OpenAI: GPT-5.6 Luna Pro
Model Information
| Slug | gpt-5-6-luna-pro |
|---|---|
| LLMs.txt | View |
| Release Date | July 9, 2026 New |
Organization
| Name | OpenAI |
|---|---|
| Website | https://openai.com/ |
Model Description
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
Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode
Available at 5 Providers
| Provider | Type | Model Name | Original Model | Input ($/1M) | Output ($/1M) | Free | Actions | |
|---|---|---|---|---|---|---|---|---|
|
Cline |
Code
|
OpenAI: GPT-5.6 Luna Pro
|
openai/gpt-5.6-luna-pro
|
$1.00 | $6.00 | ||
|
Kilo Code |
Code
|
OpenAI: GPT-5.6 Luna Pro
|
openai/gpt-5.6-luna-pro
|
$1.00 | $6.00 | ||
|
Nous Research |
OpenAI: GPT-5.6 Luna Pro
|
openai/gpt-5.6-luna-pro
|
$1.00 | $6.00 | |||
|
OpenRouter |
Chat
Code
|
GPT-5.6 Luna Pro
|
openai/gpt-5.6-luna-pro
|
$1.00 | $6.00 | ||
|
Krater |
OpenAI: GPT-5.6 Luna Pro
|
gpt-5-6-luna-pro
|
- | - |