---
title: "gpt-5.6-luna - Model Details & Comparison"
description: "gpt-5.6-luna from Azure: capabilities, context limits, pricing, and side-by-side comparisons with alternative models."
url: "https://www.getmaxim.ai/bifrost/model-library/compare/azure/gpt-5.6-luna"
markdown: "https://www.getmaxim.ai/bifrost/model-library/compare/azure/gpt-5.6-luna.md"
---

# gpt-5.6-luna - Model Details & Comparison

> gpt-5.6-luna from Azure: capabilities, context limits, pricing, and side-by-side comparisons with alternative models.

## Important Links

- [View MCP Gateway](https://www.getmaxim.ai/bifrost/resources/mcp-gateway.md)
- [Features](https://www.getmaxim.ai/bifrost/#features)
- [Enterprise](https://www.getmaxim.ai/enterprise)
- [Pricing](https://www.getmaxim.ai/pricing)
- [Docs](https://docs.getbifrost.ai)
- [GitHub](https://github.com/maximhq/bifrost)
- [Book a Demo](https://www.getmaxim.ai/book-a-demo)

## About gpt-5.6-luna

gpt-5.6-luna is a chat model from Azure, one of 222 chat models they offer. It is priced at $0.20 per 1M input tokens and $1.20 per 1M output tokens, ranking 715 out of 2969 chat models by cost and cheaper than 70% of models in this category. gpt-5.6-luna supports vision, function calling, reasoning, web search, prompt caching, structured output. Its 922K-token context window is in the top 18% among chat models.

## Specifications

- **Azure Provider.**
- **Chat Mode.**
- **922,000 Max Input Tokens.**
- **128,000 Max Output Tokens.**
- **128,000 Max Tokens.**
- **$0.20 / 1M tokens Input Price.**
- **$1.20 / 1M tokens Output Price.**

## Capabilities

gpt-5.6-luna supports: Function Calling, Vision, Reasoning, Web Search, Prompt Caching, Parallel Function Calling, System Messages, Response Schema, Tool Choice, PDF Input.

## gpt-5.6-luna Pricing Overview

At $0.20 per 1M input tokens and $1.20 per 1M output tokens, gpt-5.6-luna ranks 715 out of 2969 chat models by input cost. It is more affordable compared to the median of $0.55 for chat models, and is cheaper than 70% of models in this category.

gpt-5.6-luna is one of 222 Azure chat models, with support for vision, function calling, reasoning, web search, prompt caching, structured output. its 922K-token context window places it in the top 18% of chat models.

## Models to Compare

Alternatives to gpt-5.6-luna with comparable capabilities.

| Model | Provider | Input $/1M | Output $/1M |
| --- | --- | --- | --- |
| gemini-3.1-flash-lite-preview | Google Gemini | $0.25 | $1.50 |
| gemini-3.1-flash-lite | Google Gemini | $0.25 | $1.50 |
| gpt-5.6-luna | OpenAI | $0.20 | $1.20 |
| gpt-5.4-nano | OpenAI | $0.20 | $1.25 |
| gpt-5.4-nano-2026-03-17 | OpenAI | $0.20 | $1.25 |

- [Compare gemini-3.1-flash-lite-preview](https://www.getmaxim.ai/bifrost/model-library/compare/gemini/gemini-3.1-flash-lite-preview.md)
- [Compare gemini-3.1-flash-lite](https://www.getmaxim.ai/bifrost/model-library/compare/gemini/gemini-3.1-flash-lite.md)
- [Compare gpt-5.6-luna](https://www.getmaxim.ai/bifrost/model-library/compare/openai/gpt-5.6-luna.md)
- [Compare gpt-5.4-nano](https://www.getmaxim.ai/bifrost/model-library/compare/openai/gpt-5.4-nano.md)
- [Compare gpt-5.4-nano-2026-03-17](https://www.getmaxim.ai/bifrost/model-library/compare/openai/gpt-5.4-nano-2026-03-17.md)

## Related Resources

- [Calculate gpt-5.6-luna costs](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/azure/model/gpt-5.6-luna.md)
- [Check Azure AI status](https://www.getmaxim.ai/bifrost/provider-status/azure.md)
- [All Azure pricing](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/azure.md)

## FAQ

### Is gpt-5.6-luna cheaper than gemini-3.1-flash-lite-preview?

Yes. gpt-5.6-luna costs $0.20 per 1M input tokens compared to gemini-3.1-flash-lite-preview's $0.25 per 1M input tokens, making it 25% more affordable. Both are chat models and share support for vision, function calling, reasoning, audio input, web search, prompt caching, structured output.

### How does gpt-5.6-luna pricing compare to the average chat model?

gpt-5.6-luna input pricing is $0.20 per 1M tokens, which is 64% below the median of $0.55 for chat models. It ranks 715 out of 2969 chat models by input cost, making it cheaper than 70% of models in this category. For output, it costs $1.20 per 1M tokens compared to the median of $1.50.

### What makes gpt-5.6-luna different from other Azure models?

Among Azure's 222 chat models, gpt-5.6-luna ranks 38 by input cost.

### What are the best alternatives to gpt-5.6-luna?

The most comparable chat models to gpt-5.6-luna are: gemini-3.1-flash-lite-preview from Google Gemini ($0.25/1M input tokens); gemini-3.1-flash-lite from Google Gemini ($0.25/1M input tokens); gpt-5.6-luna from OpenAI ($0.20/1M input tokens); gpt-5.4-nano from OpenAI ($0.20/1M input tokens). These alternatives were selected based on similar capabilities, pricing, and provider diversity. You can compare any of these models in detail using the Bifrost Model Library.

### How large is gpt-5.6-luna's context window?

gpt-5.6-luna supports up to 922,000 input tokens, placing it in the top 18% of chat models by context window size (rank 520 of 2921). This makes it suitable for processing long documents, extensive code repositories, or maintaining detailed conversation histories.

### How do I check if Azure AI is down?

You can monitor Azure AI service health in real time on the Bifrost Azure AI Status page. It tracks current component status, active incidents, and historical reliability data pulled from the official status page every 60 seconds.

### How do I calculate gpt-5.6-luna costs?

gpt-5.6-luna is priced based on input and output tokens. Use the interactive calculator at the top of this page to estimate costs for your specific workload. Enter your expected input and output tokens volume and the calculator will show the total cost breakdown. For reference, processing 1M input tokens costs $0.20 and generating 1M output tokens costs $1.20.

## Related Resources

- [Azure models](https://www.getmaxim.ai/bifrost/model-library/provider/azure.md)
- [Model library](https://www.getmaxim.ai/bifrost/model-library.md)
- [LLM cost calculator](https://www.getmaxim.ai/bifrost/llm-cost-calculator.md)
- [Docs: Bifrost docs](https://docs.getbifrost.ai)
- [GitHub: maximhq/bifrost](https://github.com/maximhq/bifrost)
- [Pricing: Bifrost pricing](https://www.getmaxim.ai/pricing)
- [Enterprise: Bifrost enterprise](https://www.getmaxim.ai/enterprise)
- [Book a Demo: Bifrost demo](https://www.getmaxim.ai/book-a-demo)
- [Resources: Bifrost resources](https://www.getmaxim.ai/bifrost/resources.md)

---

*This is a markdown version of [https://www.getmaxim.ai/bifrost/model-library/compare/azure/gpt-5.6-luna](https://www.getmaxim.ai/bifrost/model-library/compare/azure/gpt-5.6-luna) for AI/LLM consumption.*
