Primary use stated or inferred cautiously from official documentation.
Z
Z.AI / glm-5.3-flashx-legal
GLM-5.3-FlashX-Legal
A GLM-5.3-FlashX variant for legal work: document understanding, legal research, contract review and drafting. The official guide lists its API identifier with multimodal input and text output. AutoClaw announced availability on October 28; OpenRouter listed it on November 2.
01 / SUMMARY
The essential
Maximum input capacity when published by the source.
Documented maximum generation limit.
Verified availability channels.
Primary functional family and verified specialties.
Declared terms for API access, model weights, or self-hosting.
02 / TECHNICAL SHEET
Limits and integration
| API ID | glm-5.3-flashx-legal |
|---|---|
| Model type | Text and reasoning · Multimodal |
| Access model | Paid proprietary |
| License | No verified weights license |
| Deployment | Hosted API |
| Release | 28 OCT 2026 |
| Knowledge cutoff | Not published |
| Entrance | Text · Image · Video · Documents |
| Exit | Text |
| Context window | 1M tokens |
| maximum output | 128K tokens |
| Reasoning | Required · low / high / max |
| Published tools | Features |
| Structured Outings | JSON |
| Batch processing | Not published |
| Prompt cache | Context cache |
| Fine-tuning | Not published |
| Verified platforms | Z.AI API · AutoClaw · OpenRouter |
Analyze case files and contracts with verifiable sources, authorized tools and professional oversight.
It may fabricate references or misinterpret jurisdiction and whether a rule remains in force. Verify every conclusion before use. It does not constitute legal advice. The 1M and 128K limits come from the shared guide; they do not establish quality on case files of that length. The Flash variant’s parameter count and open license are not inherited.
03 / CAPABILITIES
What it can do
Orientation
Analyze case files and contracts with verifiable sources, authorized tools and professional oversight.
Context
1M tokens · 128K tokens
Tools and integration
Features
Access
Z.AI API, AutoClaw and OpenRouter
Input modalities
TextImageVideoDocuments
04 / PRICES
Documented cost
| Concept | Worth | Unit/condition |
|---|---|---|
| Standard input | 0.37 USD / 1M tokens | Standard API rate |
| Cached input | 0.075 USD / 1M tokens | Reading reused prefixes |
| Cache write or storage | Not published | The condition varies by provider |
| Standard output | 1.25 USD / 1M tokens | May include reasoning tokens |
| Batch input | Not published | Asynchronous processing |
| Batch output | Not published | Asynchronous processing |
Official USD rates per million tokens: 0.37 input, 0.075 cached input and 1.25 output. Tools may add charges; AutoClaw and other intermediaries have their own terms. No Batch discount or downloadable weights have been verified for this variant.
i Prices change and may depend on level, region or context length. Check the source before making a decision.
05 / EVALUATIONS
How to read the results
“
AutoClaw reports a 19.2% full-pass rate on Harvey LAB, 12.5 percentage points above the base model. It does not detail the sample, jurisdictions or a reproducible setup here. LegalBench and PLawBench are mentioned without numeric scores. Inferama has not run these tests.
| Benchmark | Result | Metric | Source |
|---|---|---|---|
| Harvey LAB | 19,2 % | Full-pass rate | View source ↗ |
Inferama only highlights a “best result” when the metric, test set, configuration, and date allow for an equivalent comparison. The supplier's figures are presented as claims from its own source.
06 / VERSIONS
Chronology
OpenRouter
A new access channel; not the model’s original announcement date.
GLM-5.3-FlashX-Legal
Availability announced in AutoClaw.
07 / SOURCES