Model comparison
GPT-6 Astra vs GPT-5.4 Pro
List rate, corouter rate, context, and which ID to send for gpt-6-astra versus gpt-5.4-pro. A sample of 1 million input tokens plus 200 thousand output tokens is about $4.00 on corouter (input $2.00, output $2.00). A sample of 1 million input tokens plus 200 thousand output tokens is about $13.20 on corouter (input $6.00, output $7.20).
| GPT-6 Astra | GPT-5.4 Pro | |
|---|---|---|
| ID | gpt-6-astra | gpt-5.4-pro |
| Vendor | OpenAI | OpenAI |
| List input | $10.00 | $30.00 |
| corouter input | $2.00 | $6.00 |
| List output | $50.00 | $180.00 |
| corouter output | $10.00 | $36.00 |
| Cache read | $0.200 | $0.600 |
| Context | 1.1M | 1.1M |
Price gap
On output, GPT-6 Astra is lower: $10.00 on corouter versus $36.00 for GPT-5.4 Pro, about 3.60×. Input is $2.00 versus $6.00.
Window and modalities
Both windows are 1.1M. GPT-6 Astra is listed with these modalities: Chat, Reasoning, Code, Vision. GPT-5.4 Pro is listed with these modalities: Chat, Reasoning, Vision.
When to send gpt-6-astra
GPT-6 Astra is the highest standard list rate in the GPT rows here. Send gpt-6-astra when the task is worth that output rate and you want the 1.05M window with image input.
Both are OpenAI IDs. The field you change is model: gpt-6-astra or gpt-5.4-pro.
When to send gpt-5.4-pro
GPT-5.4 Pro is the outlier on the rate card: its list output rate is far above GPT-5.4. Send gpt-5.4-pro only when you have already chosen that ID on purpose.
Both are OpenAI IDs. The field you change is model: gpt-5.4-pro or gpt-6-astra.
The same volume, two bills
A sample of 1 million input tokens plus 200 thousand output tokens is about $4.00 on corouter (input $2.00, output $2.00).
A sample of 1 million input tokens plus 200 thousand output tokens is about $13.20 on corouter (input $6.00, output $7.20).
Questions
- Which output rate is lower, GPT-6 Astra or GPT-5.4 Pro?
- On output, GPT-6 Astra is lower: $10.00 on corouter versus $36.00 for GPT-5.4 Pro, about 3.60×. Input is $2.00 versus $6.00.
- Is corouter affiliated with the model vendors?
- No. corouter is not affiliated with OpenAI or Anthropic. Vendor names identify the model and the published list rate.
- How do you start billing?
- Create a console account and spend prepaid credits. The minimum top-up is $5. The API base is https://api.corouter.co. Put the ID you chose in the model field.