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Weights & Biases Alternatives

ML experiment tracking, LLM observability, and evaluation platform for AI teams

Weights & Biases provides experiment tracking and LLM observability tools for AI developers.

Explore 29 alternatives to Weights & Biases across 1 category. Each tool listed below shares at least one category with Weights & Biases.

Top Weights & Biases alternatives at a glance

Agenta. Open-source prompt management, evaluation, and observability for LLM apps
Arize AI. AI observability platform with tracing, evaluation, and monitoring for LLM and ML applications
Braintrust. Stop building AI in the dark.
Cekura. Testing and monitoring platform for AI voice and chat agents
Cloudflare AI Gateway. LLM proxy with caching, logging, rate limiting, and cost analytics

📊 Observability & Analytics

Agenta

Open-source prompt management, evaluation, and observability for LLM apps

Open Source Free Trial

Arize AI

AI observability platform with tracing, evaluation, and monitoring for LLM and ML applications

Open Source Free Trial

Braintrust

Stop building AI in the dark.

Free Trial

Cekura

Testing and monitoring platform for AI voice and chat agents

Free Trial

Cloudflare AI Gateway

LLM proxy with caching, logging, rate limiting, and cost analytics

Comet Opik

Comet provides an end-to-end model evaluation platform for AI developers.

Open Source Free Trial

Datadog LLM Observability

LLM tracing, evaluation, and prompt monitoring built into the Datadog APM platform

Free Trial

DeepEval

Open-source LLM evaluation framework with 50+ metrics for testing agents, RAG, and chatbots

Open Source Free Trial

Evidently AI

Open-source ML and LLM evaluation with 100+ built-in metrics and CI/CD integration

Open Source Free Trial

Galileo

AI evaluation and observability platform with hallucination detection and real-time guardrails

Free Trial

Giskard

Eliminate risks of biases, performance issues & security holes in AI models. In <10 lines of code.

Open Source Free Trial

Greptime

Gain comprehensive insights into the cost, performance, feedback, traces of your LLM applications.

Open Source Free Trial

Hamming AI

At-scale testing & production monitoring for AI voice agents

Helicone

Join thousands of startups and enterprises who use Helicone's Generative AI platform to monitor, collect data, and sc...

Open Source Free Trial

Honeyhive

AI Performance and Reliability, Delivered

Free Trial

Humanloop

Develop AI features with confidence

Free Trial

Klu

Collaborate on prompts, evaluate, and optimize LLM-powered Apps with Klu.

Free Trial

Langfuse

Traces, evals, prompt management and metrics to debug and improve your LLM application.

Open Source Free Trial

LangSmith

LangSmith is a unified DevOps platform for developing, collaborating, testing, deploying, and monitoring LLM applicat...

Free Trial

LangWatch

LLM observability platform with quality monitoring, guardrails, and evaluation workflows

Open Source Free Trial

Log10

LLMOps platform for logging, debugging, and improving LLM-powered applications

Free Trial

lunary

The platform to monitor, manage and improve your LLM apps.

Free Trial

Patronus AI

Detect LLM mistakes at scale and use generative AI with confidence

Portkey

AI gateway for routing to 1,600+ LLMs with observability, guardrails, and prompt management

Open Source Free Trial

PromptLayer

Visually manage prompts. Evaluate models. Log LLM requests. Search usage history. Collaborate as a team.

Free Trial

Ragas

Open-source evaluation and testing framework for LLM and RAG applications

Open Source

Rhesis AI

Open-source testing platform for LLM and agentic applications. Test generation, adversarial probing, and regression t...

Open Source Free Trial

Sentrial

Production monitoring for AI agents with automated failure detection and diagnosis

Free Trial

Traceloop

Open-source LLM observability built on OpenTelemetry, with automatic instrumentation for major providers and frameworks

Open Source Free Trial

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