AI cost tracking

LangChain's eval + observability platform.

Open-source LLM observability — one-line proxy install.

Observability and debugging platform purpose-built for AI agents, with time-travel replay and cost tracking across 400+ LLMs.

Enterprise observability and evaluation platform for LLM agents and generative AI applications.

Collaborative LLM evaluation and observability platform for teams shipping AI features to production.

OpenTelemetry-native observability and evaluation platform for LLM agents in production.

Production observability, tracing, and evaluation for LLM and agent systems from the Weights & Biases stack.

Open-source context compression layer that strips 70-95% of boilerplate before it hits your LLM.

Open-source AI gateway that unifies 1000+ models behind one OpenAI-compatible endpoint with failover, budgets, and MCP routing.

Enterprise API gateway extended to route, govern, and observe LLM and agent traffic across providers.

Open-source LLM observability, prompt management, and evaluation in one platform.

Open-source LLM observability and evaluation platform for debugging and monitoring AI agents in production.

Envoy-based data plane for AI agents that handles routing, guardrails, and observability outside your app code.

Open-source AI gateway that routes a single API call across 1,600+ LLMs with caching, fallbacks, and observability.

Open-source toolkit for testing, tracing, and monitoring production AI agents.

Open-source LLM router that fans your agent traffic across providers and your existing AI subscriptions.

Production LLM gateway with observability, guardrails, and prompt management for teams shipping AI in anger.

Git-native prompt management and observability platform for teams shipping LLM applications.

LLM engineering platform combining a multi-model gateway with tracing, evals, and prompt management.

Team workspace that puts GPT, Claude, and Gemini behind one admin console with shared prompts, agents, and usage controls.

Self-hosted AI governance gateway that audits, gates, and logs every LLM call before it leaves your network.

Unified LLM gateway that brokers Claude, GPT, and Gemini through one API key with usage-based discounts.

Control plane for deploying, governing, and auditing AI agents in production.

Daily-updated LLM API pricing comparison across 300+ models, with calculators, leaderboards, and a free MCP server.

Independent benchmarking platform comparing AI models and inference providers across intelligence, speed, and cost.

LLM evaluation, observability, and prompt management platform for teams shipping production AI apps.

Middleware that supervises AI coding agents in real time, catching wasteful actions and enforcing safety guardrails.

Local usage meter that turns AI coding-agent tokens into estimated electricity and water consumption.

The open-source columnar database powering real-time analytics — and, increasingly, LLM observability and RAG backends.

Local-first trust control plane that routes AI tasks to the cheapest model that clears your confidence bar.

Simulation-based testing, evaluation, and observability for LLM agents