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Model comparison

GPT-5.5 vs GPT-5.6 Sol

List rate, corouter rate, context, and which ID to send for gpt-5.5 versus gpt-5.6-sol. A sample of 1 million input tokens plus 200 thousand output tokens is about $2.20 on corouter (input $1.00, output $1.20). A sample of 1 million input tokens plus 200 thousand output tokens is about $2.20 on corouter (input $1.00, output $1.20).

GPT-5.5 vs GPT-5.6 Sol
GPT-5.5GPT-5.6 Sol
IDgpt-5.5gpt-5.6-sol
VendorOpenAIOpenAI
List input$5.00$5.00
corouter input$1.00$1.00
List output$30.00$30.00
corouter output$6.00$6.00
Cache read$0.100$0.100
Context1.1M1.1M

Price gap

GPT-5.5 and GPT-5.6 Sol share the same corouter input and output rates: $1.00 input and $6.00 output. The difference in this pair is the model ID, not the rate card.

Window and modalities

Both windows are 1.1M. GPT-5.5 is listed with these modalities: Chat, Reasoning, Code, Vision. GPT-5.6 Sol is listed with these modalities: Chat, Reasoning, Code, Vision.

When to send gpt-5.5

GPT-5.5 keeps the high GPT-5.6 Sol list rate and the Code tag. Send gpt-5.5 when a workload was already qualified on that exact ID.

Both are OpenAI IDs. The field you change is model: gpt-5.5 or gpt-5.6-sol.

When to send gpt-5.6-sol

GPT-5.6 Sol remains the high GPT-5.6 ID, with a list rate above GPT-6 Sol and below GPT-6 Astra. Send gpt-5.6-sol when an existing client already pins that ID.

Both are OpenAI IDs. The field you change is model: gpt-5.6-sol or gpt-5.5.

The same volume, two bills

A sample of 1 million input tokens plus 200 thousand output tokens is about $2.20 on corouter (input $1.00, output $1.20).

A sample of 1 million input tokens plus 200 thousand output tokens is about $2.20 on corouter (input $1.00, output $1.20).

Questions

Which output rate is lower, GPT-5.5 or GPT-5.6 Sol?
GPT-5.5 and GPT-5.6 Sol share the same corouter input and output rates: $1.00 input and $6.00 output. The difference in this pair is the model ID, not the rate card.
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.