Skip to content
OpenAI

GPT 5.6 Luna (Fast)

GPT-5.6 Luna is a fast, affordable GPT-5.6 model that brings strong capability at the lowest cost in the series. Your use is subject to OpenAI's Terms & Privacy Policies.

ReasoningFile InputTool UseVision (Image)Implicit CachingWeb SearchWebsockets
Use with AI GatewayView docs
import { streamText } from 'ai'


const result = streamText({
  model: 'openai/gpt-5.6-luna-fast',
  prompt: 'Why is the sky blue?'
})
Read docs
OverviewAPIProvidersThroughputLatencyUptimeStatusSimilar