GPT-5.6 Luna Pro

GPT-5.6 Luna Pro is GPT-5.6 Luna served in pro reasoning mode, for higher-quality answers at the cost-efficient Luna rate. It's developed by OpenAI and offers 1,050,000 tokens of context with balanced response times. Available now on JustSimpleChat.

GPT-5.6 Luna Pro costs $0.1 per million input tokens and $0.6 per million output tokens. You can use it on JustSimpleChat with flexible pricing options. Check our pricing page for current rates.

GPT-5.6 Luna Pro supports 1,050,000 input tokens and 128,000 output tokens. This large context window makes it ideal for analyzing long documents, codebases, and extensive conversations.

GPT-5.6 Luna Pro is classified as balanced speed. This means it's balanced, offering a good mix of speed and thoughtful responses. Perfect for complex reasoning, detailed analysis, and tasks requiring careful consideration.

GPT-5.6 Luna Pro excels at complex problem-solving and logical analysis, analyzing images and visual content, working with text, images, and other media, data analysis and research. It offers reliable performance for everyday AI tasks.

Yes! GPT-5.6 Luna Pro is excellent for coding tasks. It supports code generation and can help with debugging, refactoring, and writing code across multiple programming languages. Many developers use it for pair programming and code review.

JustSimpleChat has a free plan with a daily message allowance; GPT-5.6 Luna Pro itself unlocks on a paid plan. Sign up free to start, and upgrade only if you need more.

Getting started with GPT-5.6 Luna Pro is easy: 1) Sign up or log in to JustSimpleChat, 2) Open the chat interface, 3) Select GPT-5.6 Luna Pro from the model picker, and 4) Start chatting! No complex setup required - just choose and use.

GPT-5.6 Luna Pro supports reasoning, vision, multimodal, analysis, function calling, structured output, and more. This makes it a versatile choice for a wide range of AI-powered tasks and applications.

GPT-5.6 Luna Pro is part of OpenAI's model lineup. On JustSimpleChat, you can compare it side by side with hundreds of other models from providers like OpenAI, Google and Anthropic to find the best fit for your needs.