Prompt engineering platforms, prompt management tools, prompt marketplaces, LLM testing frameworks, and observability layers for teams building, versioning, evaluating, and optimizing prompts across models and workflows.
20 tools found
10M+ users, #1 on G2 (2025)
Prompt management and observability platform. Version, evaluate, and deploy prompts with full LLM request logging.
Used by 63 of Fortune 500 companies
Open-source LLM engineering platform. Traces, evals, prompt management, and metrics for LLM apps.
Acquired by Anthropic for AI scaling
Prompt management and evaluation platform. Collaborate on prompts, run experiments, and ship with confidence.
10K+ GitHub stars, trusted by OpenAI
Open-source LLM evaluation framework. Test prompts against datasets, compare models, and catch regressions.
Open-source LLM observability platform
Open-source LLM observability platform. One-line integration for logging, monitoring, and caching LLM requests.
Open-source developer-first LLMOps
Open-source AI development toolkit. Centralized prompt management, observability, and instant delivery.
Open-source LLMOps platform
Open-source LLM developer platform. Build, evaluate, and deploy LLM apps with collaborative prompt playground.
Trusted by world's leading AI companies
Platform for debugging, testing, evaluating, and monitoring LLM applications. By LangChain.
Trusted by NASA, TaskRabbit & Deloitte
Enterprise AI product stack. Evals, prompt playground, logging, and data management for AI teams.
Trusted by 2M+ users & major brands
Prompt management platform for teams. Version control, testing, and collaboration for production prompts.
Trusted by leading OpenAI builders
AI prompt engineering IDE. Design, test, and iterate on prompts with real-time model feedback.
Popular open-source tool
Marketplace for quality AI prompts. Buy and sell prompts for DALL-E, GPT, Midjourney, and Stable Diffusion.
Trusted by 2M+ users globally
Community-driven prompt sharing platform. Discover, share, and use the best ChatGPT prompts.
Popular open-source tool
Search engine for AI prompts. Find the best prompts for Stable Diffusion, ChatGPT, and Midjourney.
Trusted by 12K+ B2B companies
Automated prompt optimization platform. Use algorithms to find the best prompts for your use case.
Used by 700K+ ML practitioners
LLM tracking and evaluation within the W&B MLOps platform. Trace chains, log prompts, and evaluate outputs.
Used by Postman, Haptik & Fortune 500s
AI gateway with prompt management. Route between LLM providers, manage prompt templates, and monitor usage.
YC-backed LLM debugging platform
Platform for testing, evaluating, and monitoring LLM applications. Side-by-side prompt comparison and regression testing.
2025 Gartner Cool Vendor in AI Security
Enterprise prompt security platform. Protect against prompt injection, data leakage, and jailbreaks.
Used by leading tech companies
Platform for building and deploying LLM-powered workflows. Chain prompts, connect data sources, and orchestrate AI apps.
Side-by-side tool comparisons to help you decide
Latest features, tools, and updates