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

# gpt-5.6-terra - Model Details & Comparison

> gpt-5.6-terra from OpenRouter: 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-terra

gpt-5.6-terra is a chat model from OpenRouter, one of 454 chat models they offer. It is priced at $2.00 per 1M input tokens and $12.00 per 1M output tokens, ranking 2639 out of 3321 chat models by cost and cheaper than 20% of models in this category. gpt-5.6-terra supports vision, function calling, reasoning, prompt caching, structured output. Its 1,050K-token context window is in the top 2% among chat models.

## Specifications

- **OpenRouter Provider.**
- **Chat Mode.**
- **1,050,000 Max Input Tokens.**
- **128,000 Max Output Tokens.**
- **128,000 Max Tokens.**
- **$2.00 / 1M tokens Input Price.**
- **$12.00 / 1M tokens Output Price.**

## Capabilities

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

## gpt-5.6-terra Pricing Overview

At $2.00 per 1M input tokens and $12.00 per 1M output tokens, gpt-5.6-terra ranks 2639 out of 3321 chat models by input cost. It is more expensive compared to the median of $0.50 for chat models, and is cheaper than 20% of models in this category.

gpt-5.6-terra is one of 454 OpenRouter chat models, with support for vision, function calling, reasoning, prompt caching, structured output. its 1,050K-token context window places it in the top 2% of chat models.

## Models to Compare

Alternatives to gpt-5.6-terra with comparable capabilities.

| Model | Provider | Input $/1M | Output $/1M |
| --- | --- | --- | --- |
| amazon.nova-2-pro-preview-20251202-v1:0 | AWS Bedrock | $2.19 | $17.50 |
| apac.amazon.nova-2-pro-preview-20251202-v1:0 | AWS Bedrock | $2.19 | $17.50 |
| eu.amazon.nova-2-pro-preview-20251202-v1:0 | AWS Bedrock | $2.19 | $17.50 |
| us.amazon.nova-2-pro-preview-20251202-v1:0 | AWS Bedrock | $2.19 | $17.50 |
| anthropic.claude-sonnet-5 | AWS Bedrock | $2.00 | $10.00 |

- [Compare amazon.nova-2-pro-preview-20251202-v1:0](https://www.getmaxim.ai/bifrost/model-library/compare/bedrock/amazon.nova-2-pro-preview-20251202-v1-0.md)
- [Compare apac.amazon.nova-2-pro-preview-20251202-v1:0](https://www.getmaxim.ai/bifrost/model-library/compare/bedrock/apac.amazon.nova-2-pro-preview-20251202-v1-0.md)
- [Compare eu.amazon.nova-2-pro-preview-20251202-v1:0](https://www.getmaxim.ai/bifrost/model-library/compare/bedrock/eu.amazon.nova-2-pro-preview-20251202-v1-0.md)
- [Compare us.amazon.nova-2-pro-preview-20251202-v1:0](https://www.getmaxim.ai/bifrost/model-library/compare/bedrock/us.amazon.nova-2-pro-preview-20251202-v1-0.md)
- [Compare anthropic.claude-sonnet-5](https://www.getmaxim.ai/bifrost/model-library/compare/bedrock/anthropic.claude-sonnet-5.md)

## Related Resources

- [Calculate gpt-5.6-terra costs](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/openrouter/model/gpt-5.6-terra.md)
- [Check OpenRouter status](https://www.getmaxim.ai/bifrost/provider-status/openrouter.md)
- [All OpenRouter pricing](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/openrouter.md)

## FAQ

### Is gpt-5.6-terra cheaper than amazon.nova-2-pro-preview-20251202-v1:0?

Yes. gpt-5.6-terra costs $2.00 per 1M input tokens compared to amazon.nova-2-pro-preview-20251202-v1:0's $2.19 per 1M input tokens, making it 9% more affordable. Both are chat models and share support for vision, function calling, reasoning, prompt caching, structured output.

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

gpt-5.6-terra input pricing is $2.00 per 1M tokens, which is 300% above the median of $0.50 for chat models. It ranks 2639 out of 3321 chat models by input cost, making it cheaper than 20% of models in this category. For output, it costs $12.00 per 1M tokens compared to the median of $1.50.

### What makes gpt-5.6-terra different from other OpenRouter models?

Among OpenRouter's 454 chat models, gpt-5.6-terra ranks 340 by input cost.

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

The most comparable chat models to gpt-5.6-terra are: amazon.nova-2-pro-preview-20251202-v1:0 from AWS Bedrock ($2.19/1M input tokens); apac.amazon.nova-2-pro-preview-20251202-v1:0 from AWS Bedrock ($2.19/1M input tokens); eu.amazon.nova-2-pro-preview-20251202-v1:0 from AWS Bedrock ($2.19/1M input tokens); us.amazon.nova-2-pro-preview-20251202-v1:0 from AWS Bedrock ($2.19/1M 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-terra's context window?

gpt-5.6-terra supports up to 1,050,000 input tokens, placing it in the top 2% of chat models by context window size (rank 54 of 3315). This makes it suitable for processing long documents, extensive code repositories, or maintaining detailed conversation histories.

### How do I check if OpenRouter is down?

You can monitor OpenRouter service health in real time on the Bifrost OpenRouter 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-terra costs?

gpt-5.6-terra 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 $2.00 and generating 1M output tokens costs $12.00.

## Related Resources

- [OpenRouter models](https://www.getmaxim.ai/bifrost/model-library/provider/openrouter.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/openrouter/gpt-5.6-terra](https://www.getmaxim.ai/bifrost/model-library/compare/openrouter/gpt-5.6-terra) for AI/LLM consumption.*