Alternatives to Opencompass

Free public leaderboard benchmarking LLMs on competition math and Lean proof benchmarks like ArXivMath and ArXivLean.

OpenJudge is an Apache 2.0 open-source AI evaluation framework shipping 50+ benchmark-validated graders for agents, LLMs, code, math, and multimodal models.

Silico is Goodfire's interpretability agent for understanding and debugging the internals of your AI models.

Weights & Biases tracks ML experiments and traces LLM apps so teams ship AI models faster

Fiddler AI is an enterprise AI control plane for agent observability, inline guardrails, and auditable AI governance.

Open-source LLM observability and agent evaluation you can trace, evaluate, and self-host for free.

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

Open-source Python framework that replaces vibe checks with reproducible evaluation loops for RAG pipelines and AI agents.

Evidently AI is an open-source Python framework for LLM evaluation, RAG testing, and ML model monitoring under Apache 2.0.

Developer observability platform that traces, replays, and debugs AI agent runs across OpenAI, CrewAI, Autogen and 400+ LLMs

ViDoRe Benchmark: an open visual document retrieval benchmark and ColPali model suite for enterprise RAG evaluation.

An independent AI leaderboard ranking 408 models on one LLM Stats Score that blends benchmarks with live API speed and price.

Free daily LLM speed benchmarks — compare time-to-first-token and tokens-per-second across models and regions.

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

PandaProbe is open-source agent observability that traces runs, evaluates outcomes, and turns failures into validated fixes via its Repair

Arize Phoenix is open-source LLM observability: trace agent steps, run evals, and self-host your traces.

Dash0 is OpenTelemetry-native observability where Agent0 investigates incidents, finds root cause, and opens fix PRs.

Open-source LLM observability and agent evals: trace, evaluate, and improve production AI agents with MIT-licensed tooling.

Galileo AI Evals turns offline evaluations into production guardrails that gate your AI agents in real time.

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

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

LLM evaluation, observability, and red teaming in one workspace — ship AI you can actually trust

TruLens traces AI agent runs with OpenTelemetry-native evals, showing where an agent fails and where you can cut cost.

ToolSpend tracks AI API spend across OpenAI, Anthropic, Google AI, Bedrock and Azure in one live cost dashboard.

Athina AI is a collaborative AI development platform for managing prompts, running LLM evaluations, and monitoring production traces in one

Open-source AI coworker workspace that builds, schedules and ships agents to Slack or Telegram

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

Open-source AI observability for agent tracing, LLM-as-a-judge evals, and coding-agent cost tracking.

Patronus AI builds simulated environments and training data for reinforcement learning on frontier agent models.

Paste one prompt, see how 40+ AI models answer it, then pick the one that's best, fastest, or cheapest.