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VELLUM WORKFLOW EXAMPLE
This is a multi-agent with internet access, evaluator, and conditional looping that generates a LinkedIn post from a URL
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Workflow Demo
WORKFLOW EXAMPLE
Here’s how you can use the Workflows IDE to build any AI systems, from basic prompts to agentic workflows.
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Read our latestState of AI development report– explore trends, usage, and emerging patterns!Read the results →
Read our latestState of AI development report
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Build and ship AI products on a single, collaborative platform

Take AI products from early-stage ideas to production-grade features with tooling for experimentation, evaluation, deployment, monitoring, and collaboration.

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Trusted by leading teams
Trusted by leading teams
Trusted by leading teams
Trusted by leading teams
Trusted by leading teams
Trusted by leading teams
Trusted by leading teams
Trusted by leading teams
Trusted by leading teams
Trusted by leading teams
Trusted by leading teams
Trusted by leading teams
Trusted by leading teams
Trusted by leading teams
Demo

All Models, One Playground

Get prompts out of your codebase, google sheets, and Notion, and into a single place where you can collaborate on them as a team. Compare models across any provider – from closed to open sourced or self-hosted.

Prompts
llm playground

All Models, One Playground

Get prompts out of your codebase, Google Sheets, and Notion, and into a single place where you can collaborate on them as a team. Compare models across any provider – from closed to open sourced or self-hosted.

Explore the Playground

Your partner in AI excellence, from concept to production

Drowning in AI information? Let us be your filter. We synthesize the latest from the industry, offer tailored support, and provide ready-to-use templates. Skip the blank slate with Vellum and build reliable AI systems faster.

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orchestration

Purpose-Built GUI and SDK for AI Development

Visual Builder
Skip the repetitive setup and jump straight into building with a purpose-built GUI for AI workflows. Quickly spot issues, debug, and iterate until you're ready to ship.
Expressive SDK
A code-first, UI native framework for building agentic AI workflows with declarative syntax that self-documents the control flow of your graph and is type-safe by design.
Bi-directional Sync
Define, edit, and run in code or UI—seamlessly push and pull changes between the two. Bridge the technical gap across cross-functional teams, enabling everyone to collaborate, no matter their technical background.
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Purpose-Built Tools for AI Development

Visual Builder

Skip the repetitive setup and jump straight into building with a purpose-built GUI for AI workflows. Quickly spot issues, debug, and iterate.

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Expressive Framework

A code-first, UI native framework for building agentic AI workflows with declarative syntax that self-documents the control flow of your graph and is type-safe by design.

Go to github repo

Code ↔ UI Sync

Define, edit, and run in code or UI, and push/pull changes between the two - eliminating the technical gap within cross-functional teams.

Explore the SDK

Purpose-Built GUI and SDK for AI Development

Skip the repetitive setup and jump straight into building with a purpose-built GUI for AI workflows. Quickly spot issues, debug, and iterate.

Explore the Visual Builder

A code-first, UI native framework for building agentic AI workflows with declarative syntax that self-documents the control flow of your graph and is type-safe by design.

Go to Github Repo

Define, edit, and run in code or UI, and push/pull changes between the two - eliminating the technical gap within cross-functional teams.

Learn About the SDK
evaluation

AI, Meet Test Driven Development

Evaluate AI system quality with pre-made or custom-built metrics, or use LLM-as-a-judge. Spot individual failures or trends in aggregate, debug and iterate until you can deploy changes confidently.

Learn How Evals work

Your partner in AI excellence, from concept to production

Drowning in AI information? Let us be your filter. We synthesize the latest from the industry, offer tailored support, and provide ready-to-use templates. Skip the blank slate with Vellum and build reliable AI systems faster.

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out-of-box rag

Turn unstructured data into context-aware solutions

Make your data AI-ready with Vellum’s retrieval UIs and APIs. Handle text, PDFs, images, and more—no need to build retrieval from scratch. Test chunking strategies, embeddings, and search weights while Vellum handles the heavy lifting.

learn how Retrieval works

Your partner in AI excellence, from concept to production

Drowning in AI information? Let us be your filter. We synthesize the latest from the industry, offer tailored support, and provide ready-to-use templates. Skip the blank slate with Vellum and build reliable AI systems faster.

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deployments

Decouple AI Updates from App Deploys

10x the frequency of shipping AI updates with easy integration and one-click deploy. Seize control of AI behavior in production with quick updates—no full redeployment needed.

Learn about 1-click deploy

Your partner in AI excellence, from concept to production

Drowning in AI information? Let us be your filter. We synthesize the latest from the industry, offer tailored support, and provide ready-to-use templates. Skip the blank slate with Vellum and build reliable AI systems faster.

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observability

Track Every Decision Your AI Makes

Track your AI’s inputs, outputs, costs, latency, and feedback. Visualize decisions with trace/span or graph views, and monitor trends over time.

Explore observability

Your partner in AI excellence, from concept to production

Drowning in AI information? Let us be your filter. We synthesize the latest from the industry, offer tailored support, and provide ready-to-use templates. Skip the blank slate with Vellum and build reliable AI systems faster.

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AI Experts On-Demand

AI specialists support you at every stage—from idea validation to implementation and optimization. With experience across hundreds of AI companies, we help businesses of all sizes build and refine AI applications.

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Your partner in AI excellence, from concept to production

Drowning in AI information? Let us be your filter. We synthesize the latest from the industry, offer tailored support, and provide ready-to-use templates. Skip the blank slate with Vellum and build reliable AI systems faster.

Notify Customers

Built for Enterprise scale

SOC 2 Compliant
HIPAA Compliant + BAA Support
Virtual Private Cloud
AI Expert Support
Configurable Data Retention Policies
Role-based access control
Vellum for Enterprises

Our customers

Vellum made it so much easier to quickly validate AI ideas and focus on the ones that matter most. The product team can build POCs with little to no assistance within a week!
‍

Pratik Bhat
Sr. Product Engineer @ Drata

We sped up AI development by 50 percent and decoupled updates from releases with Vellum. This allowed us to fix errors instantly without worrying about infrastructure uptime or costs.
‍

Jordan Nemrow
Co-Founder & CTO @ Woflow

Vellum helped us quickly evaluate prompt designs and workflows, saving us hours of development. This gave us the confidence to launch our virtual assistant in 14 U.S. markets.
‍

Sebi Lozano
Sr. Product Manager @ Redfin
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Engineering the next wave of AI systems

Built by AI developers for the developers of tomorrow

1000+
PRODUCT TEAMS
100m+
API REQUESTS
24/7
TEAM SUPPORT
100+
PRE-BUILT TOOLS
Top VCs including Y Combinator, Rebel Fund, Eastlink Capital, and the founders of HubSpot, Reddit, Dropbox, Cruise, and Instacart.

Backed by

Combinator

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Aaron Levin - Solutions Architect
Noa Flaherty - CTO
Ben Slade - Sales
Akash Sharma - CEO
👋 Your partners in AI Excellence
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We've cut latency by 50% and reliably handle 90,000+ monthly production requests with Vellum. The flexibility of the platform and their first-class support transformed how we deliver real-time features without performance trade-offs.

Sasha Boginsky
Full Stack Engineer, AI Product

We accelerated our 9-month timeline by 2x and achieved bulletproof accuracy with our virtual assistant. Vellum has been instrumental in making our data actionable and reliable.

Max Bryan
VP of Technology and Design