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Anna vs ChatGPT

Two fact sheets from our own research, side by side — pricing, platforms, API access and status re-checked by us rather than quoted from the vendors. ChatGPT publishes a starting price ($8); Anna does not. Both have a free tier. Only ChatGPT ships a public API.

AnnaA downloadable AI companion with persistent memory that runs locally across desktop, mobile, and chat apps.ChatGPTGeneral assistant with tools, memory, files and voice

Side by side

FactAnnaChatGPT
CategoryPersonal AI AssistantsGeneral-purpose AI Chatbots
Pricing modelFreemiumFreemium
Starts at—$8 month
Public APINoYes
PlatformsmacOS, Windows, Linux, iOS, Android, WebWeb, iOS, Android, macOS, Windows, API
CompanyAnnaOpenAI
Launched—2022
Last verifiedSep 1, 2026Sep 6, 2026

What our research says

Anna

Anna's distinguishing pitch is running as a local agent with memory that persists across devices and chat apps, rather than a purely cloud-hosted chatbot. Without a disclosed company name or pricing beyond a mention that a free tier exists, it is hard to assess who is accountable for the product or what it costs once the free tier is outgrown.

Pros

  • Runs as a local agent across macOS (Intel and Apple Silicon), Windows, and Linux, not just a web app
  • Reachable through Telegram, WeChat, and WhatsApp in addition to native apps
  • Delegates tasks to specialized sub-agents rather than handling everything in one general model, per its own description

Cons

  • No company name, headquarters, or legal entity is disclosed anywhere found on the site
  • No pricing page or paid-tier figures could be located beyond a mention that a free tier exists
  • A downloadable agent with broad task permissions from an unnamed vendor is a harder trust decision than a purely web-based tool

ChatGPT

ChatGPT is the default general assistant and the one everyone else is measured against, but the tier you need is rarely the one you first buy. Free is now ad-supported, and the jump to genuinely unlimited reasoning is steep.

Pros

  • Broadest tool surface of any consumer assistant: browsing, code, images, voice, connectors
  • The $8 Go tier closed the gap between free and a $20 commitment
  • Apps on every desktop and mobile platform, not just a web wrapper
  • Model quality is consistently at or near the front of the field

Cons

  • Advertising now appears on the free and Go tiers
  • Message and reasoning limits are opaque and change without notice
  • Tier structure has churned repeatedly, so any price you quote ages fast
  • The API is a separate purchase, which surprises buyers who assume Plus includes it

Which one fits

Choose Anna if you need

  • Users who want an assistant that keeps context across macOS, Windows, Linux, and mobile rather than resetting per session
  • People who already message through Telegram, WeChat, or WhatsApp and want the assistant reachable there

Choose ChatGPT if you need

  • General knowledge work, drafting, analysis and code across one interface
  • Anyone who wants file, image, voice and browsing input without assembling tools
  • Teams that need admin controls and data-retention terms via Business or Enterprise
  • Light users who want more headroom than free without paying $20

More comparisons

All ChatGPT alternatives →Browse all Personal AI Assistants →