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GPT-5.6 Luna

Canonical ID: kilo/openai/gpt-5.6-luna-pro

GPT-5.6 Luna Pro is the same underlying model as [GPT-5.6 Luna](https://openrouter.ai/openai/gpt-5.6-luna), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode

Reasoning: Yes Tool use: Yes

Overview

text image pdf
Provider
Kilo Gateway logo Kilo Gateway
Family
gpt-luna
Release date
2026-07-09
Last updated
2026-07-09
Input modalities
text, image, pdf
Output modalities
text

Pricing and Limits

Token pricing

Input
$0.2/1M
Output
$1.2/1M
Cached input
N/A
Currency: USD

Context and output

Context window
1,050,000
Max output tokens
128,000
Qualified ID
kilo/openai/gpt-5.6-luna-pro

Model Summary

GPT-5.6 Luna is a model listing in the Kilo Gateway provider catalog. It is categorized under the gpt-luna family.

The model supports text, image, pdf modalities across input/output paths. Reported context capacity is 1,050,000. Pricing is listed at $0.2/1M input and $1.2/1M output.

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