Claude Opus 4.7 vs GPT-5.5: Which AI Actually Codes Better in 2026?

Описание: Benchmarks are meaningless if an AI can't survive a real codebase. I gave GPT-5.5 and Claude Opus 4.7 the exact same repo, the same branch, and the same product brief — and let them race to build real features for LazyCut Pro, my own YouTube creator workflow tool.

One model made prettier design choices. The other one actually got closer to a working product. The gap between "impressive demo" and "production-ready code" has never been more obvious.

🔍 What's covered in this video:
Intro to LazyCut Pro: what it does and why it exists
The 4 real product tasks both models had to complete
Task 1: YouTube URL video download with project creation & transcription
Task 2: Full product page redesign (left rail, function panel, video player layout)
Task 3: Short-form clips feature — think Opus Clips, but built by an AI agent in 30 minutes
Task 4: Planner tab with calendar view, scheduling, metadata editing & retry logic
Live walkthrough of both deployed versions side-by-side
Where Claude Opus 4.7 won and where GPT-5.5 fell short (and vice versa)
Architecture decisions, UI judgment, and backend reliability compared
Final verdict: which model would you actually trust in your repo?

This isn't a vibe check or a leaderboard score — it's what happens when you drop two of the most powerful AI coding agents into a messy, real-world project with auth, media processing, scheduling, and actual product requirements.

🌐 Try the live versions yourself:
Claude version: lazycutcloud.optopdance.com
Codex version: lazycutcodex.optopdance.com

💬 Which model do YOU think did a better job? Drop your verdict in the comments — I read every one.

👍 If you found this useful, smash the like button and subscribe for more real-world AI coding tests, creator tools, and honest model comparisons. I post new experiments every week.
0:00 Intro — Why Benchmarks Don't Tell the Full Story
1:10 Meet LazyCut Pro: The Real Product Being Built
3:00 The 4 Tasks Both Models Had to Complete
4:30 Task 1: YouTube URL Video Download
6:00 Task 2: Product Page Redesign
7:30 Task 3: Short-Form Clips Feature (AI vs Opus Clips)
9:15 Task 4: Planner Tab with Calendar & Scheduler
10:45 Live Walkthrough — Claude Opus 4.7 Version
12:00 Live Walkthrough — GPT-5.5 (Codex) Version
13:30 Side-by-Side Comparison & Key Observations
14:20 Final Verdict: Which Model Would You Trust in Your Repo?
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