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Comet vs Opera Neon

A side-by-side comparison of Comet and Opera Neon, two Assistant tools, drawn from Ignaite's continuously-verified listings.

Compared from listings verified as of

Comet

Assistant

Perplexity's AI browser with a sidebar assistant that acts across your tabs.

View Comet

Opera Neon

Assistant

Opera's subscription agentic browser — built to act, not just browse.

View Opera Neon

At a glance

Feature comparison of Comet and Opera Neon
AttributeCometOpera Neon
CategoryAssistantAssistant
Pricing (differs)FREEMIUMPAID
LicenseProprietaryProprietary
DeploymentLocalLocal
Platforms (differs)Windows, macOS, Android, iOSWindows, macOS
Model supportMulti-modelMulti-model
Vendor (differs)PerplexityOpera
Capabilities (differs)
  • Browser automation
  • Agent memory
  • Web research agent
  • Summarization
  • Email assistant
  • Calendar scheduling
  • Browser automation
  • Trigger-action automation
  • AI app builder
  • Web research agent

The honest brief

Comet

The only major AI browser free across desktop and mobile, with an assistant that can act on open tabs, email, and calendar from the sidebar.

  • Free on desktop and mobile
  • Sidebar assistant acts across tabs
  • Chromium base imports Chrome data
  • Deep Research and voice built in
  • Closed source
  • Frontier models need Pro or Max
  • Publisher content costs $5/month
  • Assistant needs broad data access

Opera Neon

Agent-first where rivals bolt chat onto browsing — Do acts on live pages and Make builds mini-apps, beyond the sidebar-assistant browsers.

  • Chat, Do, and Make agents built in
  • Premium frontier models in one subscription
  • Cards make prompt workflows repeatable
  • ODRA deep-research agent cites sources
  • Built-in VPN and ad blocker
  • Subscription-only — no free tier
  • $19.90/month where rival AI browsers are free
  • Explicitly experimental; features change weekly
  • Desktop-only (Windows and macOS)

When to pick which

Opera Neon leans on Browser automation as a headline capability; Comet treats it as secondary.

  • Browser automation (primary capability)

They also differ on:

Pricing
FREEMIUM · PAID
Platforms
Windows, macOS, Android, iOS · Windows, macOS

Their capability lists differ in recorded depth — compare the full lists above before deciding.

Comet detailsOpera Neon detailsAll Assistant apps