All payments in the preview are in test mode. Read more
SYNTHX
← Index

Code & Dev Tools · verified 2026-07-21

Weights & Biases

Experiment tracking for model teams.

The standard experiment tracker, extended with Weave for LLM tracing and evaluation. Free for personal and academic use.

OPEN WEIGHTS & BIASES
Rating
4.5 / 5
Pricing
Freemium
Best for
Fine-tuning, Research, Observability
Platforms
Web, API, CLI
Runs locally
No
Content policy
Standard filters

Matching filters

Writing codeResearchAnswer engine / searchFine-tuning & trainingEvals & observabilityTeam collaborationHas a public APIFreemiumStudent / education pricingWebCLI / terminalAPICloud onlyOpen weights

What stands out

  • Run comparison dashboards
  • Weave LLM tracing
  • Free personal tier

Also in Code & Dev Tools

Cursor

The editor that knows your repo.

Claude Code

An agent that lives in your terminal.

GitHub Copilot

Autocomplete that stayed and grew up.