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Grok Build sucks compare to composer 2.5. Just use compose 2.5 and you'll have basically unlimited usage on the 40$ plan.

by BoumTAC 2mo ago

DoesntMatter22 2mo ago
Composer 2.5 is so underrated IMO. I built a really feature rich application, insanely complicated, close to 200k LOC since it came out and for the most part it ran like a champ. Only used CLaude a couple times to get it unstuck. 8 hours a day and I'm paying about 30 a month.
- embedding-shape 2mo ago
  > I built a really feature rich application, insanely complicated, close to 200k LOC If you listed it, how many features/LOC or vice-versa? Really hard to know if 200K LOC is good or bad, at the surface it sounds like too much, but I don't know what the application was either.
  - DoesntMatter22 2mo ago
    It’s a fantastic signal processing / engineering app. There are 5 major players and this app isn’t quite as good but it’s in the ballpark. I’d day when I release early next nonth this will be the biggest fully featured vibe coded app I’m aware of.
    - alchemist1e9 2mo ago
      I’d be curious to hear more about your dev setup and what tips you have for other aspiring vibe app coders.
      - DoesntMatter22 2mo ago
        I currently just use a Mac Mini M4 with cursor. I had 30 years programming before this (in my mid 40s now) so I am not a great person to give vibe coding advice because I have so much actual coding m. I’m pretty sure I couldn’t have done it without knowing how to code because there were some times even the best models would get stuck and I’d have to figure it out myself. If I had to give advice I’d say to just do it. Work on some project that interests you and go for it
- esafak 2mo ago
  How do you like its design mode?
giancarlostoro 2mo ago
Suppose eventually that gravy train will disappear, might as well use it then.
bhouston 2mo ago
Every time I use Composer 2.5 I have to spend a bunch of time cleaning up its mistakes. It is unusable compared to GPT 5.4 or 5.5. My time is more valuable that I will use a model that doesn’t f** up my code base.
- subhobroto 2mo ago
  I think we need to be explicit about the domains we're applying Composer 2.5 to in these discussions. I mentioned here (https://news.ycombinator.com/item?id=48766275 https://news.ycombinator.com/item?id=48766275) how poorly it handles my specific use cases. My coworkers in DevOps and frontend UI swear by its cost-effectiveness, whereas I strongly prefer the reasoning capabilities of Opus 4.8 and Fable 5. Composer 2.5 seems to be SOTA for Helm charts and React/Vue, but, for my usecases it absolutely struggles spectacularly when tasked with rigid body dynamics or kinematic logic.
- sroussey 2mo ago
  Keep composer away from anything configuration related—it will ruin your day.
- trollbridge 2mo ago
  Isn't Composer 2.5 designed to be used from the Cursor harness, and is otherwise not that useful?
  - bhouston 2mo ago
    I use it from the Cursor harness.
- AgentMasterRace 2mo ago
  give it a structured plan and it it does really well compared to similar priced models. I'd never use it for anything that required heavy reasoning and it's not built for that.
- DoesntMatter22 2mo ago
  Weird I use it 8 or so hours a day and I haven’t had that issue
tengbretson 2mo ago
It is hard to evaluate the model performance of Composer 2.5 when Cursor's harness is so awful compared to the others on the market.
- sergiotapia 2mo ago
  Not my experience at all. I've been using Cursor hardcore for about two weeks now and Composer 2.5 and it's wonderful. Now with Grok 4.5 I'm quite excited about the possibilities.
- brightball 2mo ago
  In what way? I spend more of my time managing than hands on lately so I legitimately don’t know.
- seunosewa 2mo ago
  Not true. The only issue is cost of frontier models.
- sroussey 2mo ago
  Yeah, it’s not great—except for debugging. It shines there.
- bdlowery 2mo ago
  Cursors whole moat is their harness. Other people have benched opus and GPT models through Claude code, codex, and cursor, and cursor came out on top everytime because of their harness.
- AgentMasterRace 2mo ago
  The harness is commonly ranked one of the best. what specifically had you hating it?
- steve1977 2mo ago
  Care to elaborate?

