LLM Perks

GLM 4 1v Thinking Flash

Z.ai (Zhipu AI) · All GLM models
Free right now Mid-size New
ReasoningTool useOpen weights

GLM 4 1v Thinking Flash is a language model from Z.ai (Zhipu AI). It is currently free at 1 provider with up to 66K tokens of context. The model supports step-by-step reasoning, supports tool calling. Its weights are open, so it can also run locally.

Developer
Z.ai (Zhipu AI)
Context
66K tokens
Type
Text
License
Open weights
Free since
November 8, 2026

Where to use GLM 4 1v Thinking Flash for free

Each row is a separate free endpoint with its own limits.

ProviderContextLimitCard
UnoRouter
glm-4.1v-thinking-flash:free
66K No-card free models use shared capacity and per-model limits; availability can change. No Open

Quick start

curl https://api.unorouter.com/v1/chat/completions \
  -H "Authorization: Bearer $UNOROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "glm-4.1v-thinking-flash:free",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Example for UnoRouter. Any OpenAI-compatible client works: Cursor, Cline, OpenCode, Open WebUI.

Benchmarks

This model is not on the Artificial Analysis leaderboard yet. We do not publish our own estimates.

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FAQ

Is GLM 4 1v Thinking Flash free?

Yes. As of November 8, 2026, GLM 4 1v Thinking Flash is free at UnoRouter. Each provider has its own limits — see the table above.

What is the context window of GLM 4 1v Thinking Flash?

The largest context among free routes is 65,536 tokens. Some providers cap it lower.

How do I call GLM 4 1v Thinking Flash via API?

Use any OpenAI-compatible client with base URL https://api.unorouter.com/v1, model ID glm-4.1v-thinking-flash:free, and a UnoRouter key.

Is GLM 4 1v Thinking Flash open-weight?

Yes, the weights are published — you can download and run it locally, for example with Ollama or LM Studio.