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Codex 3.0 by OpenAI

Codex can now build, test & debug on autopilot

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With GPT-5.5, Codex evolves into a true cross-app coding agent—navigating browsers, interacting with web apps, generating docs in Microsoft Office and Google Drive, and testing workflows like a real user. It sees, clicks, debugs, and iterates autonomously, bringing developers closer to reliable, end-to-end automated builds.

PH · launched Apr 24, 2026 · 304 upvotes (top 35%) · 0 views

Niche: ai coding agents · 470 launches, 22 in the last 7 days ▼ -48% · Explore this niche →

Category and tags
  • Horizontal
  • Dev tools
  • Developer
  • AI-native
  • Commercial product
  • Developer Tools
  • Artificial Intelligence
  • Development

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More like this: all 470 launches in ai coding agents →

Could you build this?

No Codex 3.0 relies on OpenAI's state-of-the-art frontier multimodal models (GPT-5.5) capable of autonomous computer vision, OS-level interaction, and autonomous multi-hour coding workflows.

What it would actually take: Recreating this requires multi-billion dollar frontier model pretraining and post-training on massive multimodal and code datasets, combined with a secure, highly scalable cloud VM virtualization infrastructure for real browser/desktop interaction. It represents the bleeding edge of AI research and massive-scale cluster operations.

Competitors

Other products that read as similar to this one : 630 launches clear the similarity bar, closest 8 shown.

Attention rank: #300 of 631 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 158 days after the earliest competitor.

  • AigoPilot · ph · 2026-10-13 · 1 upvotes · similarity 0.51
  • Codex Office · ph · 2026-10-29 · 1 upvotes · similarity 0.51
  • Codex Skills · ph · 2026-10-31 · 1 upvotes · similarity 0.51
  • AgentBox · hn · 2026-04-23 · 8 upvotes · similarity 0.50
  • OpenAI Agents API · ph · 2026-09-15 · 143 upvotes · similarity 0.48
  • open-ai-codex-examples · github · 2026-09-21 · 9 upvotes · similarity 0.48
  • Codex Remote · ph · 2026-09-29 · 74 upvotes · similarity 0.47
  • Codex Plugins · ph · 2026-03-27 · 202 upvotes · similarity 0.47

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