GLM 5.3 Prime
by Z.aiz-ai/glm-5.3-prime
LLMCompare cannot run GLM 5.3 Prime 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 Prime at a glance
- Context length
- 1,000,000 tokens
- Maximum output
- 131,072 tokens
- Accepts
- Text
- Returns
- Text
- Features
- ReasoningJSON outputTool callingPrompt caching
- Reasoning effort levels
maxhighlowReasoning is always on for this model.- Released
- 23 Sep 2026
- Knowledge cutoff
- Not published
Model facts synced from the OpenRouter model list on 21 Oct 2026.
GLM 5.3 Prime pricing by route
A route is the service LLMCompare calls to reach the model. GLM 5.3 Prime 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 | $2.80 | $8.80 | $0.56 | openrouter.ai/z-ai/glm-5.3-prime |
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 Prime 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
- $0.0072
- 9 credits
- Cost of 100 calls
- $0.72
- 900 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 131,072 | 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 Prime
GLM-5.3-Prime is the high-speed variant of Z.ai's GLM-5.3, inheriting its full capabilities while delivering 1.5–2× the output throughput through inference acceleration. It supports text input and output with a 1M-token...
Description as published for this model. LLMCompare has not edited it.
Models to compare with GLM 5.3 Prime
Text models from the same provider and models at the nearest price. The order is not a ranking.
| Add to comparison | Model | Context | Max output | Input priceper 1M tokens | Output priceper 1M tokens | Features | Released | On LLMCompare |
|---|---|---|---|---|---|---|---|---|
GLM 5.2Z.aiz-ai/glm-5.2 | 1.05M | 944k | $0.0341 | $7.00 | ReasoningJSONToolsCache | No route yet | ||
GLM 5.1Z.aiz-ai/glm-5.1 | 205k | 131k | $1.40 | $4.40 | JSONToolsCache | No route yet | ||
GLM 5V TurboZ.aiz-ai/glm-5v-turbo | 203k | 131k | $1.20 | $4.00 | JSONToolsCacheVision | No route yet | ||
GPT-5.1-Codex-MaxOpenAIopenai/gpt-5.1-codex-max | 400k | 128k | $1.25 | $10.00 | ReasoningJSONToolsCacheVision | No route yet | ||
GPT-5.1OpenAIopenai/gpt-5.1 | 400k | 128k | $1.25 | $10.00 | ReasoningJSONToolsCacheVision | No route yet | ||
GPT-5.1-CodexOpenAIopenai/gpt-5.1-codex | 400k | 128k | $1.25 | $10.00 | ReasoningJSONToolsCacheVision | No route yet |
Questions about GLM 5.3 Prime
- How much does GLM 5.3 Prime cost?
- On the OpenRouter route, GLM 5.3 Prime costs $2.80 per 1 million input tokens and $8.80 per 1 million output tokens, in US dollars. Input tokens that GLM 5.3 Prime reads from the prompt cache cost $0.56 per 1 million tokens. LLMCompare verified this price on 21 Oct 2026.
- What is the context length of GLM 5.3 Prime?
- GLM 5.3 Prime has a context length of 1,000,000 tokens and returns up to 131,072 output tokens in one call.
- What inputs does GLM 5.3 Prime accept?
- GLM 5.3 Prime accepts these inputs: Text. GLM 5.3 Prime returns: Text.
- Which reasoning effort levels does GLM 5.3 Prime support?
- GLM 5.3 Prime supports these reasoning effort levels: max, high, low. Reasoning is always on for GLM 5.3 Prime and cannot be turned off.
- Can I test GLM 5.3 Prime on my own data?
- Not yet. LLMCompare lists the prices and parameters of GLM 5.3 Prime, but no route to GLM 5.3 Prime is configured on LLMCompare, so it cannot be selected for an evaluation.