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hey guys - Walden here, one of the founders. Excited to have you try out Devin. Reach out here if you have any questions!



Hi Walden,

my name is Devin and I don't like sharing a name with a product. Will you please consider changing the name?

There is always the chance that someone named Devin will do something that gives your product a bad name. Perhaps some new scandal will involve someone named Devin or something.

I'd also like you to imagine that a hot new erotic AI was named "Walden", and people said things like "I was talking with Walden last night" as a euphemism. How would that make you feel?


I'd try it out if you allowed paying $50 for some credits instead of requiring subscription.

Even if that version is limited to only editing public Github repos. $500 to see how well it works is too much.


$50/month in the subscription price in the personal tier (currently not accepting new users) includes 50 credits per month in it, and $500/month teams tier includes 250 credits per month in it. This is what I see with my current user and when I try to sign up as a new user respectively.

I'd like to see that $50/month tier reopened to subscribers, and a $0/month+credits tier added (1 concurrent active session only, constrained to small VM spec with immutable rootfs (regular devin VMs have writable rootfs), no automatic knowledge generation, no snapshots, though playbooks allowed).

> Even if that version is limited to only editing public Github repos

Not possible to constrain like that with the current Devin architecture.


The price seems reasonable, but my main hesitation is on data storage + third party providers- there doesn't seem to be much available information on:

* will you store my code + train on workflows that Devin does for me? * are you piping data to other third party providers (i.e. anthropic, openAI)?


Why don't any LLM show examples of C++ applications? I have yet to see a tool like that which I would be happy to use at work.


Or CUDA code, as this will be somehow ironic given that LLMs inference engines and training are CUDA code in some way.


It can do that too, I tried that too.


I tried it with C and C++ code, it can do them but not very well.


How large the repositories are that it can "reason" about?


It's smart enough to figure out the relevant part to change once it scans the codebase. It could do Linux kernel if not for the Linus' policy.


Thanks. For example, if I feed it with the 10 MLoC repository, how long does it take before it can start working through the problem?

Would it really work well with the mixture of at least C and assembly which you implied it would with Linux kernel example?


> For example, if I feed it with the 10 MLoC repository, how long does it take before it can start working through the problem?

The initial scan may take about a hour with a repository that size, and the knowledge base buildup will take about a week (but that one happens during the coding process). It will not continuously scan the entire codebase once it builds up the knowledge of the repository.


Fascinating and scary at the same time.

Is this the beginning when intelligence, domain expertise and ability to research becomes commodity?


When crafting projects from scratch, does your system actually fix it's own errors?

That seems to be the challenge with Cursor Agent in it's current form, it generates a bunch of code that has bugs and requires a lot of iteration.


as someone who has been trying you guys out for the past 8 months... you need a speed lever. default devin is way too slow for me :/ i asked scott for a "demo mode" first time we met


latest update is around 3-4x faster than it was back in Apr but we are working on making it much faster still!


How is that done?


Devin got a lot faster for me recently, made it a lot more enjoyable to use


You should really add an option to spawn a VM with immutable rootfs, current VMs all have writable rootfs which cost a lot to run, immutable VMs could be much much cheaper to operate (possibly enabling free tiers even).

Also to mention, "suggest knowledge" modal is broken (it silently ignores changes made if you edit the suggested knowledge).

Another issue, sleep&snapshot system is still prone to race conditions in certain cases.


What model does it use under the hood?

How much context window does it load when it is solving tasks?

How does it determine which files to load into context?


It's a finetuned version of o1-preview sized distillation of o1-pro if I remember correctly, with an Azure Ubuntu VM with writable filesystem and internet access.


Can you only use it with a $500 / month subscription?

The word "try" is VERY different than the actual case, which is "pay for use".

If the answer to the first line is yes, how do I request my email be deleted? I started to sign up but I am not a use case for $500 a month at the moment.


It's monthly subscription plus prepaid compute credits (called ACU in the UI).


I'm excited to try it. I use aider quite a bit and tried opendevin at some point.

What is the pricing story?

Can I use it as side project dev or is the target enterprise customers only / mainly?


we have plenty of small, early stage teams that use Devin but it's optimized designed to fit into a team's workflow. you can of course give it a try and see if it's a good fit for your projects!


Any estimates regarding when the personal tier ($50/month+credits) will resume accepting signups?


Is it just me that finds it ironic that you're looking for software developers?


Hey, can you fix the issue where the editor times out and Devin gets stuck?


How does one estimate the number of ACUs required to finish a task?


It spends about 2 to 10 ACU per hour in the small VM, and ten times as much on the large one. No credits spent during sleep and "waiting for response" time as far as I observed.


a helpful benchmark is that a typical frontend task is about 1-2 ACUs, but really depends on the complexity of the task


Does it work with more obscure languages like Lean 4?


It can work with any language, as it interacts with the VM and can read compiler messages.


How should I go about arranging a demo?


Not really product related: The current trajectory of LLMs/Agents, what is your career advice to someone in school for Computer Science right now?


Are you a human founder?


very much so!


Can you upload a picture on the company domain with your face, and holding a piece of paper containing your name, the date, the time, and the current bitcoin block number? That would make us more likely to believe you are properly human.




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