GPT-5.6 Luna (OpenRouter)

router

OpenRouter · openai/gpt-5.6-luna · prices updated September 13, 2026

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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

Tokenizer≈ cl100k_base

Tools

Web Search

Token counts are approximate (marked "≈" in the calculator). Tool calls are billed by the provider separately.

About the model

Access via the global OpenRouter API router (USD billing, +5.5% on credit top-ups; blocked for Russian IPs since 2026-06-27) — not the official OpenAI API