Vivgrid
GPT 5.6 Luna
GPT model for general reasoning, writing, coding, and tool-assisted tasks
gpt-5.6-lunaContext
1.1M
Max output
128K
Input $/M
$1.00
Output $/M
$6.00
Cache read $/M
$0.10
Cache write $/M
$1.25
Against the catalogue
Context window1.1M
Larger than 99% of the 5,751 models listed
Input price$1.00
Cheaper than 32% of priced models
Capabilities
Reasoningsupported
Tool callingsupported
Structured outputsupported
Attachmentssupported
Temperaturesupported
Open weightsnot supported
Interleaved thinkingnot supported
Modalities
Input
TextImagePDF
Output
Text
Reasoning controls
effortnone, low, medium, high, xhigh, maxPricing detail
| Rate | Base $/M |
|---|---|
| Input | $1.00 |
| Output | $6.00 |
| Cache read | $0.10 |
| Cache write | $1.25 |