GPT 5.6 Luna
GPT 5.6 Luna is the fast, low-cost model of the GPT-5.6 family, holding strong capability at the lowest price in the series while sharing the family's agentic gains in coding, biology, and cybersecurity and a context window of 1.1M tokens. Your use is subject to OpenAI's Terms & Privacy Policies.
ReasoningFile InputTool UseVision (Image)Implicit CachingWeb SearchWebsockets
import { streamText } from 'ai'
const result = streamText({ model: 'openai/gpt-5.6-luna', prompt: 'Why is the sky blue?'})Providers
Route requests across multiple providers. Copy a provider slug to set your preference. Visit the docs for more info. Using a provider means you agree to their terms, listed under Legal.
| Provider |
|---|
| 1.1M | 128K | 1.9s | 145tps | $1/M$0.20/M +4 more | $6/M$1.20/M +4 more | Read:$0.1/M$0.02/M+2 more Write:$1.25/M$0.25/M+2 more | $10/K + input costs | +4 | 07/09/2026 | |||||
| 1.1M | 128K | 1.6s | 133tps | $1/M+1 more | $6/M+1 more | Read: $0.1/M+1 more Write: $1.25/M+1 more | $14/K + input costs | +3 | 07/09/2026 | |||||
| 272K | 272K | 3.0s | 99tps | $1.10/M$0.22/M +1 more | $6.60/M$1.32/M +1 more | Read: $0.11/M$0.02/M+1 more Write: $1.38/M$0.28/M+1 more | $10/K + input costs | +3 | 07/09/2026 |
