---
title: "glm-5.3 - Model Details & Comparison"
description: "glm-5.3 from Inferenceapis: capabilities, context limits, pricing, and side-by-side comparisons with alternative models."
url: "https://www.getmaxim.ai/bifrost/model-library/compare/inferenceapis/glm-5.3"
markdown: "https://www.getmaxim.ai/bifrost/model-library/compare/inferenceapis/glm-5.3.md"
---

# glm-5.3 - Model Details & Comparison

> glm-5.3 from Inferenceapis: 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 glm-5.3

glm-5.3 is a chat model from Inferenceapis, one of 36 chat models they offer. It is priced at $1.82 per 1M input tokens and $5.72 per 1M output tokens, ranking 2807 out of 3793 chat models by cost and cheaper than 26% of models in this category. glm-5.3 supports function calling, reasoning, prompt caching. Its 1,049K-token context window is in the top 13% among chat models.

## Specifications

- **Inferenceapis Provider.**
- **Chat Mode.**
- **1,048,575 Max Input Tokens.**
- **1,048,575 Max Tokens.**
- **$1.82 / 1M tokens Input Price.**
- **$5.72 / 1M tokens Output Price.**

## Capabilities

glm-5.3 supports: Function Calling, Reasoning, Prompt Caching, Tool Choice.

## glm-5.3 Pricing Overview

At $1.82 per 1M input tokens and $5.72 per 1M output tokens, glm-5.3 ranks 2807 out of 3793 chat models by input cost. It is more expensive compared to the median of $0.60 for chat models, and is cheaper than 26% of models in this category.

glm-5.3 is one of 36 Inferenceapis chat models, with support for function calling, reasoning, prompt caching. its 1,049K-token context window places it in the top 13% of chat models.

## Models to Compare

Alternatives to glm-5.3 with comparable capabilities.

| Model | Provider | Input $/1M | Output $/1M |
| --- | --- | --- | --- |
| anthropic.claude-sonnet-5 | AWS Bedrock | $2.00 | $10.00 |
| global.anthropic.claude-sonnet-5 | AWS Bedrock | $2.00 | $10.00 |
| us.anthropic.claude-sonnet-5 | AWS Bedrock | $2.20 | $11.00 |
| eu.anthropic.claude-sonnet-5 | AWS Bedrock | $2.20 | $11.00 |
| au.anthropic.claude-sonnet-5 | AWS Bedrock | $2.20 | $11.00 |

- [Compare anthropic.claude-sonnet-5](https://www.getmaxim.ai/bifrost/model-library/compare/bedrock/anthropic.claude-sonnet-5.md)
- [Compare global.anthropic.claude-sonnet-5](https://www.getmaxim.ai/bifrost/model-library/compare/bedrock/global.anthropic.claude-sonnet-5.md)
- [Compare us.anthropic.claude-sonnet-5](https://www.getmaxim.ai/bifrost/model-library/compare/bedrock/us.anthropic.claude-sonnet-5.md)
- [Compare eu.anthropic.claude-sonnet-5](https://www.getmaxim.ai/bifrost/model-library/compare/bedrock/eu.anthropic.claude-sonnet-5.md)
- [Compare au.anthropic.claude-sonnet-5](https://www.getmaxim.ai/bifrost/model-library/compare/bedrock/au.anthropic.claude-sonnet-5.md)

## Related Resources

- [Calculate glm-5.3 costs](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/inferenceapis/model/glm-5.3.md)
- [All Inferenceapis pricing](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/inferenceapis.md)

## FAQ

### Is glm-5.3 cheaper than anthropic.claude-sonnet-5?

Yes. glm-5.3 costs $1.82 per 1M input tokens compared to anthropic.claude-sonnet-5's $2.00 per 1M input tokens, making it 10% more affordable. Both are chat models and share support for vision, function calling, reasoning, prompt caching, structured output.

### How does glm-5.3 pricing compare to the average chat model?

glm-5.3 input pricing is $1.82 per 1M tokens, which is 203% above the median of $0.60 for chat models. It ranks 2807 out of 3793 chat models by input cost, making it cheaper than 26% of models in this category. For output, it costs $5.72 per 1M tokens compared to the median of $1.75.

### What makes glm-5.3 different from other Inferenceapis models?

Among Inferenceapis's 36 chat models, glm-5.3 ranks 35 by input cost.

### What are the best alternatives to glm-5.3?

The most comparable chat models to glm-5.3 are: anthropic.claude-sonnet-5 from AWS Bedrock ($2.00/1M input tokens); global.anthropic.claude-sonnet-5 from AWS Bedrock ($2.00/1M input tokens); us.anthropic.claude-sonnet-5 from AWS Bedrock ($2.20/1M input tokens); eu.anthropic.claude-sonnet-5 from AWS Bedrock ($2.20/1M 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 large is glm-5.3's context window?

glm-5.3 supports up to 1,048,575 input tokens, placing it in the top 13% of chat models by context window size (rank 492 of 3746). This makes it suitable for processing long documents, extensive code repositories, or maintaining detailed conversation histories.

### How do I calculate glm-5.3 costs?

glm-5.3 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 $1.82 and generating 1M output tokens costs $5.72.

## Related Resources

- [Inferenceapis models](https://www.getmaxim.ai/bifrost/model-library/provider/inferenceapis.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/inferenceapis/glm-5.3](https://www.getmaxim.ai/bifrost/model-library/compare/inferenceapis/glm-5.3) for AI/LLM consumption.*
