Improve AI Output Quality

PromptLayer

Prompt Engineering Tools

PromptLayer is a platform for prompt management, AI observability, evaluation workflows, and release control across LLM apps and agent systems.

LangSmith

AI Observability

LangSmith is LangChain's platform for debugging, testing, evaluating, and monitoring LLM applications and agent workflows.

Braintrust

AI Evaluation and Testing

Braintrust is an AI evaluation platform for testing prompts, models, and application behavior with production-like datasets and scoring workflows.

Martian

LLM Orchestration

Smart LLM router that automatically selects the optimal model for each prompt based on quality and cost.

Surge AI

AI Annotation and Labeling

Data labeling platform built for NLP researchers with expert-quality human annotation and quality control.

Metaphor

AI Search Engines

Neural search API finding content by understanding natural language meaning rather than keyword matching.

Adaptive Recall

Knowledge Graph Platforms

Adaptive Recall, persistent memory for AI assistants over MCP

Weaviate

Vector Databases

Weaviate is an open-source, AI-native vector database that provides vector search, hybrid search, and generative search capabilities for building context-aware AI applications at scale.

Exa

AI Infrastructure

Exa is an AI-native search engine and API for applications and agents that need fresh web results, structured extraction, and research workflows.

Verta

Machine Learning Platforms

MLOps platform for model management, deployment, and monitoring with model registry and experiment tracking.

Conjecture

AI Safety & Guardrails

AI alignment company building tools and conducting research to ensure advanced AI systems are safe and controllable.

Log10

AI Observability

LLM observability and evaluation platform for monitoring, debugging, and improving AI application performance.

Context.ai

Conversation Analytics

Product analytics platform for LLM applications to understand conversations, topics, and user sentiment.

Aquarium

Software

ML data management platform for curating, analyzing, and improving datasets.

Applied Intuition

Simulation Software

Autonomy simulation and software platform helping automakers build and validate AI driving systems.

SID

AI Agents

AI agent infrastructure giving assistants secure access to user data across email, calendar, and documents.

Mercor

Talent Marketplace

AI recruiting platform that uses video interviews to match candidates with tech companies.

Eureka Labs' Athena AI tutor platform from Andrej Karpathy for AI-native education.