OpenAI: GPT-5.6 Luna Pro (openai/gpt-5.6-luna-pro) is a chat model from openrouter with a 1.1M-token context window; capabilities tools, reasoning, vision; input image, pdf, text; output text.
1.1MContext
128KMax output
$1$ / 1M in
Pricing
Input
$1 / 1M tokens
Output
$6 / 1M tokens
Currency
USD
Note
Indicative US list price — verify with the vendor.
Indicative US list price — a reference only, verify with the vendor. Source: openrouter. Last verified 2026-07-24.