--- title: "Z.ai: GLM 5.3 FlashX Legal — unrated, priced in this catalogue · Undominated.ai" canonical: https://undominated.ai/models/z-ai__glm-5.3-flashx-legal/ description: "Z.ai: GLM 5.3 FlashX Legal: $0.370/M in, $1.25/M out. No LMArena general score in this catalogue — unrated, not ranked, not scored zero." --- # Z.ai: GLM 5.3 FlashX Legal — unrated, priced in this catalogue · Undominated.ai > Z.ai: GLM 5.3 FlashX Legal: $0.370/M in, $1.25/M out. No LMArena general score in this catalogue — unrated, not ranked, not scored zero. [Check base rates for this workload](/check/z-ai__glm-5.3-flashx-legal/) [Cheaper alternatives](/alternatives/) [Family](/families/) [Compare models](https://undominated.ai/compare/?models=z-ai%2Fglm-5.3-flashx-legal) Comparison context Choose up to three standard models in Compare. Requirements and prompt length apply in Compare. This page keeps its stated price basis and workload controls. MODEL PROOF # GLM 5.3 FlashX Legal Z.ai · 02 Nov 2026 Balanced Summarise Chat Code gen Agentic NO LMARENA GENERAL SCORE ## No LMArena general score is attached to this listing. **$0.590** / 1M tokens Balanced · 3 tokens in per 1 out Evidence as of 05 Nov 2026 [openrouter/models](https://openrouter.ai/api/v1/models) Independent LMArena score No LMArena general score Context window 1.05M Maximum output 131.07K Input modalities text, image, video Output modalities text Published input price $0.370 / 1M tokens Published output price $1.25 / 1M tokens Pricing kind fixed Inspect [complete billing conditions](#billing-details) and endpoint terms below. Price from Z.AI: the cheapest offer that is serving, at standard delivery, with at least 90% of the reference context and at the maker’s precision or better, at its standard rate. Every price dimension · USD per million tokens | Input | $0.370 /M | | --- | --- | | Output | $1.25 /M | | Cached input | $0.075 /M | | Cache write | Unknown /M | | Cache write 1h | Unknown /M | | Reasoning | Unknown /M | ### Who sells it The same weights, different shops. Cheapest is not like-for-like when serving precision differs. 1 provider offers · rates, limits and conditions Rates are USD per million tokens. Endpoint terms can differ even when the quoted price and precision match. A listed parameter is a provider declaration, not a task-success test. | Seller | Input | Output | Precision | Uptime (1d) | | --- | --- | --- | --- | --- | | Seller Z.AI z-ai/fp8 Endpoint terms Cached input /M $0.075 Context limit 1,048,576 tokens Output limit 131,072 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes 100.00% | Input $0.370 | Output $1.25 | Precision fp8 | Uptime (1d) 100.00% | ### Independent scores No independent benchmark has measured this model. Unrated is not a score of zero. ### Capability | Context window | 1M | | --- | --- | | Max output | 131K | | Input modes | text, image, video | | Tool use | yes | | Reasoning | always on | | Open weights | Unknown | ### Provenance | Price source | [openrouter.ai](https://openrouter.ai/api/v1/models) | | --- | --- | | Fetched | 2026-11-05 | | Quality data | unrated | GLM-5.3-FlashX-Legal (GLM-Legal) is Z.ai's legal-domain variant of GLM-5.3-FlashX, a native multimodal model that accepts text, image, and video input and produces text. It adds legal-domain mid-training and post-training with reinforcement... ## Questions this page answers What does GLM 5.3 FlashX Legal cost? $0.370/M in, $1.25/M out in this catalogue, as of the fetch date on this page. That is the API row, not a subscription. Does GLM 5.3 FlashX Legal have an independent quality score? GLM 5.3 FlashX Legal has no LMArena general score in this catalogue. Unrated is not a score of zero. What beats GLM 5.3 FlashX Legal? GLM 5.3 FlashX Legal has no LMArena general score. Unrated is not a score of zero. Does this page use Artificial Analysis scores for GLM 5.3 FlashX Legal? No. Artificial Analysis figures are not published here. Quality on this page is LMArena Elo where a score exists; otherwise the row is unrated. Does a missing score mean GLM 5.3 FlashX Legal scored zero? Unrated is not a score of zero. MODEL MONUMENT ## Save or share this proof Download proof card · 1200 × 630 Preview and more sharing options Z.ai: GLM 5.3 FlashX Legal. Balanced workload. Not rated on the LMArena general board. Evidence as of 05 Nov 2026. Copy model link Download square card · 1080 × 1080 Copy landscape image Share landscape card ## Related No LMArena general score, so there is no dominator to name. Unrated is not a clean bill of health. - Same vendor [GLM 5.3](/models/z-ai__glm-5.3/) - Z.ai models [Z.ai](/providers/z-ai/) - Where this model appears [effort](/effort/) - Same vendor [GLM 5.3 Flash](/models/z-ai__glm-5.3-flash/) - Same vendor [GLM 5.2](/models/z-ai__glm-5.2/) ## Badge The verdict as one SVG, for a README or a docs page. It states this model's dominance status at the balanced workload on the LMArena lens, with the date it was computed, and it is rebuilt with the catalogue — so it changes when the verdict changes, including to one you would rather it did not. Markdown Copy [![GLM 5.3 FlashX Legal — Undominated.ai dominance verdict](https://undominated.ai/badge/z-ai__glm-5.3-flashx-legal.svg)](https://undominated.ai/models/z-ai__glm-5.3-flashx-legal/) HTML Copy GLM 5.3 FlashX Legal — Undominated.ai dominance verdict Direct file: [https://undominated.ai/badge/z-ai__glm-5.3-flashx-legal.svg](https://undominated.ai/badge/z-ai__glm-5.3-flashx-legal.svg) — a static SVG, written by scripts/build-badges.mjs on every build, so the copy you embed is never older than the last deploy. ## Continue your investigation - [Explore model families](/families/) - [Compare a shortlist](/compare/) - [Check a model](/check/) - [Understand the evidence](/methodology/)