Curated software listings.
LLM Orchestration
OpenRouter is a unified API and routing layer for accessing, comparing, and managing multiple AI models through one developer-facing endpoint.
PriceUsage-based
AI Evaluation and Testing
Braintrust is an AI evaluation platform for testing prompts, models, and application behavior with production-like datasets and scoring workflows.
Price$249 / month
Price position: above the category median.AI Observability
LangWatch helps teams monitor prompts, traces, and quality signals across production LLM applications and agent workflows.
Price$66.12+ / month
Starting price: above the category median.
AI Observability
AgentOps is a developer platform for tracing, monitoring, testing, and debugging AI agents in development and production.
Price$40+ / month
Starting price: at the category median.
AI Observability
Langfuse is an open-source platform for tracing, prompt management, evaluations, and observability across LLM applications and agent systems.
Price$29+ / month
Starting price: below the category median.
AI Infrastructure
Ragie is a managed retrieval platform for building AI products that need ingestion, indexing, syncing, and production-ready retrieval workflows.
Price$100+ / month
Starting price: above the category median.
AI Observability
LangSmith is LangChain's platform for debugging, testing, evaluating, and monitoring LLM applications and agent workflows.
Price$39+ / seat / month
Starting price: below the category median.
Prompt Engineering Tools
PromptLayer is a platform for prompt management, AI observability, evaluation workflows, and release control across LLM apps and agent systems.
Price$50+ / seat / month
Starting price: above the category median.
AI Infrastructure
AI compute company building wafer-scale chips for the fastest training and inference of large language models.
Price$50 / month
Price position: above the category median.
AI Infrastructure
Decentralized network of GPUs aggregating clusters from data centers, crypto miners, and idle hardware for AI.
PriceUsage-based
LLM Orchestration
Flowise is an open-source UI visual tool for building customized LLM orchestration flows and AI agents using a drag-and-drop interface with LangChain integration.
Price$35 / month
Price position: below the category median.
Computer Vision Platforms
Creators of YOLO object detection models providing state-of-the-art real-time computer vision for developers.
Price$29+ / seat / month
Starting price: below the category median.
AI Agents & Sidekicks
Fixie provides tools and infrastructure for building production-ready AI agents that can take actions, access tools, and engage in multi-turn conversations with users.
PriceUsage-based
Machine Learning APIs
Cloud-based ComfyUI platform for running Stable Diffusion workflows without local GPU hardware requirements.
Price$29.99 / month
Price position: below the category median.AI Developer Tools
Smithery is a discovery and integration layer for Model Context Protocol servers, helping agent builders find and connect tools safely and quickly.
PriceUsage-based
AI Search Engines
Neural search API finding content by understanding natural language meaning rather than keyword matching.
PriceUsage-based
AI Agents
Multi-modal agent framework for building AI agents with memory and tools.
Price$50 / month
Price position: above the category median.Developer Tools
Data science distribution and platform providing Python and R environments for ML development and collaboration.
Price$15+ / user / month
Price position: below this category's displayed range.
