Pricing details coming soon
Open source.
Run it yourself.
Halper is MIT licensed and self-hosted on your Cloudflare account. The software itself is free — you pay only for the Cloudflare infrastructure you use.
Get Started FreeYou pay for your infrastructure, not ours
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Cloudflare Workers
The main app runs as a Cloudflare Worker. Workers are priced at $5/month for 10M requests — more than enough for any team.
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Durable Objects
Agent state and conversation history live in Durable Objects with SQLite. Included in the Cloudflare Workers paid plan.
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Workers AI
Access Llama 4, DeepSeek, and other open models via Workers AI. Generous free tier, with usage-based pricing for scale.
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R2 Storage
Workspace files are stored in R2. First 10GB free, then $0.015/GB/month. No egress fees.
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Managed Halper
A hosted version of Halper — zero infrastructure, instant setup, enterprise support — is in the works. Details coming soon.
Frequently asked questions
Is Halper really free?
Yes. The Halper software is MIT licensed — free to use, modify, and deploy. You're responsible for the Cloudflare infrastructure costs, which are minimal for most use cases.
What Cloudflare plan do I need?
You'll need at minimum the Workers Paid plan ($5/month) to use Durable Objects and the full feature set. Workers AI usage is billed separately based on inference calls.
Does Halper send data to any third-party servers?
No. Halper runs entirely within your Cloudflare account. There's no telemetry, no analytics pipeline, and no Halper-operated backend. Your conversations and data stay in your Cloudflare tenancy.
Can I use external AI models like Claude or GPT-4?
Yes. Halper supports any OpenRouter-compatible model, meaning you can use Claude, GPT-4, Gemini, and many others. You provide your own API key — no markup.
Is there a hosted version I can sign up for?
Not yet, but a managed hosted version is in development. Follow the GitHub repo for updates.