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Zhipu AI (Z.ai)

GLM 5.3 FlashX

Benchmarks, price, context and versions

Also searched as

GLM-5.3-FlashX

Direct answer: GLM 5.3 FlashX is a model from Zhipu AI (Z.ai). On OpenRouter, US$ 0.37 per 1 million input tokens and US$ 1.25 per 1 million output tokens.

✓ Good for

  • very long documents or code (a window of 1 million tokens or more, according to OpenRouter)

✕ Not the best for

  • Not enough data in the open sources this section uses to build this block.

This block follows a rule of this section, using source data: if the model is in the top 25% of the metric, the item goes under "Good for"; if it is in the bottom half, it goes under "Not the best for". The middle band appears in neither. Price and context use OpenRouter; scores use Epoch AI or OpenRouter Benchmarks, in the latest version we checked.

Benchmarks

no data

Key specs

Origin
China
Family
GLM FlashX provisional data
Weights?what it is
undisclosed
License
no data
Input US$/1M?
US$ 0.37
Output US$/1M
US$ 1.25
Context?
1,048,576 tokens
Parameters
no data
Input
image, text, video
OpenRouter usage?
no data
Downloads (30 days)?
no data
Use cases provisional data
Text Agents
Dates in sources
  • 2026, listed on OpenRouter

Version history

Dates come from the sources: OpenRouter listing or Hugging Face repo creation, which may differ from the official launch.

FAQ

What is GLM 5.3 FlashX?

GLM 5.3 FlashX is a model from Zhipu AI (Z.ai), with undisclosed weights, used for text, agents.

How much does GLM 5.3 FlashX cost?

On OpenRouter, US$ 0.37 per 1 million input tokens and US$ 1.25 per 1 million output tokens.

What is the context window of GLM 5.3 FlashX?

1,048,576 tokens, per OpenRouter.

Is GLM 5.3 FlashX open source?

No data in open sources.

Is GLM 5.3 FlashX good for coding?

No data: there is no SWE-bench Verified measurement for it in open sources.

Who made GLM 5.3 FlashX?

It was made by Zhipu AI (Z.ai), a lab from China.

provisional data Questions under review: Semrush had no API balance during collection. Answers use source data only.

Models from Zhipu AI (Z.ai)

See lab

Sources

  • OpenRouter, dados públicos da API; exports de benchmarks e rankings em CC BY 4.0, latest version we checked.

Dates come from the sources: OpenRouter listing or Hugging Face repo creation, which may differ from the official launch. Family and version were grouped by rule from the name.