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

# glm-5.3-flashx - Model Details & Comparison

> glm-5.3-flashx from Bigmodel: 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-flashx

glm-5.3-flashx is a chat model from Bigmodel, one of 3 chat models they offer. It is priced at $0.29 per 1M input tokens and $1.00 per 1M output tokens, ranking 1424 out of 4042 chat models by cost and cheaper than 65% of models in this category. glm-5.3-flashx supports vision, function calling, reasoning, prompt caching. Its 1,000K-token context window is in the top 28% among chat models.

## Specifications

- **Bigmodel Provider.**
- **Chat Mode.**
- **1,000,000 Max Input Tokens.**
- **128,000 Max Output Tokens.**
- **$0.29 / 1M tokens Input Price.**
- **$1.00 / 1M tokens Output Price.**

## Capabilities

glm-5.3-flashx supports: Function Calling, Vision, Reasoning, Video Input, Prompt Caching, Tool Choice.

## glm-5.3-flashx Pricing Overview

At $0.29 per 1M input tokens and $1.00 per 1M output tokens, glm-5.3-flashx ranks 1424 out of 4042 chat models by input cost. It is more affordable compared to the median of $0.60 for chat models, and is cheaper than 65% of models in this category.

glm-5.3-flashx is one of 3 Bigmodel chat models, with support for vision, function calling, reasoning, prompt caching. its 1,000K-token context window places it in the top 28% of chat models.

## Models to Compare

Alternatives to glm-5.3-flashx with comparable capabilities.

| Model | Provider | Input $/1M | Output $/1M |
| --- | --- | --- | --- |
| amazon.nova-2-lite-v1:0 | AWS Bedrock | $0.30 | $2.50 |
| us.amazon.nova-2-lite-v1:0 | AWS Bedrock | $0.33 | $2.75 |
| gpt-5-mini-2025-08-07 | Azure | $0.28 | $2.20 |
| gpt-5-mini | Azure | $0.25 | $2.00 |
| FW-MiniMax-M3 | Azure | $0.33 | $1.32 |

- [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 FW-MiniMax-M3](https://www.getmaxim.ai/bifrost/model-library/compare/azure/fw-minimax-m3.md)

## Related Resources

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

## FAQ

### Is glm-5.3-flashx cheaper than amazon.nova-2-lite-v1:0?

Yes. glm-5.3-flashx costs $0.29 per 1M input tokens compared to amazon.nova-2-lite-v1:0's $0.30 per 1M input tokens, making it 5% more affordable. Both are chat models and share support for vision, function calling, reasoning, prompt caching, structured output.

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

glm-5.3-flashx input pricing is $0.29 per 1M tokens, which is 52% below the median of $0.60 for chat models. It ranks 1424 out of 4042 chat models by input cost, making it cheaper than 65% of models in this category. For output, it costs $1.00 per 1M tokens compared to the median of $1.80.

### What makes glm-5.3-flashx different from other Bigmodel models?

Among Bigmodel's 3 chat models, glm-5.3-flashx ranks 2 by input cost.

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

The most comparable chat models to glm-5.3-flashx are: amazon.nova-2-lite-v1:0 from AWS Bedrock ($0.30/1M input tokens); us.amazon.nova-2-lite-v1:0 from AWS Bedrock ($0.33/1M 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 glm-5.3-flashx's context window?

glm-5.3-flashx supports up to 1,000,000 input tokens, placing it in the top 28% of chat models by context window size (rank 1003 of 4003). This makes it suitable for processing long documents, extensive code repositories, or maintaining detailed conversation histories.

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

glm-5.3-flashx 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 $0.29 and generating 1M output tokens costs $1.00.

## Related Resources

- [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/bigmodel/glm-5.3-flashx](https://www.getmaxim.ai/bifrost/model-library/compare/bigmodel/glm-5.3-flashx) for AI/LLM consumption.*
