Skip to content

ChatGPT Atlas vs Fellou

A side-by-side comparison of ChatGPT Atlas and Fellou, two Assistant tools, drawn from Ignaite's continuously-verified listings.

Compared from listings verified as of

ChatGPT Atlas

Assistant

OpenAI's web browser with ChatGPT built in — sidebar, memories, and agent mode.

View ChatGPT Atlas

Fellou

Assistant

Agentic browser that plans and executes web tasks for you.

View Fellou

At a glance

Feature comparison of ChatGPT Atlas and Fellou
AttributeChatGPT AtlasFellou
CategoryAssistantAssistant
Pricing (differs)FREEMIUMFREE
LicenseProprietaryProprietary
DeploymentLocalLocal
Platforms (differs)macOSmacOS, Windows, Linux
Model support (differs)Single model (proprietary)—
Vendor (differs)OpenAIFellou AI
Capabilities (differs)
  • Browser automation
  • Agent memory
  • Web research agent
  • Summarization
  • Browser automation
  • Workflow orchestration
  • Web research agent
  • Report generation

The honest brief

ChatGPT Atlas

No browser ties deeper into ChatGPT — your existing account brings memories, chat history, and agent mode to every page without a separate assistant.

  • ChatGPT sidebar on every page
  • Browser memories carry context
  • Agent mode automates web tasks
  • Familiar Chromium foundation
  • macOS only so far
  • Agent mode needs a paid plan
  • Closed source
  • Prompt-injection risks under scrutiny

Fellou

Plans a visible, editable action plan and then autonomously executes multi-site tasks — research, forms, reports — instead of just answering questions.

  • Autonomous multi-site task execution
  • Review and intervene at any step
  • Deep research across many tabs
  • Cross-platform: macOS, Windows, Linux
  • Drag-and-drop local file analysis
  • Early-stage, credit-gated beta
  • No mobile version
  • Agentic browsing raises security questions
  • Free 'Spark' credits run out quickly

When to pick which

Both cover Browser automation and Web research agent.

Pick ChatGPT Atlas if you need Agent memory and Summarization.

  • Agent memory (secondary capability)
  • Summarization (secondary capability)

Pick Fellou if you need Workflow orchestration and Report generation.

  • Workflow orchestration (primary capability)
  • Report generation (secondary capability)

They also differ on:

Pricing
FREEMIUM · FREE
Platforms
macOS · macOS, Windows, Linux
ChatGPT Atlas detailsFellou detailsAll Assistant apps