I’ve been using Claude Opus 4.5 since launch, and it fixed my biggest AI frustration: the forgetting problem.
You know the one. You’re 15 minutes into a complex task, and the AI starts contradicting what you discussed earlier. It’s like working with someone who wasn’t paying attention.
Claude Opus 4.5 actually remembers. I can work on something for an hour without re-explaining context. That alone changes how useful the tool is for real work.
The quick answer: Claude Opus 4.5 is Anthropic’s most capable model with better memory, fewer hallucinations, and improved coding. Try it free at claude.ai or get more usage for $20/month. Best for anyone frustrated by AI losing context mid-project.
What Actually Improved in Claude Opus 4.5
The memory is real. I can share a long document, discuss it, then reference specific details 30 minutes later. Before, I’d have to paste sections again because it had “forgotten” everything.
Fewer hallucinations. I used to catch Claude making things up once per session. Wrong dates, fake API methods, confident nonsense. Still happens occasionally, but noticeably less.
Better coding. If you write Swift, the improvement is significant. It handles async/await correctly and produces code that actually compiles on the first try. It’s become a genuine pair programming partner.
The price dropped. Usually “new and improved” means more expensive. Claude Opus 4.5 costs about half what the previous top model cost. You can check current pricing on Anthropic’s website. I don’t understand why, but I’m not complaining.
✅ The Verdict: If you’ve had an AI “forget” what you were working on mid-project, Claude Opus 4.5 is worth trying. The improved memory alone makes complex work actually feasible.
A Real Example From My Week
I was building a SwiftUI view that needed to pull data from an API, cache it locally, and handle offline states. In the past, I’d explain the requirements, get some code, then have to re-explain everything for the next component.
With Claude Opus 4.5, I explained the architecture once. We built the network layer, caching layer, view model, and view itself. Each step, it remembered what we’d done. When I asked it to add error handling, it knew exactly which functions we’d written.
That session took 45 minutes. Before, half that time would’ve been re-explaining context.
Watch: Claude Opus 4.5 in Action
Want to see how it actually works? This video walks through the experience:
The Honest Limitations
I don’t want to oversell this.
⚠️ Important: Claude Opus 4.5 still makes things up occasionally. Always verify anything factual that matters, especially dates, statistics, or technical details.
It still hallucinates. Last week it confidently told me about a Swift API method that doesn’t exist. It wasn’t lying. It genuinely seemed to believe the method was real.
Niche technical questions are hit or miss. Ask about an obscure framework, and you’ll get a confident-sounding answer that’s actually generic or slightly wrong.
Should You Try Claude Opus 4.5?
For quick tasks: If you just need answers to simple questions, the free versions of Claude or ChatGPT are fine.
For complex work: If you’ve tried using AI for substantial projects and hit the “wait, did you forget everything?” wall, this is worth trying. It’s not perfect, but it’s genuinely better for longer tasks.
ℹ️ Privacy Note: By default, conversations may be used to improve the AI. You can opt out in settings. Don’t paste anything confidential without checking your company’s policies.
Try it at claude.ai. There’s a free tier, or pay for more usage. Anthropic also has a developer API if you want to build things with it.
Frequently Asked Questions About Claude Opus 4.5
How is Claude Opus 4.5 different from ChatGPT?
They’re similar tools from different companies (Anthropic vs OpenAI). In my experience, Claude Opus 4.5 tends to be more careful and nuanced, with fewer hallucinations, while ChatGPT is faster and more widely integrated into other apps. Try both and see which one clicks for you.
Is my data private with Claude Opus 4.5?
By default, conversations may be used to improve the AI. You can opt out in settings. I wouldn’t paste anything truly confidential into Claude Opus 4.5 without checking your company’s policies first.
Do I need to be technical to use Claude Opus 4.5?
Not at all. You just type what you want in plain English. If anything, Claude Opus 4.5 works better when you explain things naturally instead of trying to use ‘computer language.’ The coding improvements are a bonus for developers, but non-technical users benefit just as much from the better memory and reduced hallucinations.
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