Back to Opencompass

Alternatives to Opencompass

30 tools that compete with or replace Opencompass. Ranked by direct product-type match — not generic category overlap.

Last updated
Cross-checked through our multi-step verification ·
Weights & Biases

Weights & Biases

ML experiment tracking and LLM development platform for teams

FreemiumTry
Phoenix

Phoenix

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

FreemiumTry
Goodfire

Goodfire

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

FreemiumTry
TruLens

TruLens

OpenTelemetry-native open-source AI agent evaluation and tracing

FreeTry
Fiddler AI

Fiddler AI

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

FreemiumTry
RAGAS

RAGAS

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

FreeTry
Evidently AI

Evidently AI

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

FreemiumTry
VLMEvalKit

VLMEvalKit

Open-source toolkit for benchmarking 220+ vision-language models across 80+ tasks.

FreeTry
Sharbo

Sharbo

AI observability for cyber-physical systems with continual learning

Contact SalesTry
Arize Phoenix

Arize Phoenix

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

FreemiumTry
Langfuse

Langfuse

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

FreemiumTry
Lilypad

Lilypad

Open-source OpenTelemetry observability for Python LLM apps

FreeTry
MLflow

MLflow

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

FreeTry
WhyLabs

WhyLabs

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

FreeTry
Agenta

Agenta

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

FreemiumTry
PostHog

PostHog

PostHog is an open-source product OS that unifies analytics, session replay, feature flags, and a data warehouse in one platform.

FreemiumTry
Opik (Comet)

Opik (Comet)

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

FreemiumTry
Langfuse Prompt Experiments

Langfuse Prompt Experiments

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

FreemiumTry
Token Monitor

Token Monitor

Free open-source desktop widget tracking tokens, cost, and limits across 29+ AI coding tools.

FreeTry
TheAgentCompany

TheAgentCompany

Open-source benchmark for AI agents on multi-step, real-world software company tasks.

FreeTry
Burntop

Burntop

Free open-source AI usage tracking & analytics for developers

FreeTry
ClawBench

ClawBench

Open-source benchmark for AI agents on real, live websites, with two-stage scoring and full trace replay.

FreeTry
OpenLIT

OpenLIT

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

FreemiumTry
PandaProbe

PandaProbe

Open-source observability and self-repair for AI agents in production

FreemiumTry
Visualwebarena

Visualwebarena

Open-source benchmark measuring multimodal web agents on 910 realistic, visually grounded tasks across Classifieds, Shopping, and Reddit.

FreeTry
Ecologits

Ecologits

Open-source Python library to track the real-time carbon footprint of your GenAI API calls.

FreemiumTry
Dash0

Dash0

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

FreemiumTry
LangSmith

LangSmith

AI agent observability and evaluation platform for LLM apps

FreemiumTry
Confident AI

Confident AI

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

FreemiumTry
Hume AI

Hume AI

Measure and build emotionally intelligent voice AI with human-grounded evaluation tools.

FreemiumTry

Frequently asked questions

What are the best alternatives to Opencompass?

We currently list 30 alternatives to Opencompass: Weights & Biases, Phoenix, Goodfire, TruLens, Fiddler AI. Each is ranked by direct product-type match rather than generic category overlap.

How do you choose which Opencompass alternatives to show?

Alternatives are ranked by direct product-type match — tools that do the same job — not by shared category tags. Every listed tool is independently re-verified on a continuous cycle.