A summer shipping recap: Caiioo from any browser, 500+ models, and apps you can make your own

2026-07-22 · Caiioo Team

Between June 12 and July 21 we shipped eleven releases (0.9.723 through 0.9.733). Some of them were quiet reliability work — the kind you only notice because things stop going wrong. But several are the kind of features that change what you can do with Caiioo day to day, and they haven't gotten a proper introduction yet. Here it is.

The thread that ties the summer together: your AI, on your terms, from anywhere.

The summer at a glance

Use Caiioo from any browser — through your own private relay

This is the one we're most excited about. When you're signed in and your desktop app is running, opening Caiioo.ai in any browser — a Chromebook, a tablet, a borrowed laptop, a locked-down work machine with no extensions allowed — now serves your full Caiioo workspace through your own private relay.

The important part is what doesn't change: every tool call still routes through your own machine. Your files, your connected services, your local tools — they stay on your hardware, reachable only through an end-to-end encrypted tunnel that only you can open. You get the convenience of "log in from anywhere" without the part where a SaaS company sits in the middle of your data to provide it.

That's the difference between remote access and remote hosting. We built the first one on purpose.

Make any app yours

Caiioo's Community Hub went into open beta this spring — one-click installs for connectors, skills, and entire apps. This summer's work is the natural next step: everything you install is now yours to remix.

Edit any mode's personality. You can now open the system prompt of any mode — built-in or Hub-installed — and change it. The first edit automatically forks it into a personal copy that sticks across sessions and syncs to your other devices. A banner shows when your copy is active, and one click restores the original.
Edit every part of a forked app. Cards, views, workflows, skills, modes, and variables each get a dedicated editor in Settings, with safe defaults so one malformed piece can't break the rest.
Save a session as an app. When a conversation turns into a workflow worth keeping, say "save this as an app" and Caiioo snapshots the setup into a draft personal app you can refine and reuse.

Install, try, tweak, keep. That's how tools should work.

500+ models with one key

CometAPI joined Caiioo as a bring-your-own-key provider. One OpenAI-compatible key gives you access to 500+ models — GPT, Claude, Gemini, DeepSeek, and more — with benchmark-tier medals in the model picker, search, and the Best / Value / ZDR quick filters you already know.

And when a task needs a capability your chosen provider doesn't serve — web search, video generation, certain image models — Caiioo routes that request through OpenRouter instead of failing with a confusing error. But only if you've added an OpenRouter key and approved OpenRouter as a provider. Your prompt never goes to a provider you haven't OK'd. That consent rule isn't a nice-to-have; it's the whole point of a privacy-first workspace.

Two new apps in the Hub

Caiioo for Medicine (beta) — a clinician decision-support factory bundling differential-diagnosis, drug-interaction, and SOAP-note skills with their reference materials. One-click install, forkable like any Hub app.
for Grant Writers — a grant-lifecycle copilot for nonprofits. It prospects live federal funding opportunities on Grants.gov fit-scored against your organization's profile, researches funders through their public 990 filings and federal award history, drafts LOIs and program sections aligned to a funder's stated priorities, and builds line-item budgets — all grounded in open, keyless data sources. It never invents deadlines or eligibility, and it never submits an application on your behalf.

A second opinion that shows its work

The Self Checker — the ⚖ button that gets you an independent verdict on any AI answer — grew real teeth this summer:

It can run actual Python to verify claims. Recompute a claimed statistic from the source data, re-derive a transformation — executed locally in the same no-network sandbox as everything else. A check that can't run cleanly reports as failed rather than silently passing.
The verdict computes on your own machine's relay, so it completes even if you close the panel — and the judge goes through the same privacy protections as the original conversation, so a verdict on a pseudonymized message never sees the real names.
Accuracy safeguards are now permanent. The built-in rules that keep the assistant grounded — stick to real sources, say so when unsure, cite where facts came from — used to be part of the default personality, which meant a custom instruction could quietly replace them. They're now a layer underneath everything: your customizations and installed apps add to them, never switch them off.

Voice and audio, rounded out

Two new voice providers. Cartesia (Sonic for text-to-speech, Ink for speech-to-text) and OpenAI's steerable voices joined the per-mode voice picker. The OpenAI voices follow natural-language direction — ask for "a warm Irish accent, slower pace" and that's what you get.
Ask follow-up questions about any recording. Attach a clip and the assistant no longer sees just a one-shot summary — it can go back and re-listen with a targeted question: "which words were mispronounced?", "what's the tone of voice?" — on that turn or any later one.
Record audio on iPhone and iPad. The composer's record-a-clip option arrived on iOS, matching the desktop app and extension — a natural pair with apps that listen, like the "for Languages" pronunciation coach.

The steady drumbeat

The less-visible majority of eleven releases, briefly: a deep streaming-reliability pass across every AI provider (dropped reply fragments, garbled non-English text, and stuck tool calls — fixed everywhere). Locking your phone or switching apps no longer kills a running response; Caiioo reconnects and finishes. Two security-hardening sweeps covering document imports, rendering, and dependencies. Sign in with Microsoft on every platform. LaTeX documents with properly typeset math previews. And optional, anonymous, content-free reliability analytics — first-party only, off by default in the EEA, UK, and Switzerland, with a one-tap switch either way and no feature difference for opting out.

Caiioo is a powerful, privacy-first workspace with an agentic orchestrator and chat interface that runs in a side panel. Start free with your own API key — research, read, plan, and draft — and upgrade to Pro when you want it to actually do the work. On Chrome, Edge, macOS, iOS, Android, Windows, and Linux — and now, from any browser you happen to be sitting at.

Get it at Caiioo.ai.