76
Astra uses more usage limits and feels costly in practice
GPT-6 Astra vs Claude Opus 5.5
Which model is delivering better results in real work: GPT-6 Astra or Claude Opus 5.5?
- Point change
- −8 pts
- Current state
- Opus 5.5
- Status
- Running
More monitor statisticsLess monitor statistics
- Point change
- −8 pts
- Current state
- Opus 5.5
- Status
- Running
Real-work usefulness
preevia.comGPT-6 Astra55Claude Opus 5.570
Updated Nov 8Since Sep 22 · 7-day rolling
Where people stand
A sample of the public voices behind the data.
@marclouThe more I use Opus 5.5, the more I realize how far behind OpenAI models are.
Not just coding. Everything.
I sent GPT-6 Astra my V02 max lab test results, and it gave me a headache. 200 se
@PawelHurynSo I tested Opus 5.5 (max) on real work. 2 repos. 105 planted bugs. Find and fix what you can.
The results:
GPT-6 Astra (max): 45 for $33.03 (n=3)
Fable 5.1 (max): 43 for $77.55
Opus 5.5 (m
@IMAO_I decided to test the frontier models on the one thing they all fumble on: making a joke.
So, first is Gemini Argon, which just looks like it tried too hard while not quite getting what a 
@slash1solI gave the same galaxy shooter prompt to GPT-6 Astra, Opus 5.5 and Kimi K3.1 Pro. Same steps, same order, three browser tabs.
-> Kimi's build is the one I kept playing, and it cost $0.31.
@notjaziiOpus 5.5 vs GPT 6 astra
tested both with the same prompt at their highest reasoning settings, using the same devin harness:
> opus took 2 hours 10 mins and cost $75
> astra took 1 hour 25
@JinjingLiangPut GPT-6-Astra and Opus-5.5 head-to-head on the exact same bug:
GPT-6-Astra (un-nerfed) @ xhigh:
- 🎯 Found the bug on its own with high precision.
- Implemented a fix unprompted (likely du
@rewind02built a playable apartment in 5 hours with Claude Opus 5.5 + Gpt-6 Astra + Tripo + Unreal..
a sunny apartment with a study, a hallway and a kitchen
the trick is letting opus run the whole 
@plotarmordevCancelling my $200 Codex subscription on October 29th.
Not paying the same price for half the limits.
Also, a job I'd been on for two days was taking way longer than it should. Turns out I
@vib3codedWhat is Sonnet 5.5 doing? It just destroyed everyone again🏒
This time it’s a pixel-art hockey arena. The detail and lighting make Sonnet my clear favorite
It took 1 hour 45 minutes, though
@dunik_7my $20 Claude plan just beat OpenAI's $200 one on the same 4-word prompt, and it's not even close
"Racecar drone flyover", both on High, no follow-ups
GPT-6 Astra built one car, one road a
@shownotover🚨 claude and codex users!!
I asked OPUS 5.5 and GPT-6 ASTRA to make my own GTA hot pursuit 😂
Compared on a $200/month budget.
Same one-shot prompt.
I LOVE OPUS: the water, the chase, th
@jkudishEvery time I try to use GPT-6 Astra it goes and invents shit I didn’t ask it for, even when we agree on a very concrete and detailed plan.
I then have to send another agent to deslopify aft
@0xMfoxA model that came out 4 days ago beat Opus 5.5 and GPT-6 Astra at building a game, and it cost me $0.34.
Kimi K3.1 Pro from Moonshot got the same prompt as the other two: a browser game whe
@marcos_placonaClaude Opus 5.5 is my main coding agent. But for design, I don't think it's as good as GPT-6-Astra.
So I've started doing something that's changed how I work: I let Claude do the work, then
@YngkvnI deleted the weights from the “fix a failing network by editing its weights” task.
Claude Opus 5.5 still fixes the network with a simple rule: if x > 3.6 or moving left → drive left, else 
@SKatalystAIThree frontier AI companies announced speed or efficiency improvements. So I timed one practical research task across Grok Bot, Codex and Claude Code.
Same prompt: find 5 startup credit pro
@cyannickI switched my codex sub to $100 because I use more Opus 5.5 these days. I use the $100 for Opus too. If I compare Opus 5.5 high vs Astra high, Opus has more usage than Astra, it's faster and
@itssotsotSo, I used the same initial prompt to build the exact same thing with GPT Astra.
Opus finished in 20 minutes and used $5.5 worth of API tokens.
Astra finished in 18 minutes and used $10.
@ABinthemixStarted using Claude after a while with ChatGPT in parallel and wow OpenAI has really fallen behind in the last couple of months. Both Opus and Sonnet cook and the 5 hour limits go a long wa
@EnvolDevOpus 5.5 vs GPT-6 Astra: the Space Train 🚂🪐
You loved the Night Train benchmark. But I've shared that prompt so many times that I wanted a new challenge, with a lot more to get right.
So mGPT-6 AstraMixedClaude Opus 5.5
The views shaping the conversation
Recurring ideas, summarized across multiple conversations.
GPT-6 AstraMixedClaude Opus 5.5
75
Opus 5.5 fixes bugs and debugging problems more effectively than Astra
69
Opus 5.5 gives better jelly and soft-material physics than Astra
83
Astra tends to invent unrequested content and ignore plans
44
Astra is faster and cheaper on several build tasks
54
Astra stronger on cinematics and some visual design details
These are collected experiences, not a survey of all users. Errors and post miscalculations are possible.
91% signal support · 5,301 conversations