GPT-5.6 Luna Pro
Frontier GPT model for professional reasoning, coding, and multimodal work
Context
1,000,000
Max output
128,000
Input / 1M
$0.25
Output / 1M
$1.50
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
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
7+ recent events since 2026-07-09
2026-09-06Price cutveniceinput / 1M$1.25→ $0.25
2026-09-06Price cutveniceoutput / 1M$7.50→ $1.50
2026-08-10Price upveniceinput / 1M$0.27→ $1.25
2026-08-10Price upveniceoutput / 1M$1.60→ $7.50
2026-08-08Price cutveniceinput / 1M$1.25→ $0.27
2026-08-08Price cutveniceoutput / 1M$7.50→ $1.60
2026-07-09Addedveniceoffering→ new