Vellum

Enterprise prompt engineering and LLM workflow platform — test, evaluate, and deploy AI pipelines in production.

Vellum is one of 33 ai agents in the Tool Hut catalog. Track it alongside your other AI tools, see what it costs you each month, and resurface it when you forget you're paying for it.

• prompt-engineering
• evaluation
• enterprise
• llmops
• workflows

Alternatives to Vellum

• OpenClaw

  Viral open-source personal AI agent — runs locally, connects to WhatsApp/Telegram/Discord, 100+ skills.

• Hermes Agent

  NousResearch's self-improving open-source agent — builds its own skills, persistent memory, 40+ tools.

• n8n

  Open-source workflow automation with AI nodes — self-hostable Zapier alternative.

• Make

  Visual workflow automation platform — connects 1,000+ apps with AI steps built in.

• Zapier AI

  Zapier's AI layer — natural language automation across 6,000+ app integrations.

• Manus

  Autonomous AI agent (now part of Meta) — executes tasks end-to-end in a sandbox, delivers files not just answers.