All Models

GPT-5.6 Luna (2x usage)

gpt-luna Reasoning Tool Calling Attachments Structured Output

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...

Providers 1
Released Jul 9, 2026
Input Modalities text, image, pdf
Output Modalities text
Tarsk Use coding

Benchmarks

51.2
Intelligence Index
71.4
Coding Index

Available Providers (1)

Provider Model ID Input Cost Output Cost Context Max Output Docs
OpenCode Go gpt-5.6-luna $0.10/MTok $0.60/MTok 1.1M 128K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output