ChatGPT 5.4 vs Claude 4 — OpenAI’s Latest Update Tested (Full Guide)

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In this video, I put ChatGPT 5.3, ChatGPT 5.4 Thinking, and Claude 4 through real-world tests — coding, reasoning, creativity, long-context analysis, and automation — to see how they actually perform outside of demos and benchmarks.

From confident hallucinations to cautious, transparent answers, from slow “thinking” interfaces to instant execution, and from powerful automation features to real privacy concerns — this is a grounded, side-by-side breakdown of how these models behave in practice and where AI is actually heading.

📌 In this video:
✅ ChatGPT 5.3 vs 5.4 vs Claude 4 — real comparison
✅ The biggest problems with GPT-5.3 (hallucinations, creativity loss)
✅ Why GPT-5.4 is powerful — but slow and controversial
✅ Claude 4’s biggest advantage (and why devs switched)
✅ Computer Use explained — and why it’s risky
✅ Which AI model you should actually use in 2026

⏱️ TIMESTAMPS:
00:00 – ChatGPT 5.3 First Tests
01:36 – Factual Accuracy Test
05:12 – Long Document Test
06:09 – ChatGPT 5.4 Thinking Intro
07:38 – Computer Use Feature
10:06 – Stateful Memory Test
11:38 – Zero Latency Reasoning
12:16 – Backend Development
13:11 – The Ethics Moat
13:54 – Final Verdict

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