20+ Best Alternatives to Vellum in 2026
An AI Assistant that adapts to how you work, acts before you ask, and is entirely yours to customize.
Looking for an alternative to Vellum? Below are 20 AI startups working in the same space — ranked by our Neuron score so the most credible options come first. Each card shows what makes the tool a viable substitute, pricing signals, and funding stage.
- 1View alternative →
Adept AI
$350MAI that takes actions in any software
Why it's similar: Shares categories with Vellum — AI Agents, AI Productivity.
💵 Enterprise · Contact sales
- 2View alternative →
Upstage AI
UndisclosedBuilding intelligence for the future of work with high-performance AI solutions.
Why it's similar: Shares categories with Vellum — AI Agents, AI Productivity.
💵 Enterprise · Contact sales
- 3View alternative →
Dust
UndisclosedDeploy, orchestrate, and govern fleets of specialized AI agents safely connected to your company's knowledge and tools.
Why it's similar: Shares categories with Vellum — AI Agents, AI Productivity.
💵 Enterprise · Contact sales
- 4View alternative →
rabbit r1
Undisclosedrabbit r1 is your AI assistant device, offering native OpenClaw access and DLAM for seamless task execution across your digital environment.
Why it's similar: Shares categories with Vellum — AI Agents, AI Productivity.
💵 Paid
- 5View alternative →
GitHub Copilot
UndisclosedThe world's most adopted AI code assistant — 1M+ developers inside GitHub
Why it's similar: Shares categories with Vellum — AI Agents, AI Developer Tools.
💵 Free · From $10/mo
- 6View alternative →
Gemini Code Assist
UndisclosedGoogle's AI code assistant — 1M token context, deeply integrated with Google Cloud
Why it's similar: Shares categories with Vellum — AI Productivity, AI Developer Tools.
💵 Free trial
- 7View alternative →
Cursor
$7.6BThe AI code editor built for productive engineers.
Why it's similar: Shares categories with Vellum — AI Agents, AI Developer Tools.
💵 Free · From $20/mo
- 8View alternative →
Imbue
$232MTools to empower humans in the AI age with reliable, collaborative coding agents.
Why it's similar: Shares categories with Vellum — AI Agents, AI Developer Tools.
💵 Free
- 9View alternative →
JetBrains AI Assistant
UndisclosedAI inside IntelliJ, PyCharm, WebStorm — code without leaving your JetBrains IDE
Why it's similar: Shares categories with Vellum — AI Agents, AI Developer Tools.
💵 Free · From $8/mo
- 10View alternative →
Kiro
UndisclosedAmazon's spec-driven AI IDE — build with PRDs, not prompts
Why it's similar: Shares categories with Vellum — AI Agents, AI Developer Tools.
💵 Freemium
- 11View alternative →
Motion
UndisclosedAI calendar + project manager that auto-prioritizes your day.
Why it's similar: Shares categories with Vellum — AI Agents, AI Productivity.
💵 Free trial · From $19/mo
- 12View alternative →
Notion AI
$343MConnected AI workspace
Why it's similar: Shares categories with Vellum — AI Agents, AI Productivity.
💵 Free · From $8/mo
- 13View alternative →
xAI
$56BAI designed to understand the universe
Why it's similar: Shares categories with Vellum — AI Agents, AI Developer Tools.
💵 Paid
- 14View alternative →
Cognition
$1.1BApplied AI lab building Devin, the AI software engineer.
Why it's similar: Shares categories with Vellum — AI Agents, AI Developer Tools.
💵 Free · From $500/mo
- 15View alternative →
Zhipu AI
$1.5BChinese foundation model lab behind ChatGLM and GLM-4.
Why it's similar: Shares categories with Vellum — AI Agents, AI Developer Tools.
💵 Free
- 16View alternative →
Grammarly
$200MAI writing assistant for individuals and teams.
Why it's similar: Shares categories with Vellum — AI Agents, AI Productivity.
💵 Free · From $12/mo
- 17View alternative →
Jasper
$125MAI copilot for enterprise marketing teams.
Why it's similar: Shares categories with Vellum — AI Agents, AI Productivity.
💵 Free trial · From $49/mo
- 18View alternative →
Bloop
$11MUnderstand any codebase instantly — semantic code search powered by AI
Why it's similar: Shares categories with Vellum — AI Agents, AI Developer Tools.
💵 Free
- 19View alternative →
Glean
$750MWork AI for the entire enterprise
Why it's similar: Shares categories with Vellum — AI Agents, AI Productivity.
💵 Enterprise · Contact sales
- 20View alternative →
Inflection AI
$650MPersonal AI for everyone
Why it's similar: Shares categories with Vellum — AI Agents, AI Developer Tools.
💵 Free
Frequently asked questions
What are the best alternatives to Vellum?
The top-ranked alternatives to Vellum on NeuronFeed are Adept AI, Upstage AI, Dust, rabbit r1, GitHub Copilot. Rankings are based on our Neuron score, which weighs funding, momentum and editorial signal.
Is there a free alternative to Vellum?
Yes — GitHub Copilot, Cursor, Imbue offer a free plans. See the pricing column for each alternative above.
How is this list ranked?
We rank alternatives by shared categories with Vellum, then by our proprietary Neuron score (0–100) which combines funding, team quality, momentum, and editorial input. The list refreshes every 30 days.
Vellum vs Adept AI — which is better?
It depends on use case. Adept AI (AI that takes actions in any software) is the #1-ranked alternative. See the full side-by-side at /compare/vellum-vs-adept.
Explore more around Vellum
Contextual paths to related AI startups, deals and rankings.