Get API key

Use case

GPT-5.5 long context

long context notes for gpt-5.5: the rate card, a worked volume, and when to send this ID. A sample of 1 million input tokens plus 200 thousand output tokens is about $2.20 on corouter (input $1.00, output $1.20).

Window

GPT-5.5 lists a 1.1M window. Tokens past that window are not silently cheaper. Truncate, split, or pick an ID with a larger window.

GPT-5.5 (gpt-5.5) lists at $5.00 input and $30.00 output per million tokens. corouter bills $1.00 input and $6.00 output. Context is 1.1M.

What a long prompt costs

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 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.

Questions

Which model ID should the request send?
Send gpt-5.5. Do not put a different name in the model field.
What is the minimum top-up?
Prepaid credits, $5 minimum top-up, no subscription tier.