---
date: "2025-07-01T08:53:45Z"
updated: 2026-04-16T10:27:04-07:00
categories:
  - llms
  - linkedin
description: "Keeping an “impossibility list” is a useful way to track how quickly AI limitations are disappearing and which ones remain stubborn."
keywords: ["LLM limitations", "impossibility list", "AI progress", "capability tracking", "agents", "image generation"]
---

If someone asked me, "What's changed this year in LLMs", here's my list:"

- Prompt engineering is out. Evals are in. https://www.linkedin.com/feed/update/urn%3Ali%3Ashare%3A7335146366681194496/
- Hallucinations are fewer and solvable by double-checking. https://www.linkedin.com/feed/update/urn%3Ali%3Ashare%3A7326902628490059776/
- LLMs are great for throwaway code / tools. https://www.linkedin.com/feed/update/urn%3Ali%3AugcPost%3A7319277426029539329/
- LLMs can analyze data. No more Excel. https://www.linkedin.com/feed/update/urn%3Ali%3Aactivity%3A7345062233996988417/
- LLMs are good psychologists. https://www.linkedin.com/feed/update/urn%3Ali%3Ashare%3A7326504476712808449/
- Image generation is much better. https://www.linkedin.com/feed/update/urn%3Ali%3AugcPost%3A7304716144379076608/
- LLMs can speak well enough to co-host a panel. https://www.linkedin.com/feed/update/urn%3Ali%3Ashare%3A7283025621503356930/
- ... and create podcasts. https://www.linkedin.com/feed/update/urn%3Ali%3Ashare%3A7326544867734540288/

But:

- LLMs are still not great at slides. https://www.linkedin.com/feed/update/urn%3Ali%3Ashare%3A7311066572113002497/
- LLMs still can't follow a data visualization style guide.
- ~~LLMs can't yet create good sketch notes.~~ **Apr 2026**: With Nano Banana, they can, and Nano Banana Pro doesn't even make spelling mistakes.
- LLMs still draw bounding boxes as well as specialized models.
- ~~Agents (LLMs running tools in a loop) can think only for ~6 min.~~ **Apr 2026**: With Opus 4.6 and GPT 5.4, agents run for _several hours_ independently.

What's on your list of things LLMs still can't do?

![](https://files.s-anand.net/images/2025-07-01-llm-impossibility-list-linkedin.jpg)

[LinkedIn](https://www.linkedin.com/feed/update/urn%3Ali%3Ashare%3A7345736358277103616)

---

**UPDATES**:

- 16 Apr 2026: LLMs don't speak niche foreign language dialects perfectly. Gemini speaks Dutch, Tamil, etc. well but not specific accents. ElevenLabs cannot clone [MGR's voice](/blog/mgr-via-elevenlabs/) perfectly yet.