Grok Build sucks compare to composer 2.5. Just use compose 2.5 and you'll have basically unlimited usage on the 40$ plan.

by BoumTAC 2mo ago

Grok Build sucks compare to composer 2.5. Just use compose 2.5 and you'll have basically unlimited usage on the 40$ plan.

DoesntMatter22 2mo ago

Composer 2.5 is so underrated IMO. I built a really feature rich application, insanely complicated, close to 200k LOC since it came out and for the most part it ran like a champ. Only used CLaude a couple times to get it unstuck. 8 hours a day and I'm paying about 30 a month.

embedding-shape 2mo ago
> I built a really feature rich application, insanely complicated, close to 200k LOC If you listed it, how many features/LOC or vice-versa? Really hard to know if 200K LOC is good or bad, at the surface it sounds like too much, but I don't know what the application was either.
- DoesntMatter22 2mo ago
  It’s a fantastic signal processing / engineering app. There are 5 major players and this app isn’t quite as good but it’s in the ballpark. I’d day when I release early next nonth this will be the biggest fully featured vibe coded app I’m aware of.
  - alchemist1e9 2mo ago
    I’d be curious to hear more about your dev setup and what tips you have for other aspiring vibe app coders.
    - DoesntMatter22 2mo ago
      I currently just use a Mac Mini M4 with cursor. I had 30 years programming before this (in my mid 40s now) so I am not a great person to give vibe coding advice because I have so much actual coding m. I’m pretty sure I couldn’t have done it without knowing how to code because there were some times even the best models would get stuck and I’d have to figure it out myself. If I had to give advice I’d say to just do it. Work on some project that interests you and go for it
esafak 2mo ago
How do you like its design mode?

giancarlostoro 2mo ago

Suppose eventually that gravy train will disappear, might as well use it then.

bhouston 2mo ago

Every time I use Composer 2.5 I have to spend a bunch of time cleaning up its mistakes. It is unusable compared to GPT 5.4 or 5.5. My time is more valuable that I will use a model that doesn’t f** up my code base.

subhobroto 2mo ago
I think we need to be explicit about the domains we're applying Composer 2.5 to in these discussions. I mentioned here (https://news.ycombinator.com/item?id=48766275 https://news.ycombinator.com/item?id=48766275) how poorly it handles my specific use cases. My coworkers in DevOps and frontend UI swear by its cost-effectiveness, whereas I strongly prefer the reasoning capabilities of Opus 4.8 and Fable 5. Composer 2.5 seems to be SOTA for Helm charts and React/Vue, but, for my usecases it absolutely struggles spectacularly when tasked with rigid body dynamics or kinematic logic.
sroussey 2mo ago
Keep composer away from anything configuration related—it will ruin your day.
trollbridge 2mo ago
Isn't Composer 2.5 designed to be used from the Cursor harness, and is otherwise not that useful?
- bhouston 2mo ago
  I use it from the Cursor harness.
AgentMasterRace 2mo ago
give it a structured plan and it it does really well compared to similar priced models. I'd never use it for anything that required heavy reasoning and it's not built for that.
DoesntMatter22 2mo ago
Weird I use it 8 or so hours a day and I haven’t had that issue

tengbretson 2mo ago

It is hard to evaluate the model performance of Composer 2.5 when Cursor's harness is so awful compared to the others on the market.

sergiotapia 2mo ago
Not my experience at all. I've been using Cursor hardcore for about two weeks now and Composer 2.5 and it's wonderful. Now with Grok 4.5 I'm quite excited about the possibilities.
brightball 2mo ago
In what way? I spend more of my time managing than hands on lately so I legitimately don’t know.
seunosewa 2mo ago
Not true. The only issue is cost of frontier models.
sroussey 2mo ago
Yeah, it’s not great—except for debugging. It shines there.
bdlowery 2mo ago
Cursors whole moat is their harness. Other people have benched opus and GPT models through Claude code, codex, and cursor, and cursor came out on top everytime because of their harness.
AgentMasterRace 2mo ago
The harness is commonly ranked one of the best. what specifically had you hating it?
steve1977 2mo ago
Care to elaborate?