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
| Plan | Price | Description |
|---|---|---|
| Free Trial | Free | Provides basic access to GPT-5.6 Luna Pro capabilities, including AI conversations, content generation, coding assistance, and API testing. Suitable for individuals and developers exploring AI capabilities and building prototypes. |
| Paid Plan | Usage-based pricing | Charged based on API input and output token usage. Designed for developers and businesses requiring higher usage limits, reliable performance, and scalable AI deployment. |
| Enterprise Plan | Custom Pricing | Provides enterprise-grade AI solutions, including large-scale API integration, team management, security controls, system integration, data protection, and dedicated technical support. |
Efficient AI Reasoning: Provides fast response times and reliable reasoning performance for real-time applications and high-frequency requests.
Text Generation & Understanding: Supports content creation, summarization, translation, Q&A, and information analysis.
Coding Assistance: Helps developers with code generation, debugging, optimization, and software development tasks.
AI Agent Workflows: Supports tool calling, multi-step task execution, and automated workflows.
Long Context Processing: Handles large documents, complex information, and extended conversations.
Cost-Effective API Performance: Designed for scalable applications such as customer support, productivity tools, and AI-powered services.
① AI application developers
② Software engineers
③ Enterprise technology teams
④ Product managers and startup teams
⑤ Content creators and marketing professionals
⑥ Professionals seeking affordable and efficient AI solutions
| Model | Context | Pricing | API | Released | Global Heat |
|---|---|---|---|---|---|
|
GPT-5.6 Luna Pro
|
1.1M | — | YES | 2026-07 |
99/100
|
| 1.1M | — | YES | 2026-07 |
98/100
|
|
| 1.1M | — | YES | 2026-07 |
91/100
|
|
| 1.1M | — | YES | 2026-07 |
87/100
|
|
| 1.1M | — | YES | 2026-07 |
95/100
|
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