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Reprompt

Reprompt

Fix hallucinations without code

Generative AI applications are notoriously hard to scale to production: 90% of all Generative AI pilots never make it to production. Here’s what you can do with Reprompt: 1. Trace your responses to users across chat, RAG and function calling 2. Automatically track and hallucinations, risky inputs, and compliance issues 3. Write custom prompt overrides to handle the edge cases without changing your main prompt or pushing code

Reprompt
Founded:2024
Team Size:2
Location:San Francisco
Group Partner:Gustaf Alstromer

Active Founders

Lukas Martinelli

Lukas spent 7 years running engineering+product+operations as General Manager for the Search business at Mapbox who provides APIs to 2 million developers. After launching Mapbox' location-intelligent AI assistant he set out to make it easier for teams to operate AI assistants. Lukas' has a history of widely adopted dev tools. Before Mapbox he created several popular open-source dev tools (15k stars) in the mapping industry now used by Amazon, IBM, Bosch.

Lukas Martinelli
Lukas Martinelli
Reprompt

Rob Balian

Building Reprompt | Previously led Growth @ Robinhood, Product at Facebook, Stanford CS Rob is a builder and hacker. He built the first multiplayer online iPhone app, and combined his apps got 15M downloads and 1M MAU. He's trained and deployed vision models that beat SoTA. He led Robinhood's 50-person Growth team through their chaotic Covid, Gamestop, and IPO rollercoasters.

Rob Balian
Rob Balian
Reprompt

Company Launches

tldr: Productionizing AI apps is hard. Reprompt lets teams evaluate and improve their apps without code and get to production quality 10x faster.

90% of Generative AI pilots never make it to production

Generative AI applications are notoriously hard to scale to production quality:

  • Hallucinations are hard to detect and fix
  • Function calling is a huge opportunity but still hit-or-miss
  • RAGs aren’t as scalable as we hoped, and often they find the wrong documents
  • AI responses can become a legal and compliance liability

Getting to production takes more than great prompt engineering

Behind the scenes of every great product (Uber, Doordash, Waymo, Robinhood) there's an ops team with a dashboard full of if statements and data overrides that keeps the whole company from collapsing.

From what we’re seeing, AI apps will require similar tuning, using strategies like Human-In-The-Loop, custom overrides, multi-queries, and prompt splitting/routing.

Reprompt helps AI teams fix “last mile” AI issues so they can ship faster

Here’s what you can do with Reprompt:

  1. Trace your AI calls across chat, RAG, and function calls to make debugging easy
  2. Automatically track and highlight hallucinations and file them as bugs
  3. Write custom prompt overrides to handle the edge cases without changing your main prompt or pushing code

About the team

Lukas Martinelli was an Engineering Director and GM of Search at Mapbox. He also led Mapbox's 120-person labeling and evaluation team.

Rob Balian led Robinhood's Growth team through Covid, Gamestop, and IPO. He was an early PM at Facebook.

Rob Balian and Lukas Martinelli

If your team has challenges getting to production-level quality, we’d love to show you a demo. See you all in production!

-Rob and Lukas