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

# gpt-5.6-luna - Model Details & Comparison

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

## Important Links

- [View MCP Gateway](https://www.getmaxim.ai/resources/mcp-gateway.md)
- [Features](https://www.getmaxim.ai/bifrost/#features)
- [Enterprise](https://www.getmaxim.ai/enterprise)
- [Pricing](https://www.getmaxim.ai/pricing.md)
- [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 Kyma, one of 83 chat models they offer. It is priced at $0.29 per 1M input tokens and $1.77 per 1M output tokens, ranking 1435 out of 4042 chat models by cost and cheaper than 64% of models in this category. gpt-5.6-luna supports vision, function calling, reasoning, prompt caching, structured output. Its 1,050K-token context window is in the top 3% among chat models.

## Specifications

- **Kyma Provider.**
- **Chat Mode.**
- **1,050,000 Max Input Tokens.**
- **128,000 Max Output Tokens.**
- **$0.29 / 1M tokens Input Price.**
- **$1.77 / 1M tokens Output Price.**

## Capabilities

gpt-5.6-luna supports: Function Calling, Vision, Reasoning, Prompt Caching, Response Schema, PDF Input.

## gpt-5.6-luna Pricing Overview

At $0.29 per 1M input tokens and $1.77 per 1M output tokens, gpt-5.6-luna ranks 1435 out of 4042 chat models by input cost. It is more affordable compared to the median of $0.60 for chat models, and is cheaper than 64% of models in this category.

gpt-5.6-luna is one of 83 Kyma chat models, with support for vision, function calling, reasoning, prompt caching, structured output. its 1,050K-token context window places it in the top 3% of chat models.

## Models to Compare

Alternatives to gpt-5.6-luna with comparable capabilities.

| Model | Provider | Input $/1M | Output $/1M |
| --- | --- | --- | --- |
| amazon.nova-2-lite-v1:0 | AWS Bedrock | $0.30 | $2.50 |
| us.amazon.nova-2-lite-v1:0 | AWS Bedrock | $0.33 | $2.75 |
| gpt-5-mini-2025-08-07 | Azure | $0.28 | $2.20 |
| gpt-5-mini | Azure | $0.25 | $2.00 |
| gemini-2.5-flash | Vertex AI | $0.30 | $2.50 |

- [Compare gpt-5-mini-2025-08-07](https://www.getmaxim.ai/bifrost/model-library/compare/azure/gpt-5-mini-2025-08-07.md)
- [Compare gpt-5-mini](https://www.getmaxim.ai/bifrost/model-library/compare/azure/gpt-5-mini.md)
- [Compare gemini-2.5-flash](https://www.getmaxim.ai/bifrost/model-library/compare/vertex_ai/gemini-2.5-flash.md)

## Related Resources

- [Calculate gpt-5.6-luna costs](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/kyma/model/gpt-5.6-luna.md)
- [All Kyma pricing](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/kyma.md)

## FAQ

### Is gpt-5.6-luna cheaper than amazon.nova-2-lite-v1:0?

Yes. gpt-5.6-luna costs $0.29 per 1M input tokens compared to amazon.nova-2-lite-v1:0's $0.30 per 1M input tokens, making it 2% more affordable. Both are chat models and share support for vision, function calling, reasoning, prompt caching, structured output.

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

gpt-5.6-luna input pricing is $0.29 per 1M tokens, which is 51% below the median of $0.60 for chat models. It ranks 1435 out of 4042 chat models by input cost, making it cheaper than 64% of models in this category. For output, it costs $1.77 per 1M tokens compared to the median of $1.80.

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

Among Kyma's 83 chat models, gpt-5.6-luna ranks 21 by input cost.

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

The most comparable chat models to gpt-5.6-luna are: amazon.nova-2-lite-v1:0 from AWS Bedrock ($0.30/1M input tokens); us.amazon.nova-2-lite-v1:0 from AWS Bedrock ($0.33/1M input tokens); gpt-5-mini-2025-08-07 from Azure ($0.28/1M input tokens); gpt-5-mini from Azure ($0.25/1M 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 1,050,000 input tokens, placing it in the top 3% of chat models by context window size (rank 46 of 4003). This makes it suitable for processing long documents, extensive code repositories, or maintaining detailed conversation histories.

### 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 $0.29 and generating 1M output tokens costs $1.77.

## Related Resources

- [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.md)
- [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/resources.md)

---

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