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GLM-5.3-FlashX-Legal

Tools
z-ai/glm-5.3-flashx-legal

Vision · 1M context · Oct 2026 · 3 upstreams

GLM-5.3-FlashX-Legal (GLM-Legal) is Z.ai's model for professional legal workflows: document understanding, legal reasoning and task execution across legal research, contract review and document drafting. It adds legal-domain mid-training and post-training, with reinforcement learning in tens of thousands of task environments modeled on real legal work, on top of GLM-5.3-FlashX. It takes text, image, video and file input, returns text, and supports a 1M-token context window.

Needs your own keyTo use GLM-5.3-FlashX-Legal, add a key from Nous Research, OpenRouter or Vercel AI Gateway. AnyRouter adds no fee.
context
1M
input / 1M (list)
$0.37
output / 1M (list)
$1.25
routes
3
speed, 24h
—

Upstreams

3
  1. 1Nous ResearchYour keynot addedBilled to your key
  2. 2OpenRouterYour keynot addedBilled to your key
  3. 3Vercel AI GatewayYour keynot addedBilled to your key

Quick start

curl https://anyrouter.dev/api/v1/chat/completions \
  -H "Authorization: Bearer $ANYROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "z-ai/glm-5.3-flashx-legal",
  "messages": [
    {
      "role": "user",
      "content": "Say hi in 3 words."
    }
  ]
}'

Details

Owner
Zhipu AI
Kind
Vision
Released
Oct 2026
Context
1M
Data policy
Provider retention
Endpoint
/api/v1/chat/completions