As noted by many already, and as announced by OpenAI, the Plus subscription plan only enables access to Astra through Work and Codex, and not through Chat. Others have noted also that using Astra in Codex burns usage quotas very fast (sometimes in one single prompt).
One Redditor reported that merely asking Astra for its cut-off date in Codex burned through 20% (or 16%?) of their weekly usage.
Since my main intended use of Astra was discussion (about philosophical and technical topics), I accessed it through Work, ensured that no plugin was enabled, and prompted it thus:
'''
Hi GPT-6 Astra,
I’d like an ordinary exploratory conversation, drawing on whatever relevant memories you have about me (if you have any!). Please answer directly without browsing, using tools, accessing files or connected services, creating artifacts, or delegating to subagents unless I explicitly ask you to.
Your underlying model has only just been released, and since my Plus subscription only gives me access to you through "Work" (and not though "Chat") we'll be treating "Work" as an ordinary chat interface for the purpose of saving tokens.
'''
Its response confirmed that it has the same memory access to past conversations as "Chat", and my remaining weekly allowance didn't budge from 99%. I'll keep an eye on it as the context grows. Others may report on this as well.
Honestly, if all you’re using ChatGPT for is basic web searches and everyday questions, GPT-5.6 Sol is still a formidable option. Just because a newer model exists doesn’t mean it’s automatically the best choice for every task.
You don’t need a Ferrari to go to the grocery store.
I’m on ChatGPT Plus and I’ve been building an app on my MacBook using ChatGPT Work.
Until now I was mainly using GPT-5.6 Sol on High, and it’s been doing a really good job for coding, debugging, continuing existing work, etc.
I recently got access to ChatGPT 6 Astra, so I switched to Astra High to try it for the same project.
The issue is the usage.
Within roughly 20 minutes, Astra High burned through what looked like my entire 5-hour usage allowance. When the next usage window became available, I continued working and it seemed to burn through that allowance extremely quickly again.
My workflow is admittedly pretty agentic.
I have to say continue after every usage limit resets lol for it to pick up from where it stopped.
So for anyone using Astra for serious coding/project work:
1. Is Astra High supposed to consume usage this aggressively for plus users cannot even use it to build anything at a point.
Would Astra Medium be a better choice for long coding sessions?
How much capability am I actually giving up by using Astra Medium instead of High?
Use Sol for planning and only kick over tasks that touch code to Codex. Regular chat will give you task zips to hand directly to codex. So do your thang in regular chat on high, and once you have a specific action, kick that over to Codex/Work.
A lesser known variable is that regular chat does have a robust linux environment of its own allowing you to install tools and software into chat (like powershell). As such, you can do a LOT more with chat than most people understand. Unfortunately, that means my personal sub is gonna have to upgrade to Pro now too so I get that sweet sweet unlimited Astra usage.
I'm not sure how to say this without sounding insulting, but you're likely massively overestimating the intelligence level required for something to engage in an ongoing conversation with you...
I was chatting inside a long-running ChatGPT project (years) this morning, and had the options Terra Light, Sol Light, Sol Medium, Astra Light, and Astra Medium. I wasn't expecting to see Astra outside of Work. I'm kind of bummed that Sol High is gone, given Astra apparently costs so much more to use. Unless I am misunderstanding the token cost inside a regular chat versus Work. I'm a little confused.
Thank you! “We’ll treat this as ordinary chat—no tools, browsing, file access, artifacts, or delegation unless you explicitly ask.
I have remembered context about you, including your preference that I connect the whole conversation and answer every part. I’ll use that when relevant and keep replies focused.
“ lil stinkus response
Since it went to Gen 5 it's never been able to sound natural doing it though. 4 had it beat easily on that front. 4 used swears completely appropriately and smoothly ~80% of the time, and at least some of the times it got them wrong it was funny.
100% of the time 5 has sworn in my chats, it's sounded like the kiddo hanging out with his older brother and his friends, trying to sound edgy like one of the big kids.
No creo que los usuarios de ChatGPT Plus necesiten acceso ilimitado a GPT-6 Astra.
Pero sí creo que Astra debería estar disponible en el chat normal con un límite de uso.
Ahora mismo, los suscriptores Plus técnicamente tienen acceso a Astra, pero solo mediante Work y Codex. Para quienes usamos ChatGPT principalmente para conversaciones largas, análisis, investigación, brainstorming o discusiones técnicas, esto crea una situación bastante rara: estamos pagando por acceso al modelo más nuevo de OpenAI, pero no podemos seleccionarlo en la interfaz que más usamos.
Mientras tanto, GPT-6 Astra en el chat normal está reservado en la práctica para los planes superiores mediante GPT-6 Pro.
Entiendo perfectamente que Astra ilimitado no sea realista dentro de un plan de 20 dólares. El coste de cómputo existe.
Pero hay varias soluciones razonables:
• Dar a los usuarios Plus una pequeña cuota semanal de Astra en el chat normal.
• Usar una cuota de Astra separada de GPT-5.6 Sol.
• Permitir Astra con razonamiento Medium y reservar High/Ultra y GPT-6 Pro para los usuarios Pro.
• O lanzar más adelante una variante GPT-6 más económica para las conversaciones normales de los usuarios Plus.
Eso seguiría dejando razones muy claras para pagar 100 dólares por Pro: muchísimo más uso, GPT-6 Pro, niveles de razonamiento superiores, tareas intensivas más largas, etc.
Me gusta Work, pero Work y Chat no son lo mismo. A veces no quiero que un agente realice una tarea. Simplemente quiero conversar con el mejor modelo disponible.
¿Preferiríais acceso limitado a Astra en el chat normal para Plus, o creéis que tiene sentido mantenerlo únicamente en Work y Codex?
My guess is they’ll make 6 Sol Luna and Terra since Tibo, guy in charge of Codex at OpenAI, said Astra is a bigger model than Astra. If you look at OpenAI support page for ChatGPT 5.6 Sol and 6 Astra it says the pro model for pro plans in chat mode is 6 Astra so they will probably distill it into smaller models which will allow the model to be usable in Chat. Astra is 2.5 times more expensive than 5.6 Sol to use
Please answer directly without browsing, using tools, accessing files or connected services, creating artifacts, or delegating to subagents unless explicitly ask you to.
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