Vellum
★ 4/5 · Free LLM/IDE
Vellum is a free LLM site or browser IDE for chatting with models or coding in the cloud.
Pros
- Free tier requires no credit card
- includes 50 builder credits/month and 20-document knowledge base
- LLM token costs passed through at cost (no markup)
Cons
- Free tier limits 50 prompt executions/day and 25 workflow executions/day
- steep jump from free ($0) to paid ($500/mo max)
- no role-based access control on free plan
Cost
Free (50 credits/mo), paid plans from $0–$500/mo + LLM token pass-through
Verdict
Best for developers and small startups prototyping LLM applications and RAG systems without initial cost.
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