Reprompt - Fix hallucinations without code

Achieving AI Excellence: The Role of Reprompt in Modern AI Development

What is Reprompt?

Reprompt, founded in 2024 and based in San Francisco, is a cutting-edge start-up that aims to address one of the most significant challenges in the field of generative AI: scaling applications to production. Despite the burgeoning interest and investment in generative AI, an overwhelming 90% of all generative AI pilots never make it to production. Reprompt tackles this issue head-on by providing tools that enable teams to fix hallucinations and other critical errors without writing any code, thus accelerating the path to production quality by a factor of ten.

Who Are the Founders of Reprompt?

Reprompt was co-founded by Lukas Martinelli and Rob Balian, both of whom bring a wealth of experience and a track record of success in their respective fields.

Lukas Martinelli spent seven years as the General Manager for the Search business at Mapbox, a company known for providing APIs to over 2 million developers. During his tenure, he launched Mapbox's location-intelligent AI assistant and developed several popular open-source dev tools in the mapping industry, now widely used by major companies like Amazon, IBM, and Bosch. His expertise in engineering, product management, and operations positions him as a pivotal force in the development of Reprompt.

Rob Balian previously led the Growth team at Robinhood, navigating through the tumultuous periods of Covid, the Gamestop trading frenzy, and Robinhood's IPO. He also served as a product manager at Facebook and has a rich background in building and scaling tech products. Notably, Rob built the first multiplayer online iPhone app and achieved over 15 million downloads across his apps, with 1 million monthly active users. His experience in growth and product management, combined with his technical prowess, complements Lukas's strengths, making them a formidable founding team for Reprompt.

What Problems Does Reprompt Solve?

Generative AI applications face several hurdles on the path to production, including:

  1. Hallucinations: AI models often generate inaccurate or nonsensical responses, which are difficult to detect and correct.
  2. Function Calling: Integrating function calling with AI models presents significant opportunities but remains inconsistent in performance.
  3. Retrieval-Augmented Generation (RAG): RAG systems, designed to enhance AI models with external knowledge, often fail to scale as expected and frequently retrieve incorrect documents.
  4. Compliance and Legal Risks: AI-generated responses can pose substantial legal and compliance challenges, requiring meticulous oversight and adjustments.

Reprompt addresses these issues by providing a comprehensive suite of tools that allow teams to trace AI responses, automatically track and highlight hallucinations and risky inputs, and implement custom prompt overrides to handle edge cases without altering the main prompt or pushing new code.

How Does Reprompt Improve AI Applications?

Reprompt's platform offers several key features designed to streamline the process of bringing AI applications to production quality:

  1. Tracing AI Calls: Reprompt enables teams to trace AI calls across various interactions, including chat, RAG, and function calls, simplifying the debugging process.
  2. Automatic Tracking of Issues: The platform automatically tracks hallucinations, risky inputs, and compliance issues, logging them as bugs for easy identification and resolution.
  3. Custom Prompt Overrides: Teams can write custom prompt overrides to manage edge cases effectively, ensuring consistent performance without the need for frequent code changes.

These capabilities allow AI teams to address the "last mile" issues that typically hinder the transition from pilot to production, ensuring a smoother and faster deployment of AI applications.

What is the Importance of "Last Mile" AI Issues?

The "last mile" in AI deployment refers to the final, often most challenging phase of bringing an AI application from pilot to production. This stage involves fine-tuning the system to handle real-world complexities and ensuring robust performance across diverse scenarios. Common strategies to address these issues include:

  • Human-In-The-Loop: Integrating human oversight to refine AI outputs and ensure accuracy.
  • Custom Overrides: Implementing specific adjustments to handle unique cases that the AI model might struggle with.
  • Multi-Queries: Using multiple queries to cross-check and validate AI responses.
  • Prompt Splitting/Routing: Dividing and directing prompts to specialized sub-models for better accuracy and relevance.

Reprompt's tools are designed to facilitate these strategies, providing teams with the means to efficiently manage and optimize their AI applications.

How Does Reprompt Enhance Team Efficiency?

Reprompt's platform is built with a focus on enhancing team efficiency and productivity. By offering a no-code solution to manage and improve AI applications, Reprompt reduces the need for extensive engineering resources and allows teams to focus on higher-level strategic tasks. Key benefits include:

  • Streamlined Debugging: Tracing and logging features simplify the identification and resolution of issues, saving time and effort.
  • Proactive Issue Management: Automatic tracking of hallucinations and compliance risks ensures that potential problems are addressed promptly, minimizing downtime and disruptions.
  • Flexible Customization: The ability to implement custom prompt overrides without code changes empowers teams to quickly adapt to new challenges and opportunities.

These features collectively enable teams to accelerate their development cycles and achieve production quality more rapidly.

What Sets Reprompt Apart from Other Solutions?

Reprompt stands out in the crowded field of generative AI tools due to its unique focus on non-code-based solutions for managing AI applications. While many platforms require extensive coding and technical expertise to implement and maintain, Reprompt offers a user-friendly interface that simplifies the process for teams of all sizes and skill levels. This accessibility, combined with the robust feature set, makes Reprompt an invaluable tool for AI teams looking to scale their applications efficiently.

What Are the Future Plans for Reprompt?

As a forward-thinking start-up, Reprompt has ambitious plans for the future. The company aims to continually enhance its platform with new features and capabilities, staying ahead of the evolving needs of the AI industry. Future developments may include:

  • Advanced Analytics: Incorporating deeper analytics and insights to provide teams with a comprehensive understanding of their AI applications' performance.
  • Integration with More Platforms: Expanding compatibility with a wider range of AI tools and frameworks to offer even greater flexibility and utility.
  • Enhanced Security and Compliance: Strengthening the platform's security measures and compliance tools to address the growing concerns around AI ethics and legality.

By continually innovating and expanding its offerings, Reprompt is poised to remain a leader in the generative AI space.

How Can Teams Get Started with Reprompt?

Getting started with Reprompt is straightforward and accessible. Teams interested in leveraging Reprompt's capabilities can sign up for the platform and begin integrating it into their AI workflows. With a focus on ease of use and comprehensive support, Reprompt ensures that teams can quickly and effectively harness the power of their tools to bring their AI applications to production quality.


Reprompt is revolutionizing the way generative AI applications are brought to production. By addressing the critical challenges of hallucinations, function calling, RAG scalability, and compliance, Reprompt provides a powerful, no-code solution that enables teams to achieve production quality 10 times faster. With a seasoned founding team and a robust feature set, Reprompt is well-positioned to lead the charge in the next wave of AI innovation.