By OpenAI
GPT-6 Astra
The core GPT-6 model for professional work, with web search included in the price
Price per message
5.5 PMCper message(KRW 220)
Shown as x5.5 in the chat.
With previous-conversation memory off: 5 PMC (KRW 200)
Anything extra, such as input beyond the included length, attachments or paid web search, is added up and shown on the send button before you send.
1 PMC is based on KRW 40, and a payment fee is added when you buy PMC (for example, 100 PMC costs KRW 4,476).
Features
- Shows a reasoning summary by default
- Web search included
- Photo input
- PDF and document input
Try it
Start from an example
- Summarize the current state of the Korean EV market with sources
- Create a four-week onboarding plan for a new hire
- Analyze what to consider when changing the pricing plans of a service
Nothing is sent when you click. You review the message in the chat and are charged only when you send it yourself. You can look around without signing in; you sign in when you send.
Sign up and verify your email to get 7.5 bonus PMC, enough for 1 messages with this model at its base price (bonus valid for 90 days).
Good for
- Drafting reports and analysis memos
- Gathering information and summarizing it with sources (web search included)
- Questions that need careful thought
Good to know
- PDFs are read as extracted text only, so tables, charts and scanned images are not reflected in answers.
- Web search is included in the per-message price and cannot be turned off. The model decides whether to search for each question.
- It always reasons before answering, so even short questions can take a while to start.
Specifications
- Provider
- OpenAI
- Released
- September 3, 2026
- Input included per message
- Up to 3,000 characters (extra input is charged)
- Knowledge cutoff
- April 2026
- Input types
- Text, Photos, Files
- PDF handling
- Reads extracted text only
- Web search
- Included in the per-message price
- Reasoning
- Always on
- Multiplier
- x5.5
Sources
- Provider model documentation (checked 2026-10-15)
Compare with other OpenAI models
Prices are the base price per message (memory on, no attachments or search).
| Model | Per message | Reasoning summary | Web search |
|---|---|---|---|
| GPT-5.6 Terra | 1.5 PMC | Shown | +1 PMC |
| GPT-6.1 Sol Deep | 2.5 PMC | Shown | Included |
| GPT-5.5 | 4.5 PMC | Shown | +2 PMC |
| GPT-5.6 Sol | 5.5 PMC | Shown | +2 PMC |
| GPT-6 Astra (This model) | 5.5 PMC | Shown | Included |
| GPT-6 Astra Deep | 8.5 PMC | Shown | Included |
FAQ
- How much does one message cost?
- The base price is 5.5 PMC (KRW 220) per message, shown as x5.5 in the chat. With previous-conversation memory turned off, it is 5 PMC (KRW 200). Anything extra, such as input beyond the included length, attachments or paid web search, is added up and shown on the send button before you send.
- Do I need a monthly subscription?
- No. There is no monthly subscription: you top up PMC and only what you use is deducted each time you send. 1 PMC is based on KRW 40, and a payment fee is added when you buy PMC (for example, 100 PMC costs KRW 4,476).
- Can it search the web?
- Yes. Web search is built in, with no separate charge for searching.
- Can I upload photos or files?
- Yes. You can send photos as well as PDFs and document files. If a file costs extra, the amount is shown on the send button before you send.
- Can I see a reasoning summary?
- Yes. A short summary of what it worked through before answering is shown by default, at no extra charge.
- Will I still get the answer if I leave the page?
- Yes. The answer keeps being written after you leave the chat, and it arrives in its place in that conversation when it is done.