Manus AI vs ChatGPT vs Claude: Which AI Agent Actually Gets Things Done in 2026?
## Table of Contents – [The Agent Landscape in 2026](#the-agent-landscape-in-2026) – [How We Tested](#how-we-tested) – [Test #1: Research and Report Writing](#test-1-research-and-report-writing) – [Test #2: Multi-Step Coding Task](#test-2-multi-step-coding-task) – [Test #3: Email Inbox Management](#test-3-email-inbox-management) – [Test #4: Travel Planning and Booking Research](#test-4-travel-planning-and-booking-research) – [Test #5: Data Analysis and Visualization](#test-5-data-analysis-and-visualization) – [Results Summary](#results-summary) – [Which Agent Wins in Each Scenario](#which-agent-wins-in-each-scenario) – [The Honest Assessment](#the-honest-assessment) – [What None of Them Do Well Yet](#what-none-of-them-do-well-yet) ## How We Tested **Test methodology:** Each agent was given the same task prompt, under the same constraints, without human intervention during execution. We measured: – Task completion rate –