✓ Sigma AI Browser
A Chromium-based browser with a built-in AI agent, local LLM, and privacy tools.
Why we recommend them
Sigma is an AI-first browser built on Chromium that adds an AI agent for automating web tasks, an AI chat for research and content generation, and Eclipse, a local LLM that processes prompts on-device. It's aimed at users who want AI browsing features—like chatting with pages, deep research, and task automation—paired with privacy protections such as end-to-end encryption and phishing detection. Available for macOS and Windows, with iOS, Android, and Linux support in progress.
✓Free to download for macOS and Windows; mobile and Linux versions are waitlisted/upcoming
✓Includes an on-device LLM (Eclipse) for local, offline AI processing without sending data to servers
✓Built-in ad blocker, phishing detection, TLS 1.3/DNS-over-HTTPS, and open-source code for transparency
What we actually verified
8/10 TrustScore—Money-back guarantee verified
—Free trial available
✓Reachable customer service“…xtensions, clear the workspace cache, and relaunch. Contact [email protected] for step‑by‑step help. Where can I learn mor”
✓No fine-print return conditions
✓No unrealistic claims detected
Vetted 2026-07-13 · How we vet →
Common questions about Sigma AI Browser
Is Sigma AI Browser legit and safe to buy from?
Yes — Sigma AI Browser passed the WhatiseBrokering.com vetting checklist (try before you buy, no fine-print returns, a real way to reach them, realistic claims only) before being listed. We remove companies that stop meeting the standard.
Can I try Sigma AI Browser before committing, or get my money back?
Every company in our directory must offer a free trial or, at minimum, a 7-day money-back guarantee from the day your product arrives — with no fine-print return conditions like "unopened" or "original packaging". Sigma AI Browser met this requirement at the time of vetting.
How do I reach Sigma AI Browser if something goes wrong?
Sigma AI Browser publishes a real customer-service contact (phone or email) — that's a listing requirement. If you can't get a response, tell us at [email protected] and we'll review their listing.
Why is Sigma AI Browser listed on WhatiseBrokering.com?
We discovered and vetted Sigma AI Browser ourselves. They don't pay us anything — they're listed purely because they meet the standard.
Had a bad experience with Sigma AI Browser?
This directory only works if every listing keeps earning its place. If Sigma AI Browser didn't live up to the standard — refused a return, unreachable support, misleading claims, anything — tell us. We'll re-review them against our vetting criteria, and if they're not abiding by our rules, we remove the listing. No exceptions, no pay-to-stay.