---
title: "openai.gpt-5.6-luna - Model Details & Comparison"
description: "openai.gpt-5.6-luna from Bedrock Mantle: capabilities, context limits, pricing, and side-by-side comparisons with alternative models."
url: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/bedrock_mantle/openai.gpt-5.6-luna"
markdown: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/bedrock_mantle/openai.gpt-5.6-luna.md"
---

# openai.gpt-5.6-luna - Model Details & Comparison

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

## Important Links

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

## About openai.gpt-5.6-luna

openai.gpt-5.6-luna is a responses model from Bedrock Mantle, one of 5 responses models they offer. It is priced at $1.10 per 1M input tokens and $6.60 per 1M output tokens, ranking 7 out of 53 responses models by cost and cheaper than 87% of models in this category. openai.gpt-5.6-luna supports vision, function calling, reasoning, prompt caching, structured output. It accepts up to 272K input tokens.

## Specifications

- **Bedrock Mantle Provider.**
- **Responses Mode.**
- **272,000 Max Input Tokens.**
- **128,000 Max Output Tokens.**
- **128,000 Max Tokens.**
- **$1.10 / 1M tokens Input Price.**
- **$6.60 / 1M tokens Output Price.**

## Capabilities

openai.gpt-5.6-luna supports: Function Calling, Vision, Reasoning, Prompt Caching, Response Schema, Tool Choice.

## openai.gpt-5.6-luna Pricing Overview

At $1.10 per 1M input tokens and $6.60 per 1M output tokens, openai.gpt-5.6-luna ranks 7 out of 53 responses models by input cost. It is more affordable compared to the median of $2.75 for responses models, and is cheaper than 87% of models in this category.

openai.gpt-5.6-luna is one of 5 Bedrock Mantle responses models, with support for vision, function calling, reasoning, prompt caching, structured output.

## Models to Compare

Alternatives to openai.gpt-5.6-luna with comparable capabilities.

| Model | Provider | Input $/1M | Output $/1M |
| --- | --- | --- | --- |
| gpt-5.1-codex | Azure | $1.25 | $10.00 |
| gpt-5.1-codex-2025-11-13 | Azure | $1.25 | $10.00 |
| gpt-5-codex | Azure | $1.25 | $10.00 |
| gpt-5.1-codex-max | Azure | $1.25 | $10.00 |
| gpt-5-codex | OpenAI | $1.25 | $10.00 |

- [Compare gpt-5.1-codex](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/azure/gpt-5.1-codex.md)
- [Compare gpt-5.1-codex-2025-11-13](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/azure/gpt-5.1-codex-2025-11-13.md)
- [Compare gpt-5-codex](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/azure/gpt-5-codex.md)
- [Compare gpt-5.1-codex-max](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/azure/gpt-5.1-codex-max.md)
- [Compare gpt-5-codex](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/openai/gpt-5-codex.md)

## Related Resources

- [Calculate openai.gpt-5.6-luna costs](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/bedrock_mantle/model/openai.gpt-5.6-luna.md)
- [All Bedrock Mantle pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/bedrock_mantle.md)

## FAQ

### Is openai.gpt-5.6-luna cheaper than gpt-5.1-codex?

Yes. openai.gpt-5.6-luna costs $1.10 per 1M input tokens compared to gpt-5.1-codex's $1.25 per 1M input tokens, making it 14% more affordable. Both are responses models and share support for vision, function calling, reasoning, prompt caching, structured output.

### How does openai.gpt-5.6-luna pricing compare to the average responses model?

openai.gpt-5.6-luna input pricing is $1.10 per 1M tokens, which is 60% below the median of $2.75 for responses models. It ranks 7 out of 53 responses models by input cost, making it cheaper than 87% of models in this category. For output, it costs $6.60 per 1M tokens compared to the median of $16.50.

### What makes openai.gpt-5.6-luna different from other Bedrock Mantle models?

Among Bedrock Mantle's 5 responses models, openai.gpt-5.6-luna ranks 1 by input cost.

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

The most comparable responses models to openai.gpt-5.6-luna are: gpt-5.1-codex from Azure ($1.25/1M input tokens); gpt-5.1-codex-2025-11-13 from Azure ($1.25/1M input tokens); gpt-5-codex from Azure ($1.25/1M input tokens); gpt-5.1-codex-max from Azure ($1.25/1M 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 do I calculate openai.gpt-5.6-luna costs?

openai.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 $1.10 and generating 1M output tokens costs $6.60.

## Related Resources

- [Bedrock Mantle models](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/provider/bedrock_mantle.md)
- [Model library](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library.md)
- [LLM cost calculator](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator.md)
- [Docs: Bifrost docs](https://docs.getbifrost.ai)
- [GitHub: maximhq/bifrost](https://github.com/maximhq/bifrost)
- [Pricing: Bifrost pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/pricing.md)
- [Enterprise: Bifrost enterprise](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/enterprise)
- [Book a Demo: Bifrost demo](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/book-a-demo)
- [Resources: Bifrost resources](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/resources.md)

---

*This is a markdown version of [https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/bedrock_mantle/openai.gpt-5.6-luna](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/bedrock_mantle/openai.gpt-5.6-luna) for AI/LLM consumption.*