OpenRouter
GPT-5.6 Terra
GPT model for general reasoning, writing, coding, and tool-assisted tasks
openai/gpt-5.6-terraContext
1.1M
Max output
128K
Input $/M
$2.50
Output $/M
$15.00
Cache read $/M
$0.25
Cache write $/M
$3.13
Against the catalogue
Context window1.1M
Larger than 99% of the 5,751 models listed
Input price$2.50
Cheaper than 14% of priced models
Capabilities
Reasoningsupported
Tool callingsupported
Structured outputsupported
Attachmentssupported
Temperaturenot supported
Open weightsnot supported
Interleaved thinkingnot supported
Modalities
Input
TextImagePDF
Output
Text
Reasoning controls
effortnone, low, medium, high, xhigh, maxPricing detail
| Rate | Base $/M |
|---|---|
| Input | $2.50 |
| Output | $15.00 |
| Cache read | $0.25 |
| Cache write | $3.13 |