Custom LLM development services - AI tools

  • Hegel AI
    Hegel AI Developer Platform for Large Language Model (LLM) Applications

    Hegel AI provides a developer platform for building, monitoring, and improving large language model (LLM) applications, featuring tools for experimentation, evaluation, and feedback integration.

    • Contact for Pricing
  • Laminar
    Laminar The AI engineering platform for LLM products

    Laminar is an open-source platform that enables developers to trace, evaluate, label, and analyze Large Language Model (LLM) applications with minimal code integration.

    • Freemium
    • From 25$
  • PromptsLabs
    PromptsLabs A Library of Prompts for Testing LLMs

    PromptsLabs is a community-driven platform providing copy-paste prompts to test the performance of new LLMs. Explore and contribute to a growing collection of prompts.

    • Free
  • Axolotl AI
    Axolotl AI We make fine-tuning accessible, scalable, fun

    Axolotl AI is a free, open-source tool designed to make fine-tuning Large Language Models (LLMs) faster, more accessible, and scalable across various AI models and platforms.

    • Free
  • LM Studio
    LM Studio Discover, download, and run local LLMs on your computer

    LM Studio is a desktop application that allows users to run Large Language Models (LLMs) locally and offline, supporting various architectures including Llama, Mistral, Phi, Gemma, DeepSeek, and Qwen 2.5.

    • Free
  • Conviction
    Conviction The Platform to Evaluate & Test LLMs

    Conviction is an AI platform designed for evaluating, testing, and monitoring Large Language Models (LLMs) to help developers build reliable AI applications faster. It focuses on detecting hallucinations, optimizing prompts, and ensuring security.

    • Freemium
    • From 249$
  • Inductor
    Inductor Streamline Production-Ready LLM Applications

    Inductor enables developers to rapidly prototype, evaluate, and improve LLM applications, ensuring high-quality app delivery.

    • Freemium
  • Keywords AI
    Keywords AI LLM monitoring for AI startups

    Keywords AI is a comprehensive developer platform for LLM applications, offering monitoring, debugging, and deployment tools. It serves as a Datadog-like solution specifically designed for LLM applications.

    • Freemium
    • From 7$
  • Unify
    Unify Build AI Your Way

    Unify provides tools to build, test, and optimize LLM pipelines with custom interfaces and a unified API for accessing all models across providers.

    • Freemium
    • From 40$
  • Gentrace
    Gentrace Intuitive evals for intelligent applications

    Gentrace is an LLM evaluation platform designed for AI teams to test and automate evaluations of generative AI products and agents. It facilitates collaborative development and ensures high-quality LLM applications.

    • Usage Based
  • BenchLLM
    BenchLLM The best way to evaluate LLM-powered apps

    BenchLLM is a tool for evaluating LLM-powered applications. It allows users to build test suites, generate quality reports, and choose between automated, interactive, or custom evaluation strategies.

    • Other
  • Lora
    Lora Integrate local LLM with one line of code.

    Lora provides an SDK for integrating a fine-tuned, mobile-optimized local Large Language Model (LLM) into applications with minimal setup, offering GPT-4o-mini level performance.

    • Freemium
  • Braintrust
    Braintrust The end-to-end platform for building world-class AI apps.

    Braintrust provides an end-to-end platform for developing, evaluating, and monitoring Large Language Model (LLM) applications. It helps teams build robust AI products through iterative workflows and real-time analysis.

    • Freemium
    • From 249$
  • BuildOwn.AI
    BuildOwn.AI Practical Insights for Building Real-World AI Applications: A Developer’s Guide for Developers

    BuildOwn.AI offers a comprehensive guide for developers to build AI applications using large language models. This resource provides structured learning, practical insights, and is adaptable to any programming language.

    • Other
  • LLM Token Counter
    LLM Token Counter Secure client-side token counting for popular language models

    A sophisticated token counting tool that helps users manage token limits across multiple language models including GPT-4, Claude-3, and Llama-3, with client-side processing for maximum security.

    • Free
  • docs.litellm.ai
    docs.litellm.ai Unified Interface for Accessing 100+ LLMs

    LiteLLM provides a simplified and standardized way to interact with over 100 large language models (LLMs) using a consistent OpenAI-compatible input/output format.

    • Free
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