GPT-5.6 Luna is a fast, cost-efficient model in OpenAI's GPT-5.6 series. It is suited for high-volume, latency-sensitive tasks such as chat, classification, and lightweight agentic workflows, providing capable reasoning for...
Rank
#167
Up 6% week over week
Tokens
14.0B
2026-10-21
Requests
1.2M
1,218,536
Tool calls
-
Input / M
$0.10
Output / M
$0.60
Cache / M
$0.01
Context
1.1M
1,050,000 tokens