GLM-4.7-Flash
A free-to-call (rate-limited) Flash model aimed at hobbyists, prototyping, and light production. The open MIT weights mean you can also self-host it without limits.
At a glance
Released
May 20, 2026
Provider
Zhipu AI
Context window
128,000 tokens
Max output
16,000 tokens
Modalities
Text → text
Knowledge cutoff
December 2025
API model ID
glm-4.7-flashLicense
Open weights (MIT)
Pricing
Free
Free to call on chat.z.ai (rate-limited). The open weights can also be self-hosted at no per-token cost. Compare it in the calculator →
Best use cases
Prototyping
Build and test ideas at no API cost within the rate limits.
Learning
A no-cost entry point for students and new developers.
Light chat
Powers low-volume assistants where free access matters most.
Strengths & limitations
Strengths
- Free to call (rate-limited)
- Open weights
- Decent everyday quality
Limitations
- Rate-limited on the free tier
- Modest reasoning ability
How to test it
- No-code: open chat.z.ai and pick GLM-4.7-Flash from the model switcher — no API key needed.
- Playground: sign in to the Z.ai API console and run prompts in the workbench, then copy the generated code.
- API: create a key in the Z.ai API console and call the API (example below).
curl https://api.z.ai/api/paas/v4/chat/completions \
# OpenAI-compatible endpoint
-H "Authorization: Bearer $API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "glm-4.7-flash",
"messages": [{"role": "user", "content": "Explain tokenization in one paragraph."}]
}'