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Vellum

Development platform for production LLM applications.

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What we love

  • Visual workflow builder
  • Strong eval suite
  • PM-friendly interface

What to watch

  • Premium pricing
  • Less developer-flexible than LangSmith

Best for

Product teams shipping prompt + agent workflows with non-engineer collaborators.

Key features

  • Visual workflow studio
  • Prompt management
  • Built-in evaluations
  • Multi-model routing
  • Production monitoring

What is Vellum?

Vellum gives product teams a workflow studio, prompt management, evaluation, and observability tools — the LLM dev stack in one place.

Who is it for?

Vellum is a great fit for teams looking for a ai & machine learning tool that fits the paid tier. It's especially loved by AI engineers, product teams, and founders shipping AI features.

Key tags

LLM OpsPrompt ManagementEvaluation

How it compares

We curate Vellum among the top AI & Machine Learning tools on saas.fyi. Browse all AI & Machine Learning tools to compare alternatives, or use the directory's search and filters to find a closer fit.

Pricing

from $500/mo. Pricing tier: Paid. Always confirm current pricing on the official site — SaaS pricing changes frequently.

Quick facts

  • Category: AI & Machine Learning
  • Pricing: Paid — from $500/mo
  • Website: vellum.ai
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