Alternatives to Braintrust

Trace, debug, and deploy reliable AI agents with full observability

Free local observability for AI coding agents — tokens, cost & traces on your machine.

Open-source LLM observability for tracing, evaluating, and optimizing AI agents end-to-end.

Open source platform to debug, evaluate, monitor, and optimize AI agents and ML models.

Open-source workspace to build, evaluate, and deploy AI agents through chat

Simulate, evaluate, and observe AI agents—ship reliable agents 5x faster with Maxim.

Open-source AI evaluation and observability for LLMs, RAG, agents, and predictive ML.

Free, open-source AI observability and evals for debugging agents

Open-source LLM agent observability with tracing, evals, and experiments

OpenTelemetry-native observability with AI SRE Agent0 for automated production insight.

AI agent observability and evaluation platform for LLM apps

AI observability and eval engineering platform that turns offline evals into production guardrails.

AI observability and evals that auto-fix agent code via git

Open-source OpenTelemetry observability for Python LLM apps

Enterprise LLM evaluation, observability, and red teaming in one platform.

Open-source AI observability for privacy-preserving logging and LLM security

Enterprise AI control plane for observability, guardrails, and governance of agentic AI.

Open-source framework to replace vibe checks with reproducible, LLM-driven evaluation loops for RAG and agents.

AI observability and eval engineering platform that turns offline evals into production guardrails.

AI gateway and LLM observability platform for routing, debugging, and analyzing AI apps

AI agent observability that detects and auto-fixes silent failures in production.

Open-source LLM observability and prompt management for AI engineering teams.

Open-source, OpenTelemetry-native LLM observability and AI engineering platform for teams.

ML experiment tracking and LLM development platform for teams

Pre-built AI models for finance, from fraud detection to agentic workflow orchestration.

Open-source AI agent tracing and LLM-as-judge evaluation platform for debugging and improving agent quality.

Mechanistic interpretability platform to understand, debug, and design AI models

OpenTelemetry-native open-source AI agent evaluation and tracing

Track, forecast, and optimize AI spend across providers.

Collaborative LLM development platform for building, testing, and monitoring AI features.