GPT 5.6 Luna (Fast)
Cost-efficient GPT-5.6 model for fast, high-volume workloads
Context
1,050,000
Max output
128,000
Input / 1M
$0.40
Output / 1M
$2.40
Providers
1
01Profile
Profile
Released
2026-07-09
Last updated
2026-07-09
Knowledge cutoff
2026-02-16
Weights
Closed
02Capabilities
Capabilities
Input
text · image · pdf
Output
text
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
Attachments
Yes
Cache read
—
Cache write
—
03Pricing
Pricing across 1 providers
Per 1M tokens, USD. Sorted by input price. First-party row highlighted.
04History
Change history
1+ recent events since 2026-07-09
2026-08-17Addedverceloffering→ new