LLMoney

GPT-5.6 Luna

vendor

OpenAI · gpt-5.6-luna · prices updated August 1, 2026

Estimate on your own text →
Input · 1M tokens
$0.2
 
Cached input · 1M
$0.02−90%
 
Output · 1M tokens
$1.2
 

Price history

inputoutput

Specifications

Context window1,050,000
Knowledge cutoffFeb 2026
Tokenizertiktoken (o200k_base)
Batch API−50% off the price
Tools
Web SearchCode InterpreterFile SearchImage GenerationComputer UseMCP

Exact token counts: local tiktoken tokenizer (o200k_base). Tool calls are billed by the provider separately.

About the model

Fast model of the GPT-5.6 line, the new default (GA 2026-07-09)