🚀 Open AI's Latest GPT-4.5 is Here 👀

Yes - this one flew under the radar. So chances are you didn’t catch that Open AI released Chat GPT-4.5 a few weeks ago on Feb 27th.

What You Need to Know About ChatGPT-4.5

So with the .5, one can assume that there are some improvements, but not yet a major version upgrade. And that’s, probably a safe assumption with this one. Although, this isn’t GPT-5 (yet), but it does introduce three key improvements that might make a difference in how you and your team use AI.

1. A Bigger Context Window 📖 (Yes just like the name of our newsletter)

What It Is:

ChatGPT-4.5 can process more information at once, meaning longer, more context-aware conversations without forgetting details.

Why It Matters:

✅ Analyze entire reports, not just snippets – Previously, if you fed ChatGPT with with a full document, it Feed AI a full-length document and get insights in one go.

✅ Better chatbot memory – Your AI-powered assistant will recall past interactions instead of resetting every time.

2. Faster and More Efficient ⚡

What It Is:

4.5 delivers snappier response times and improved processing speed—especially in real-time applications.

ChatGPT-4.5 doesn’t just respond quickly—it understands context better, delivers more natural conversation, and shows stronger creative judgment.

Why It Matters:

✅ Speed up research & brainstorming – Get AI-generated insights faster, making ideation and planning more seamless.

✅ Enhance AI-driven customer service – If your business uses AI for chatbots or automation, customers will notice smoother, quicker responses.

3. More Accurate & Less “Hallucination” 🧐

What It Is:

Every AI user has seen it: confidently wrong answers. GPT-4.5 is a bit more grounded.

ChatGPT-4.5 is better at fact-checking itself, reducing the likelihood of confidently wrong responses.

👉We talk more about Hallucination in our AI basics series

Why It Matters:

✅ More reliable AI-generated insights – Less guesswork, more useful responses.

✅ Better performance in structured tasks – From financial modeling to legal document summaries, AI outputs will be more precise.

✅ Better for content that needs accuracy - briefings, reports, etc.

The Technical Stuff:

What’s some cool geeky stuff about GPT-4.5?

• GPT-4.5 scales unsupervised learning, meaning it absorbs more data and makes better connections.

• It’s trained on Azure AI supercomputers—a.k.a. Microsoft’s massive infrastructure.

• It introduces improvements in EQ, aesthetic intuition, and steerability (translation: it’s more in sync with human tone and intent).

• In OpenAI’s tests, human reviewers preferred GPT-4.5 over GPT-4o in 63.2% of queries.

👉 As always, remember to take stats with a tiny pinch of salt. 👀 

Should You Use It:

✅ If you are already using ChatGPT Plus? → You’ve already got access. No action needed—just enjoy the smoother experience.

✅ Do you rely on AI / ChatGPT for writing, ideation, or customer-facing use? → Yes. GPT-4.5’s improvements over it’s predecessors could save time and reduce clean-up work.

❌ Expecting a mind blowing revolution in your ChatGPT experience → No. While these improvements are helpful, they aren’t going to revolutionize your life.

Final Thoughts:

I’m a fan.

I tend to incorporate ChatGPT into my workflow quite a bit and find any improvements helpful. The less I have to stress out about it “hallucinating” and the advantage of being able to digest large bits of information at once, without extra work on my part; I can execute my work faster and better.

Are you already using GPT-4.5? Let me know what you think—reply to this email or drop a comment on X (@hashisiva).

We are out of tokens for this week’s context window!✋

Thanks for reading!

P.S. The bigger the context window, the more useful your AI gets. Same goes for your business: The more you can retain and apply, the better your outcomes. 🚀