Braintrust

What it does

Evaluate your AI applications with Braintrust: the enterprise-grade stack for building high quality AI products. From experiment tracking, to prompt playground, to data management, we take uncertainty and tedium out of shipping AI.

• 
  ZeroTrusted.ai2024 · zerotrusted.ai · ▲447

  Your AI privacy protection

• 
  Trace-AIOct 2025 · trace-ai.dev · ▲146

  Know What You Ship. Secure What You Depend On.

• 
  Cognitiveview2025 · cognitiveview.com · ▲27

  Build Trustworthy AI — Self-Assess, Govern, and Share Fast

• BE
  Braintrust – Eval platform for AI products2023 · ▲8

  Hey HN, We're excited to introduce Braintrust, a platform for running and tracking AI evaluations (“evals”) [1]. At my previous startup Impira and leading AI at Figma, we had this recurring problem where we never knew if changes we made to our products would improve or regress key user scenarios. We built some tooling to solve this problem and after talking to other developers learned that it was a widespread issue. Specifically, it’s challenging to establish a great dev loop that lets you systematically improve and ship high quality AI products. We worked with the teams at Zapier, Coda, and…

• 
  Redstone AI – Ship What Customers Want2025 · metabees.org · ▲33

  Test customer demand via AI sims, then ship.

• 
  SmartTrust.io2023 · ▲71

  AI-powered fraud detection for crypto

• 
  Spira Maxima▲578

  Video model that turns script into viral social media videos

  AI · 17d ago · spira.ai

• 
  Rill Browser▲540

  The browser where Claude Code and Codex work beside you

  AI · 16d ago · rill.love

• 
  Germany's new sovereign AI model Kolibri▲424

  Kolibri is Aleph Alpha

  AI · 18d ago · tej.as

• 
  Giving Opus 5.5 a simulated paint canvas▲392

  Paintings by AI models: programs run through a simulation of oil paint.

  AI · 20d ago · stillwet.art

• 
  Onepin▲384

  AI voiceover with every name, price and date said right

  AI · 30d ago · onepin.ai

• 
  PixVerse R2▲381

  A real-time world model you can explore and change

  AI · 28d ago · world.pixverse.video

• 
  Loops▲1,556

  Measure whether a campaign drove the desired outcome

  Dev tools · 2023 · loops.so

• 
  Tally 2.0▲1,479

  The simplest way to create forms for free

  Dev tools · 2023 · tally.so

• 
  Klu AI▲1,462

  Your data, unified and interactive

  AI · 2023 · klu.so

• 
  FirstHR▲1,063

  All-in-one HR platform for founders with dreams and teams

  Work · 2023 · firsthr.app

• 
  DevHunt▲945

  Open source Product Hunt for dev tools

  Dev tools · 2023 · devhunt.org

• 
  Yarnit 2.0▲918

  GenAI app to create personalized content

  AI · 2023 · yarnit.app