Z.ai (Zhipu), open weights

# GLM-5.3-FlashX

> GLM-5.3-FlashX by Z.ai (Zhipu), released September 2026. API: $0.37 in / $1.25 out per M tokens. 1M context. Scores, sources and comparisons.
- Canonical page: https://noometry.com/models/glm-5-3-flashx
- Last updated: 2026-10-10
- Title: GLM-5.3-FlashX Benchmarks, Price & Rank (October 2026)

GLM-5.3-FlashX is a Z.ai (Zhipu) model tracked on Noometry for pricing and specifications. API pricing starts at $0.37 per million input tokens and $1.25 per million output tokens, with a 1M-token context window.

Last verified October 10, 2026

## Specifications

- **Noometry rank:** Unranked
- **Index score:** Not ranked
- **Evidence:** 0 results
- **Provider:** [Z.ai (Zhipu)](https://noometry.com/providers/zai)
- **Released:** September 18, 2026
- **Weights:** Open weights
- **Reasoning:** Yes
- **Context window:** 1M
- **Max output:** 131K
- **Input price:** $0.37 / M
- **Output price:** $1.25 / M
- **Blended price:** $0.59 / M
- **Output speed:** Not measured
- **Value:** Not ranked
- **Knowledge cutoff:** Unknown
- **Input:** text, image, video, pdf

Sponsored placements are available on pages like this one. [Advertise on Noometry](https://noometry.com/advertise)

## Benchmark results

Every published result we track, with its source. Bold rows are the ones used for ranking; where several exist we prefer independent runs over self-reported numbers.

No public benchmark results are tracked for GLM-5.3-FlashX yet.

## API pricing by provider

GLM-5.3-FlashX API prices
| Route | Input $/M | Output $/M | Cached input $/M | Checked |
| --- | --- | --- | --- | --- |
| [openrouter](https://openrouter.ai/z-ai/glm-5.3-flashx) | $0.37 | $1.25 | $0.09 | 2026-10-10 |
| [zai](https://docs.z.ai/guides/overview/pricing) | $0.37 | $1.25 | $0.075 | 2026-10-10 |

[All Z.ai (Zhipu) API prices →](https://noometry.com/llm-pricing/zai) [Estimate your cost →](https://noometry.com/tools/cost-calculator)

## Compare GLM-5.3-FlashX

-   [GLM-5.3-FlashX vs GPT-6 Astra](https://noometry.com/compare/glm-5-3-flashx-vs-gpt-6-astra)
-   [GLM-5.3-FlashX vs Claude Fable 5.1](https://noometry.com/compare/claude-fable-5-1-vs-glm-5-3-flashx)
-   [GLM-5.3-FlashX vs Claude Opus 5.5](https://noometry.com/compare/claude-opus-5-5-vs-glm-5-3-flashx)
-   [GLM-5.3-FlashX vs Claude Opus 5](https://noometry.com/compare/claude-opus-5-vs-glm-5-3-flashx)
-   [GLM-5.3-FlashX vs Claude Fable 5](https://noometry.com/compare/claude-fable-5-vs-glm-5-3-flashx)
-   [GLM-5.3-FlashX vs GPT-6.1 Sol](https://noometry.com/compare/glm-5-3-flashx-vs-gpt-6-1-sol)
-   [GLM-5.3-FlashX vs Gemini 3.8 Flash](https://noometry.com/compare/gemini-3-8-flash-vs-glm-5-3-flashx)
-   [GLM-5.3-FlashX vs Kimi K3](https://noometry.com/compare/glm-5-3-flashx-vs-kimi-k3)
-   [GLM-5.3-FlashX vs Grok 4.6](https://noometry.com/compare/glm-5-3-flashx-vs-grok-4-6)
-   [GLM-5.3-FlashX vs Qwen3.8 Max](https://noometry.com/compare/glm-5-3-flashx-vs-qwen3-8-max)
-   [GLM-5.3-FlashX vs Muse Spark 1.3](https://noometry.com/compare/glm-5-3-flashx-vs-muse-spark-1-3)
-   [GLM-5.3-FlashX vs DeepSeek V4 Pro](https://noometry.com/compare/deepseek-v4-pro-vs-glm-5-3-flashx)
-   [GLM-5.3-FlashX vs MiMo-V2.6-Pro](https://noometry.com/compare/glm-5-3-flashx-vs-mimo-v2-6-pro)

## Other Z.ai (Zhipu) models

-   [GLM-5.3](https://noometry.com/models/glm-5-3)54.8
-   [GLM-5.3-Flash](https://noometry.com/models/glm-5-3-flash)51.8
-   [GLM-5.2](https://noometry.com/models/glm-5-2)51.1
-   [GLM-5.1](https://noometry.com/models/glm-5-1)47.8
-   [GLM-5](https://noometry.com/models/glm-5)46.1
-   [GLM-5V-Turbo](https://noometry.com/models/glm-5v-turbo)43.8
-   [GLM-4.5](https://noometry.com/models/glm-4-5)42.0
-   [GLM-4.7](https://noometry.com/models/glm-4-7)42.0

## Frequently asked questions

### How good is GLM-5.3-FlashX?

GLM-5.3-FlashX is a Z.ai (Zhipu) model tracked on Noometry for pricing and specifications. API pricing starts at $0.37 per million input tokens and $1.25 per million output tokens, with a 1M-token context window.

### How much does GLM-5.3-FlashX cost?

GLM-5.3-FlashX costs $0.37 per million input tokens and $1.25 per million output tokens on Z.ai (Zhipu)'s own API, with cached input at $0.075.

### What is GLM-5.3-FlashX's context window?

GLM-5.3-FlashX accepts up to 1M tokens of input and can write up to 131K tokens in one response.

### Is GLM-5.3-FlashX open source?

Yes. GLM-5.3-FlashX's weights are downloadable; check the license for commercial terms.

### Cite this page

Noometry. (2026). GLM-5.3-FlashX benchmarks and pricing. Retrieved October 10, 2026, from https://noometry.com/models/glm-5-3-flashx

Quote Noometry with a link back to this page. It is also available in [Markdown](https://noometry.com/md/models/glm-5-3-flashx.md).