Alternatives to OpenJudge

Braintrust traces agent runs, scores them with evals, and surfaces production failure patterns before they ship.

Open-source Python framework to evaluate LLM, RAG, and agent quality and monitor ML drift under Apache 2.0.

Open-source Python framework that traces every AI agent span and scores runs with benchmarked, explainable LLM judges.

Open-source Python library that turns vibe checks into reproducible evaluation loops for RAG pipelines and AI agents.

Open-source benchmark that scores AI agents on real, multi-step software-company work tasks.

OpenCompass (司南) benchmarks LLMs, VLMs, and AI4S models on dated, dimension-by-dimension leaderboards

Open-source LLM observability: trace agents, manage prompts, and run evals on one MIT-licensed platform.

Open-source LLM observability and agent evaluation you can trace, self-host, and eval end to end.

Open source AI engineering platform for agent and LLM tracing, evaluation, prompt management, and ML lifecycle work.

Maxim AI simulates, evaluates and observes AI agents — with Bifrost, its open-source LLM gateway, for routing and guardrails.

LangSmith is agent and LLM observability from the LangChain team: trace, monitor, evaluate, and deploy AI agents.

Conan is a native macOS HUD for Claude Code that streams every prompt, tool call, skill and token live as the session runs.

Local, MIT-licensed token usage and cost tracking for AI coding agents — reads the logs your agents already write.

Open-source toolkit for benchmarking vision-language models across 80+ multimodal tasks, with rankings published on the Open VLM Leaderboard.

CodeClash benchmarks goal-oriented software engineering by making AI models build and evolve codebases to win 15-round arena tournaments.

Agent evaluation platform that simulates voice and chat agents, traces production, and scores hallucinations before your customers hit them

Comet's Opik brings LLM observability and evaluation that turns agent traces into code fixes

Laminar delivers open-source AI agent observability that auto-captures every LLM and tool call and surfaces failures with Signals.

OpenLIT delivers OpenTelemetry-native LLM tracing, evals, guardrails, and prompt management you self-host free under Apache 2.0.

Open-source OpenTelemetry tracing, versioning, and sessions for Python LLM apps—bring your own backend.

Agnost AI monitors production AI agents, clusters silent failures, and opens a fix for review.

Arena AI ranks chat models, coding agents and fullstack builds on live head-to-head human votes.

Sharbo builds a skill network for AI agents — encode expert workflows once and let every agent activate them autonomously.

AppWorld benchmarks interactive coding agents on 750 multi-app tasks across 457 APIs.

OpenCode Bar tracks AI coding quota windows, spend, and burn pace from your macOS menu bar

OpenAI's December 2025 wet-lab evaluation where GPT-5 improved a real molecular cloning protocol 79-fold

Observability and optimization for OpenClaw agents — trace failures, attribute cost, and ask Tracy what to fix.

Zero-config local dashboard that shows what your OpenClaw agents actually did, what they cost, and whether they leaked secrets

LangWatch is an open-source LLMOps platform for agent testing, LLM evaluation and OpenTelemetry-native LLM observability.

AI quality workspace for LLM evaluation, production observability, red teaming, and governance