--- title: "in.openai.gpt-5.6-luna - Model Details & Comparison" description: "in.openai.gpt-5.6-luna from Bedrock Mantle: capabilities, context limits, pricing, and side-by-side comparisons with alternative models." url: "https://www.getmaxim.ai/bifrost/model-library/compare/bedrock_mantle/in.openai.gpt-5.6-luna" markdown: "https://www.getmaxim.ai/bifrost/model-library/compare/bedrock_mantle/in.openai.gpt-5.6-luna.md" --- # in.openai.gpt-5.6-luna - Model Details & Comparison > in.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://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 in.openai.gpt-5.6-luna in.openai.gpt-5.6-luna is a chat model from Bedrock Mantle, one of 99 chat models they offer. It is priced at $0.22 per 1M input tokens and $1.32 per 1M output tokens, ranking 1197 out of 3793 chat models by cost and cheaper than 68% of models in this category. in.openai.gpt-5.6-luna supports vision, function calling, reasoning, prompt caching, structured output. Its 922K-token context window is in the top 29% among chat models. ## Specifications - **Bedrock Mantle Provider.** - **Chat Mode.** - **922,000 Max Input Tokens.** - **128,000 Max Output Tokens.** - **128,000 Max Tokens.** - **$0.22 / 1M tokens Input Price.** - **$1.32 / 1M tokens Output Price.** ## Capabilities in.openai.gpt-5.6-luna supports: Function Calling, Vision, Reasoning, Prompt Caching, Response Schema, PDF Input. ## in.openai.gpt-5.6-luna Pricing Overview At $0.22 per 1M input tokens and $1.32 per 1M output tokens, in.openai.gpt-5.6-luna ranks 1197 out of 3793 chat models by input cost. It is more affordable compared to the median of $0.60 for chat models, and is cheaper than 68% of models in this category. in.openai.gpt-5.6-luna is one of 99 Bedrock Mantle chat models, with support for vision, function calling, reasoning, prompt caching, structured output. its 922K-token context window places it in the top 29% of chat models. ## Models to Compare Alternatives to in.openai.gpt-5.6-luna with comparable capabilities. | Model | Provider | Input $/1M | Output $/1M | | --- | --- | --- | --- | | gpt-5.4-nano | Azure | $0.20 | $1.25 | | gpt-5.4-nano-2026-03-17 | Azure | $0.20 | $1.25 | | gpt-5-mini-2025-08-07 | Azure | $0.28 | $2.20 | | gpt-5-mini | Azure | $0.25 | $2.00 | | gpt-5.6-luna | Azure | $0.20 | $1.20 | - [Compare gpt-5.4-nano](https://www.getmaxim.ai/bifrost/model-library/compare/azure/gpt-5.4-nano.md) - [Compare gpt-5.4-nano-2026-03-17](https://www.getmaxim.ai/bifrost/model-library/compare/azure/gpt-5.4-nano-2026-03-17.md) - [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 gpt-5.6-luna](https://www.getmaxim.ai/bifrost/model-library/compare/azure/gpt-5.6-luna.md) ## Related Resources - [Calculate in.openai.gpt-5.6-luna costs](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/bedrock_mantle/model/in.openai.gpt-5.6-luna.md) - [All Bedrock Mantle pricing](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/bedrock_mantle.md) ## FAQ ### Is in.openai.gpt-5.6-luna cheaper than gpt-5.4-nano? No. in.openai.gpt-5.6-luna costs $0.22 per 1M input tokens while gpt-5.4-nano costs $0.20 per 1M input tokens, making gpt-5.4-nano 9% more affordable for input. However, in.openai.gpt-5.6-luna may offer different capabilities or performance characteristics that justify the price difference. ### How does in.openai.gpt-5.6-luna pricing compare to the average chat model? in.openai.gpt-5.6-luna input pricing is $0.22 per 1M tokens, which is 63% below the median of $0.60 for chat models. It ranks 1197 out of 3793 chat models by input cost, making it cheaper than 68% of models in this category. For output, it costs $1.32 per 1M tokens compared to the median of $1.75. ### What makes in.openai.gpt-5.6-luna different from other Bedrock Mantle models? Among Bedrock Mantle's 99 chat models, in.openai.gpt-5.6-luna ranks 48 by input cost. ### What are the best alternatives to in.openai.gpt-5.6-luna? The most comparable chat models to in.openai.gpt-5.6-luna are: gpt-5.4-nano from Azure ($0.20/1M input tokens); gpt-5.4-nano-2026-03-17 from Azure ($0.20/1M 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 in.openai.gpt-5.6-luna's context window? in.openai.gpt-5.6-luna supports up to 922,000 input tokens, placing it in the top 29% of chat models by context window size (rank 1062 of 3746). This makes it suitable for processing long documents, extensive code repositories, or maintaining detailed conversation histories. ### How do I calculate in.openai.gpt-5.6-luna costs? in.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 $0.22 and generating 1M output tokens costs $1.32. ## Related Resources - [Bedrock Mantle models](https://www.getmaxim.ai/bifrost/model-library/provider/bedrock_mantle.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.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/bedrock_mantle/in.openai.gpt-5.6-luna](https://www.getmaxim.ai/bifrost/model-library/compare/bedrock_mantle/in.openai.gpt-5.6-luna) for AI/LLM consumption.*