TypeScript
Prompt Lab
A/B test prompts with eval metrics and caching.
4.8 (5.900) 5.9k booked v2.0 · updated recently
Starting from$39
Final price depends on your requirements, integrations and timeline.
Tailored to your stack · NDA available
TypeScript
Prompt Lab
v2.0 · MIT
Overview
Prompt Lab is an essential experimentation toolkit for teams that treat prompt quality as a measurable product concern rather than trial-and-error guesswork. A prompt testing and evaluation environment where teams compare variants, measure outputs, track performance trends, and make better decisions about which prompt patterns should move into production. Useful for AI startups, feature teams, internal innovation groups, and consulting agencies.
Common use cases
Prompt A/B testingRegression detectionModel comparisonPre-rollout validationCost control
What's inside
- Tailored to your stackBuilt around your chosen language, framework, providers and deployment target.
- Production-ready patternsStreaming, retries, observability and guardrails baked in for real traffic.
- Multi-provider readySwap between OpenAI, Anthropic, Mistral, Azure or local models with one config.
- Deployment recipesDrop-in guides for Vercel, Fly.io, Cloudflare Workers, Docker and Kubernetes.
- Docs, tests & example appComprehensive docs, integration tests and a reference app to learn from.
- Priority implementation supportDirect help from the team that built it during integration and rollout.
Why developers love it
Fast
Streaming responses and low-latency patterns out of the box.
Readable
Idiomatic, well-commented code your team can own.
Safe
Input validation, retries and cost guardrails included.