GPT-5.6 Luna
openai/gpt-5.6-luna
Cost-efficient GPT-5.6 model for fast, high-volume workloads
Capabilities
ReasoningYes
Tool callingYes
Structured outputYes
TemperatureFixed
AttachmentYes
Open weightsNo
Limits
Context1,050,000 tokens
Max input922,000 tokens
Max output128,000 tokens
Details
Familygpt-luna
Knowledge cutoff2026-02-16
Release date2026-07-09
Last updated2026-07-09
Modalities
Inputtext, image, pdf
Outputtext
Benchmarks
SWE-Bench Pro
62.7
resolve rate
Terminal-Bench
84.7
success rate
DeepSWE
67.2
resolve rate
GPQA Diamond
92.3
accuracy
FrontierMath
78.6
accuracy
BrowseComp
83.3
accuracy
OSWorld
45.6
success rate
MMMU Pro
78.4
accuracy
Agents' Last Exam
50.3
Toolathlon
53.4
success rate
Artificial Analysis Intelligence Index
51.2
index score
Artificial Analysis Coding Agent Index
74.6
index score
Community Rating
—
No ratings yet
Sign in to rate
Pricing
Cost per 1M tokens
InputN/A
OutputN/A