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1M context is now generally available for Opus 4.6 and Sonnet 4.6

claude.com

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Re: 1M context is now generally available for Opus 4.6 and Sonnet 4.6

#351

Post by ramesh31 »

olalonde wrote: post #259
koreth1 wrote: post #139

Earlier quoted context omitted.

I wish I had this kind of experience. I threw a tedious but straightforward task at Claude Code using Opus 4.6 late last week: find the places in a React code base where we were using useState and useEffect to calculate a value that was purely dependent on the inputs to useEffect, and replace them with useMemo. I told it to be careful to only replace cases where the change did not introduce any behavior changes, and…

Same here. I don't understand how people leave it running on an "autopilot" for long periods of time. I still use it interactively as an assistant, going back and forth and stepping in when it makes mistakes or questionable architectural decisions. Maybe that workflow makes more sense if you're not a developer and don't have a good way to judge code quality in the first place. There's probably a parallel with the CMS…

>Same here. I don't understand how people leave it running on an "autopilot" for long periods of time.

Things have changed. The models have reached a level of coherence that they can be left to make the right decisions autonomously. Opus 4.6 is in a class of its own now.

Re: 1M context is now generally available for Opus 4.6 and Sonnet 4.6

#352

Post by dzonga »

syntaxing wrote: post #144

It’s interesting because my career went from doing higher level language (Python) to lower language (C++ and C). Opus and the like is amazing at Python, honestly sometimes better than me but it does do some really stupid architectural decisions occasionally. But when it comes to embedded stuff, it’s still like a junior engineer. Unsure if that will ever change but I wonder if it’s just the quality and availability of…

nor web engineers (backend) that are not doing standard crud work.

I have seen these shine on frontend work

Re: 1M context is now generally available for Opus 4.6 and Sonnet 4.6

#353

Post by devld »

Frannky wrote: post #117

Opus 4.6 is nuts. Everything I throw at it works. Frontend, backend, algorithms—it does not matter. I start with a PRD, ask for a step-by-step plan, and just execute on each step at a time. Sometimes ideas are dumb, but checking and guiding step by step helps it ship working things in hours. It was also the first AI I felt, "Damn, this thing is smarter than me." The other crazy thing is that with today's tech, these…

But does it still generate slop?

I'm late to the party and I'm just getting started with Antrophic models. I have been finding Sonnet decent enough, but it seems to have trouble naming variables correctly (it's not just that most names are poor and undescriptive, sometimes it names it wrong, confusing) or sometimes unnecessarily declaring, re-declaring variables, encoding, decoding, rather than using the value that's already there etc. Is Opus better at this?

Re: 1M context is now generally available for Opus 4.6 and Sonnet 4.6

#354

Post by devld »

ramesh31 wrote: post #351
olalonde wrote: post #259

Earlier quoted context omitted.

Same here. I don't understand how people leave it running on an "autopilot" for long periods of time. I still use it interactively as an assistant, going back and forth and stepping in when it makes mistakes or questionable architectural decisions. Maybe that workflow makes more sense if you're not a developer and don't have a good way to judge code quality in the first place. There's probably a parallel with the CMS…

>Same here. I don't understand how people leave it running on an "autopilot" for long periods of time. Things have changed. The models have reached a level of coherence that they can be left to make the right decisions autonomously. Opus 4.6 is in a class of its own now.

A non-technical client of mine has built an entire app with a very large feature set with Opus. I declined to work on it to clean it up, I was afraid it would have been impossible and too much risk. I think we are at a level where it can build and auto-correct its mistakes, but the code is still slop and kind of dangerous to put in production. If you care about the most basic security.

Re: 1M context is now generally available for Opus 4.6 and Sonnet 4.6

#357

Post by qweiopqweiop »

popcorncowboy wrote: post #307
hparadiz wrote: post #294

Earlier quoted context omitted.

I've been building a new task manager in C for Linux. If you're not using AI you are cooked. You just don't realize it yet. https://i.imgur.com/YXLZvy3.png

> If you're not using AI you are cooked. You just don't realize it yet. Truth. But not just “using”. Because here’s where this ship has already landed: humans will not write code, humans will not review code. I see mostly rage against this idea, but it is already here. Resistance is futile. There will be no “hand crafted software” shops. You have at most 3-4 years left if you think this is your job.

Are you using AI to write this? Please stop.

Re: 1M context is now generally available for Opus 4.6 and Sonnet 4.6

#359

Post by jFriedensreich »

My testing was extremely disappointing, this is not a context window that magically extends your breathing room for a conversation. I can tell blindly at this point when 150 - 200 k tokens are reached because the coding quality and coherence just drops by one or two generations. Its great for the case you really need a giant context for specific task but it changes nothing for needing to compact or handover at 200k.

Re: 1M context is now generally available for Opus 4.6 and Sonnet 4.6

#360

Post by jFriedensreich »

dimitri-vs wrote: post #3

The big change here is: > Standard pricing now applies across the full 1M window for both models, with no long-context premium. Media limits expand to 600 images or PDF pages. For Claude Code users this is huge - assuming coherence remains strong past 200k tok.

yeah it totally does not remain coherent past 200k, would have been too nice.
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