---
title: "xai.grok-4.3 - Model Details & Comparison"
description: "xai.grok-4.3 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/xai.grok-4.3"
markdown: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/bedrock_mantle/xai.grok-4.3.md"
---

# xai.grok-4.3 - Model Details & Comparison

> xai.grok-4.3 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 xai.grok-4.3

xai.grok-4.3 is a chat model from Bedrock Mantle, one of 9 chat models they offer. It is priced at $1.25 per 1M input tokens and $2.50 per 1M output tokens, ranking 1925 out of 2669 chat models by cost and cheaper than 27% of models in this category. xai.grok-4.3 supports vision, function calling, reasoning, structured output. It accepts up to 131K input tokens.

## Specifications

- **Bedrock Mantle Provider.**
- **Chat Mode.**
- **131,072 Max Input Tokens.**
- **16,384 Max Output Tokens.**
- **16,384 Max Tokens.**
- **$1.25 / 1M tokens Input Price.**
- **$2.50 / 1M tokens Output Price.**

## Capabilities

xai.grok-4.3 supports: Function Calling, Vision, Reasoning, Response Schema, Tool Choice.

## xai.grok-4.3 Pricing Overview

At $1.25 per 1M input tokens and $2.50 per 1M output tokens, xai.grok-4.3 ranks 1925 out of 2669 chat models by input cost. It is more expensive compared to the median of $0.50 for chat models, and is cheaper than 27% of models in this category.

xai.grok-4.3 is one of 9 Bedrock Mantle chat models, with support for vision, function calling, reasoning, structured output.

## Models to Compare

Alternatives to xai.grok-4.3 with comparable capabilities.

| Model | Provider | Input $/1M | Output $/1M |
| --- | --- | --- | --- |
| apac.anthropic.claude-haiku-4-5-20251001-v1:0 | AWS Bedrock | $1.10 | $5.50 |
| gpt-5-2025-08-07 | Azure | $1.38 | $11.00 |
| gpt-5.1 | Azure | $1.38 | $11.00 |
| gpt-5.1-chat | Azure | $1.38 | $11.00 |
| gpt-5.1-2025-11-13 | Azure | $1.25 | $10.00 |

- [Compare apac.anthropic.claude-haiku-4-5-20251001-v1:0](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/bedrock/apac.anthropic.claude-haiku-4-5-20251001-v1-0.md)
- [Compare gpt-5-2025-08-07](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/azure/gpt-5-2025-08-07.md)
- [Compare gpt-5.1](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/azure/gpt-5.1.md)
- [Compare gpt-5.1-chat](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/azure/gpt-5.1-chat.md)
- [Compare gpt-5.1-2025-11-13](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/azure/gpt-5.1-2025-11-13.md)

## Related Resources

- [Calculate xai.grok-4.3 costs](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/bedrock_mantle/model/xai.grok-4.3.md)
- [All Bedrock Mantle pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/bedrock_mantle.md)

## FAQ

### Is xai.grok-4.3 cheaper than apac.anthropic.claude-haiku-4-5-20251001-v1:0?

No. xai.grok-4.3 costs $1.25 per 1M input tokens while apac.anthropic.claude-haiku-4-5-20251001-v1:0 costs $1.10 per 1M input tokens, making apac.anthropic.claude-haiku-4-5-20251001-v1:0 12% more affordable for input. However, xai.grok-4.3 may offer different capabilities or performance characteristics that justify the price difference.

### How does xai.grok-4.3 pricing compare to the average chat model?

xai.grok-4.3 input pricing is $1.25 per 1M tokens, which is 150% above the median of $0.50 for chat models. It ranks 1925 out of 2669 chat models by input cost, making it cheaper than 27% of models in this category. For output, it costs $2.50 per 1M tokens compared to the median of $1.44.

### What makes xai.grok-4.3 different from other Bedrock Mantle models?

Among Bedrock Mantle's 9 chat models, xai.grok-4.3 ranks 9 by input cost.

### What are the best alternatives to xai.grok-4.3?

The most comparable chat models to xai.grok-4.3 are: apac.anthropic.claude-haiku-4-5-20251001-v1:0 from AWS Bedrock ($1.10/1M input tokens); gpt-5-2025-08-07 from Azure ($1.38/1M input tokens); gpt-5.1 from Azure ($1.38/1M input tokens); gpt-5.1-chat from Azure ($1.38/1M 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 xai.grok-4.3 costs?

xai.grok-4.3 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 $1.25 and generating 1M output tokens costs $2.50.

## 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/xai.grok-4.3](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/bedrock_mantle/xai.grok-4.3) for AI/LLM consumption.*