---
title: "glm-4.5-air - Model Details & Comparison"
description: "glm-4.5-air from Vercel AI Gateway: capabilities, context limits, pricing, and side-by-side comparisons with alternative models."
url: "https://www.getmaxim.ai/bifrost/model-library/compare/vercel_ai_gateway/glm-4.5-air"
markdown: "https://www.getmaxim.ai/bifrost/model-library/compare/vercel_ai_gateway/glm-4.5-air.md"
---

# glm-4.5-air - Model Details & Comparison

> glm-4.5-air from Vercel AI Gateway: 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 glm-4.5-air

glm-4.5-air is a chat model from Vercel Ai Gateway, one of 95 chat models they offer. It is priced at $0.20 per 1M input tokens and $1.10 per 1M output tokens, ranking 756 out of 2969 chat models by cost and cheaper than 70% of models in this category. glm-4.5-air supports function calling. It accepts up to 128K input tokens.

## Specifications

- **Vercel AI Gateway Provider.**
- **Chat Mode.**
- **128,000 Max Input Tokens.**
- **96,000 Max Output Tokens.**
- **96,000 Max Tokens.**
- **$0.20 / 1M tokens Input Price.**
- **$1.10 / 1M tokens Output Price.**

## Capabilities

glm-4.5-air supports: Function Calling, Tool Choice.

## glm-4.5-air Pricing Overview

At $0.20 per 1M input tokens and $1.10 per 1M output tokens, glm-4.5-air ranks 756 out of 2969 chat models by input cost. It is more affordable compared to the median of $0.55 for chat models, and is cheaper than 70% of models in this category.

glm-4.5-air is one of 95 Vercel Ai Gateway chat models, with support for function calling.

## Models to Compare

Alternatives to glm-4.5-air with comparable capabilities.

| Model | Provider | Input $/1M | Output $/1M |
| --- | --- | --- | --- |
| anthropic.claude-3-haiku-20240307-v1:0 | AWS Bedrock | $0.25 | $1.25 |
| apac.anthropic.claude-3-haiku-20240307-v1:0 | AWS Bedrock | $0.25 | $1.25 |
| gpt-5.4-nano | Azure | $0.20 | $1.25 |
| gpt-5.4-nano-2026-03-17 | Azure | $0.20 | $1.25 |
| gpt-4o-mini-2024-07-18 | Azure | $0.17 | $0.66 |

- [Compare anthropic.claude-3-haiku-20240307-v1:0](https://www.getmaxim.ai/bifrost/model-library/compare/bedrock/anthropic.claude-3-haiku-20240307-v1-0.md)
- [Compare apac.anthropic.claude-3-haiku-20240307-v1:0](https://www.getmaxim.ai/bifrost/model-library/compare/bedrock/apac.anthropic.claude-3-haiku-20240307-v1-0.md)
- [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-4o-mini-2024-07-18](https://www.getmaxim.ai/bifrost/model-library/compare/azure/gpt-4o-mini-2024-07-18.md)

## Related Resources

- [Calculate glm-4.5-air costs](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/vercel_ai_gateway/model/glm-4.5-air.md)
- [All Vercel Ai Gateway pricing](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/vercel_ai_gateway.md)

## FAQ

### Is glm-4.5-air cheaper than anthropic.claude-3-haiku-20240307-v1:0?

Yes. glm-4.5-air costs $0.20 per 1M input tokens compared to anthropic.claude-3-haiku-20240307-v1:0's $0.25 per 1M input tokens, making it 25% more affordable. Both are chat models and share support for vision, function calling, structured output.

### How does glm-4.5-air pricing compare to the average chat model?

glm-4.5-air input pricing is $0.20 per 1M tokens, which is 64% below the median of $0.55 for chat models. It ranks 756 out of 2969 chat models by input cost, making it cheaper than 70% of models in this category. For output, it costs $1.10 per 1M tokens compared to the median of $1.50.

### What makes glm-4.5-air different from other Vercel Ai Gateway models?

Among Vercel Ai Gateway's 95 chat models, glm-4.5-air ranks 29 by input cost.

### What are the best alternatives to glm-4.5-air?

The most comparable chat models to glm-4.5-air are: anthropic.claude-3-haiku-20240307-v1:0 from AWS Bedrock ($0.25/1M input tokens); apac.anthropic.claude-3-haiku-20240307-v1:0 from AWS Bedrock ($0.25/1M input tokens); 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). 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 glm-4.5-air costs?

glm-4.5-air 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 $0.20 and generating 1M output tokens costs $1.10.

## Related Resources

- [Vercel AI Gateway models](https://www.getmaxim.ai/bifrost/model-library/provider/vercel_ai_gateway.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/vercel_ai_gateway/glm-4.5-air](https://www.getmaxim.ai/bifrost/model-library/compare/vercel_ai_gateway/glm-4.5-air) for AI/LLM consumption.*