The Orchestrator › Models › Z.ai
Z.ai: GLM 5.3 FlashX Legal
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...
Specifications
| Provider | Z.ai |
| Model ID | z-ai/glm-5.3-flashx-legal |
| Context window | 1.0M tokens (1,048,576) |
| Modalities | text + image + video → text |
| Tokenizer | Other |
| Router sources | OpenRouter, TrustedRouter, Vercel AI Gateway |
| Released | 2026-11-02 |
| Tracked since | 2026-11-14 |
| Popularity | Not in the ranked set |
| Reasoning | Mandatory |
Pricing (per million tokens)
| Variant | Source | API ID | Input | Output | Context |
|---|---|---|---|---|---|
| standard | OpenRouter | z-ai/glm-5.3-flashx-legal | $0.37 | $1.25 | 1.0M |
| standard | TrustedRouter | z-ai/glm-5.3-flashx-legal | $0.39 | $1.32 | 1.0M |
| standard | Vercel AI Gateway | z-ai/glm-5.3-flashx-legal | $0.37 | $1.25 | 1M |
Recorded price history
| Date | Input / 1M | Output / 1M | Context |
|---|---|---|---|
| 2026-11-14 | $0.37 | $1.25 | 1M |
| 2026-11-14 | $0.39 | $1.32 | 1.0M |
| 2026-11-14 | $0.37 | $1.25 | 1.0M |
Capabilities
Vision (image input)Video inputAgentic tool useStructured outputsReasoning (always on)1M+ context windowControllable reasoningNo content storage (attested)
Trust flags come from TrustedRouter's per-provider attestations.
Supported parameters
include_reasoning, max_tokens, reasoning, reasoning_effort, response_format, structured_outputs, temperature, tool_choice, tools, top_k, top_p