GLM 5.3 Flash
by Z.aiz-ai/glm-5.3-flash
LLMCompare cannot run GLM 5.3 Flash yet.No route to this model is configured on this site yet. Its prices and parameters are listed below for reference.
See the models that can be run nowGLM 5.3 Flash at a glance
- Context length
- 1,048,576 tokens
- Maximum output
- 943,717 tokens
- Accepts
- Text, Image, Video
- Returns
- Text
- Features
- ReasoningJSON outputTool callingPrompt cachingImage input
- Reasoning effort levels
maxhighlowReasoning is always on for this model.- Released
- 26 Aug 2026
- Knowledge cutoff
- Not published
Model facts synced from the OpenRouter model list on 21 Oct 2026.
GLM 5.3 Flash pricing by route
A route is the service LLMCompare calls to reach the model. GLM 5.3 Flash has 1 route. Prices are in US dollars.
| Route | On LLMCompare | Inputper 1M tokens | Outputper 1M tokens | Cache readper 1M tokens | Price verified on | Source |
|---|---|---|---|---|---|---|
| OpenRouterDefault | Not configured | $0.15 | $0.50 | $0.03 | openrouter.ai/z-ai/glm-5.3-flash |
The cost shown in an LLMCompare report is calculated from these prices as they were at the time of the run.
Cost calculator
Estimate what a batch of calls to GLM 5.3 Flash costs. The starting numbers are examples. Change them to match your task.
Part of the input tokens above, billed at the cache read price.
Billed in addition to the output tokens.
- Cost per call
- $0.0004
- 1 credits
- Cost of 100 calls
- $0.04
- 100 credits
Calculated from the OpenRouter prices verified on 21 Oct 2026. Credits are the cost plus a 20% service fee, at $0.001 per credit, rounded up for each call, with a minimum of 1 per call. A real run is charged for the usage the provider reports.
Parameters you can set
These are the parameters LLMCompare can set when it calls the model through OpenRouter.
| Parameter | Type | Range or options | Default |
|---|---|---|---|
temperature | Number | 0 to 2in steps of 0.1 | Provider default |
top_p | Number | 0 to 1in steps of 0.05 | Provider default |
max_tokens | Integer | 1 to 943,717 | Provider default |
reasoning_effort | One of | maxhighlow | max |
seed | Integer | -2,147,483,648 to 4,294,967,295 | Provider default |
response_format | One of | textjson_object | Provider default |
About GLM 5.3 Flash
GLM-5.3-Flash is a native multimodal model from Z.ai. It is suited for efficient coding and long-horizon agent tasks. Its hybrid sparse and linear attention architecture maintains accurate long-context behavior while...
Description as published for this model. LLMCompare has not edited it.
Models to compare with GLM 5.3 Flash
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Questions about GLM 5.3 Flash
- How much does GLM 5.3 Flash cost?
- On the OpenRouter route, GLM 5.3 Flash costs $0.15 per 1 million input tokens and $0.50 per 1 million output tokens, in US dollars. Input tokens that GLM 5.3 Flash reads from the prompt cache cost $0.03 per 1 million tokens. LLMCompare verified this price on 21 Oct 2026.
- What is the context length of GLM 5.3 Flash?
- GLM 5.3 Flash has a context length of 1,048,576 tokens and returns up to 943,717 output tokens in one call.
- What inputs does GLM 5.3 Flash accept?
- GLM 5.3 Flash accepts these inputs: Text, Image, Video. GLM 5.3 Flash returns: Text.
- Which reasoning effort levels does GLM 5.3 Flash support?
- GLM 5.3 Flash supports these reasoning effort levels: max, high, low. Reasoning is always on for GLM 5.3 Flash and cannot be turned off.
- Can I test GLM 5.3 Flash on my own data?
- Not yet. LLMCompare lists the prices and parameters of GLM 5.3 Flash, but no route to GLM 5.3 Flash is configured on LLMCompare, so it cannot be selected for an evaluation.