ascii

ascii — Agent orchestration over Telegram, running on box's VM infrastructure. ascii is the agent-facing product built on box's VMs; its own comparison page describes it as a "pocket CTO on Telegram" doing multi-repo dispatch and cross-VM agent communication. Everything toolweight records about its runtime comes from that same vendor table: the box capability set minus SSH access and minus the 1000-concurrent-VM claim. None of it has been checked independently, and no pricing, boot-time or isolation detail is published there at all. Built by ASCII.

We track it in 1 comparison — Sandbox providers — so every claim below is a cell in a table you can open and check rather than an impression. Across those rosters it sits against 19 other tools, and what follows is where it visibly separates from them.

Where it gives ground.

• Meter — subscription, 15th of 19. Cloudflare Sandbox records per-10ms.

None of these disqualify it on their own. They are the fields to check against your own requirements before you commit, because they are the ones where a competitor genuinely does better.

A caveat on the data. Only 6 of the 26 fields we track for ascii carry a value, so treat this profile as partial — an absent red flag is not evidence that there isn't one. Last verified 2026-07-23. Every figure keeps its own provenance — measured by us, claimed by the vendor, inferred, or community-reported — and we would rather print a dash than a guess.

Its nearest neighbour in our data is Blaxel. Blaxel takes Meter (per-second against subscription) and Snapshot & fork (Yes against Partial). That pattern repeats across the rest of the roster — see ascii alternatives for the other rivals, each compared the same way.

Company

ASCII

Fields we track

6 of 26

Last verified

2026-07-23

The only row here where the product is the agent layer and the VM is an implementation detail — ascii is ASCII's Telegram-driven orchestration sitting on box's infrastructure, so its capability cells are box's minus SSH and minus the concurrency claim. Every one of them is transcribed from ASCII's own comparison table and none is verified. Judge it as an agent harness with a VM attached, not as a sandbox API, and expect to establish the fundamentals — isolation, price, boot time — yourself, because the table does not address any of them.

Meter

subscription15th of 19

Inferredverified 2026-07-23source

Root in guest

●Yes1st of 20

Inferredverified 2026-07-23source

Custom images

◐Partial14th of 20

Inferredverified 2026-07-23source

Preview URLs

◐Partial13th of 19

Inferredverified 2026-07-23source

Snapshot & fork

◐Partial6th of 18

Inferredverified 2026-07-23source

ascii is the right call in these situations, each one drawn from a field we actually record:

• You want an agent you message rather than an API you call.
• Multi-repo dispatch across long-running VMs.
• You are already using box and want the harness on top.

Reach for something else when any of the following is a requirement rather than a nice-to-have:

• Meter. ascii records subscription, 15th of 19 in the Sandbox providers roster. Cloudflare Sandbox records per-10ms on the same field. If that is a hard requirement rather than a preference, start elsewhere.

We publish this block because a comparison that only lists what a tool is good at is marketing. Every figure above sits on the same page as its source, and the field definitions are on the category tables if you want to check how we measured them.

What we don't know. 20 of the 26 fields we track for ascii are still blank: Cold start, Cold start (claimed), Isolation, Egress control, Max runtime, Persistent FS, GPU and Runtimes, and 12 more. Those render as dashes rather than as zeroes or assumptions, because an empty cell and a bad cell are not the same thing and only one of them is honest. If you know any of these figures and can point at a document, tell us.