Vellum vs Inngest: Features, Pricing and User Reviews 2026
Inngest
Reliable Workflows & Background Jobs Platform
Inngest
Reliable Workflows & Background Jobs Platform
What are Vellum and Inngest?
Vellum is a platform that helps you create AI applications from start to finish. You can build chatbots, content tools, data analysis systems, or custom AI assistants. The platform works with all major AI models including GPT-4, Claude, and open source options.
What makes Vellum different is its agent builder. You describe what you want your AI to do in plain language, and it automatically creates the workflow. You can connect your AI to business tools like HubSpot, Slack, and Google Drive. The platform includes testing tools to check quality before launch and monitoring to track how well things work after launch.
Both technical and non-technical team members can use Vellum. Developers set up connections and security, while other team members adjust prompts and workflows without touching code.
Inngest is an event-driven durable execution platform built to run reliable, multi-step workflows on any platform without managing infrastructure. Think of it as a mix between traditional queues and modern serverless functions, but much better.
It uses step functions and incorporates real-time event processing, enabling developers to build complex workflows that can run for days or months with automatic error recovery. The main difference from regular workflow tools is simple: instead of setting up queues and managing state, you write normal code and Inngest handles all the infrastructure complexity.
Each step in your workflow automatically retries on failure and maintains state between executions, allowing you to easily build reliable systems. Founded in 2021, this tool has become popular because it eliminates infrastructure headaches and makes complex workflows easy. You can write functions in TypeScript, Python, or Go and deploy anywhere.
Features of Vellum and Inngest
Build AI agents by describing tasks in plain language
Visual workflow builder with drag-and-drop interface
Support for GPT-4, Claude, and open source models
Document upload and intelligent search capabilities
Real-time testing and quality evaluations
One-click deployment with API access
Version control and rollback options
Performance monitoring and cost tracking
Team collaboration tools
Integration with business software
Durable step functions with automatic retries and state management
Event-driven workflow triggers and scheduling
AI orchestration with AgentKit for multi-agent systems
Multi-language SDKs (TypeScript, Python, Go)
Real-time observability with logs, traces, and metrics
Multi-tenant concurrency control and throttling
Self-hosting and cloud deployment options
Serverless, edge, and server compatibility
Use Cases of Vellum and Inngest
Pricing of Vellum and Inngest
Vellum offers flexible pricing plans designed for different team sizes and needs.
The Startup Plan is designed for teams looking to use Vellum's complete product suite to build strong AI applications. This plan includes prompt engineering tools, workflow creation through both the visual interface and code, document retrieval with smart search, testing tools for quality checks, deployment options, and monitoring capabilities. Teams get up to 5 user accounts. Pricing is custom based on your needs, and you can book a demo to discuss details.
The Enterprise Plan is built for larger companies with specific requirements and need for extra support. This plan includes everything in the Startup plan plus role-based access control to manage permissions, multiple workspaces for different teams or projects, option to install in your own cloud environment, connections to external monitoring tools, single sign-on for easy access, custom contracts with security agreements, dedicated support with guaranteed response times, and custom number of users. Contact their team to discuss pricing and get a personalized quote.
Inngest offers flexible pricing plans that scale with your usage. The Hobby plan is completely free and includes 100,000 executions per month, perfect for getting started and small projects. After the free limit, you pay only $50 per million additional executions.
The Pro plan starts at $75 per month and includes higher execution limits, advanced features like granular metrics, increased scale and throughput, and extended trace retention. Pro users get priority support and enhanced monitoring capabilities.
For larger organizations, Enterprise pricing is available with custom terms. Enterprise includes SAML authentication, role-based access control (RBAC), audit trails, dedicated Slack support, and 90-day trace retention. Enterprise customers also get exportable observability data and service level agreements.
All plans include unlimited environments for development and staging, making it easy to test workflows before production deployment.
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