Engineering

  • Compare prompts and models across scenarios

  • Turn your code into a custom playground where you can tweak your app

  • Empower experts to engineer and deploy prompts via the web interface

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PROMPT REGISTRY

Version and Collaborate on Prompts

  • Track prompt versions and their outputs

  • Easily deploy to production and rollback

  • Link prompts to their evaluations and traces

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EVALUATION

Evaluate and Analyze

  • Move from vibe-checks to systematic evaluation

  • Run evaluations directly from the web UI

  • Gain insights into how changes affect output quality

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OBSERVABILITY

Trace and Debug

  • Debug outputs and identify root causes

  • Identify edge cases and curate golden sets

  • Monitor usage and quality

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NEED HELP?

Frequently
asked questions

Create robust LLM apps in record time. Focus on your core business logic and leave the rest to us.

What is Lexica?

Can I use Lexica with a self-hosted fine-tuned model such as Llama or Falcon?

How can I limit hallucinations and improve the accuracy of my LLM apps?

Is it possible to use vector embeddings and retrieval-augmented generation with Lexica?

Ready to try Lexica AI?

Create robust LLM apps in record time. Focus on your core business logic and leave the rest to us

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Fast-tracking LLM apps to production