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Claude Code vs Cursor vs Codex: I Tested All Three on the Same Task

This story is from 2026-09-08. It is preserved in the archive; the latest stories are on the live feed.

The AI coding agent space has gone from "novelty" to "daily driver" fast. Three tools — Claude Code (Anthropic), Cursor (the IDE), and OpenAI Codex CLI — all claim to save you hours. But do they actually deliver when the task gets messy? I ran the same non-trivial feature through all three: buildin…

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  1. 2026-09-08 13:09 · DEV Community — AI
    Claude Code vs Cursor vs Codex: I Tested All Three on the Same Task

More stories

  1. I ran Claude code and Codex in parallel for 15 days. Here's what I found. — r/AI_Agents
  2. Anthropic selects Accenture as first embedded evaluator to help implement Amodei's slowdown proposal — CNBC Technology
  3. OpenAI ‘ethically hacked’ with help of Anthropic’s Claude chatbot — The Guardian AI
  4. Researchers used Claude to hack OpenAI — Ars Technica AI
  5. I built an iOS app with Claude code to break out of my usual chord habits and unlock new progressions. — r/ClaudeAI
  6. Pay $39.99 once to put ChatGPT, Claude, Gemini, and more in a single workspace for life — Mashable AI
  7. Independent Security Researchers Used Anthropic’s Claude to Break Into OpenAI — r/singularity
  8. This Ford exec put her family's Claude assistant on a PIP. ChatGPT has taken over. — Business Insider AI

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