WBX Sandbox vs Threadless AI

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

WBX Sandbox compared with Threadless AI
Detail	WBX Sandbox	Threadless AI
What it does	Secure execution for AI agents in isolated Firecracker microVMs or WebAssembly	Hosted memory for AI agents that forgets like people do
Stage	Not given	Not given
Founded	Not given	Not given
Based in	CZ	Not given
Pricing model	Not given	Free trial
Pricing	Free plan: no card required, 5 concurrent sandboxes, up to 1 hour per sandbox, one-time welcome credit. Pro: $49.00/month (excl. VAT) with $25.00 usage credit, 25 concurrent sandboxes, up to 24 hours per sandbox, 100 vCPU/100 GB RAM total. Team: $119.00/month (excl. VAT) with $50.00 usage credit, 10	Two meters: user turns (per user turn) and stored memory (per GB-month). Pricing to be announced. Free tier with monthly allowance of turns and memories.
Key features	Isolated Firecracker microVMs with own kernel and filesystem Background jobs that survive disconnects Batch execution with up to 1,000 jobs and dependency passing WebAssembly jobs starting in milliseconds without VM boot Budget Guard with cost reserves and limits Execution receipts with runtime, isolation, resources and file hashes Native MCP server integration for ChatGPT and Claude Compact log digests instead of full 5,000-line logs Server-side job waiting with signed webhooks Verified package cache for PyPI, npm, Go and Rust	Conversation episodes with automatic cutting and concept-based organization Activation fading by square root of time with significance tracking Automatic fact extraction and indexing for recall Recall system that surfaces relevant past facts when needed Sleep function that fades context after 24+ hours of silence Fallback to local tail when service is unreachable
What makes it different	Two runtimes with honest isolation labeling	Forgets like people do with fading by time, not truncation Your model, your key, your loop; service only holds history Facts kept permanently even as episodes fade from view Decorate, submit, report: only three lines of integration Human-inspired memory mechanism based on cognitive science
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	2 no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	0	0
Referring domains (Majestic)	0	0

4 details filled in for both companies.

More alternatives to WBX Sandbox More alternatives to Threadless AI