ZaiFree

Glm 5 Free

API model name: glm-5-free

Glm 5 Free is Zai's chat model, served on the Api.Airforce unified API. It has a 200K-token context window. Beyond text, it accepts image as input. Capabilities include Vision, Tool calling. It is available on the free tier at no per-token cost. Knowledge cutoff: 2025-10. Access it through the OpenAI-compatible API with one key, alongside 100+ other models on Api.Airforce.

Pricing

Input / 1M tokens
Free
Output / 1M tokens
Free

Specifications

Provider
Zai
Type
chat model
Context window
200K tokens
Max output
16K tokens
Knowledge cutoff
2025-10
Input
text, image
Output
text

Capabilities

VisionTool callingStreaming

Benchmarks

Independent evaluations and measured speed from Artificial Analysis.

Intelligence Index
40.6/100
Coding Index
39.0/100
GPQA Diamond67%
Humanity's Last Exam7%
Output speed67.0 tok/s
Time to first token1.23 s

Source: Benchmark data by Artificial Analysis (artificialanalysis.ai)

What is Glm 5 Free used for?

  • Chatbots & assistants — conversational AI, drafting, summarizing and Q&A.
  • Image understanding — analyze photos, screenshots, charts and scanned documents.
  • Agents & automation — function calling and tool use for multi-step workflows.
  • Long-context tasks — process entire documents or codebases in a single prompt.
  • Real-time experiences — stream tokens for responsive chat and apps.

Glm 5 Free vs. similar models

ModelIntelligenceContextInput / 1MOutput / 1M
Glm 5 Free40.6200KFreeFree
Glm 4.526.4$0.70$2.40
Glm 4.632.5$0.45$1.65
Glm 4.742.1$0.70$2.40

Prices are Api.Airforce pay-as-you-go rates per 1M tokens. Context is the maximum input length.

Related models

Glm 5 Free — frequently asked questions

How much does Glm 5 Free cost?
Glm 5 Free is available on the free tier at no token cost — create an API key and start building. Paid plans add higher rate limits.
What is the context window of Glm 5 Free?
Glm 5 Free supports a context window of up to 200K tokens. It can return up to 16K tokens in a single response.
What can Glm 5 Free do?
Glm 5 Free supports Vision, Tool calling.
Is Glm 5 Free free to use?
Yes — Glm 5 Free is on the free tier. You can use it with an Api.Airforce API key at no cost.
How do I use Glm 5 Free via the API?
Glm 5 Free is OpenAI-compatible. Point any OpenAI SDK at https://api.airforce/v1 and pass the model ID glm-5-free with your Api.Airforce API key.
Who makes Glm 5 Free?
Glm 5 Free is Zai's chat model, served through the unified Api.Airforce gateway alongside 100+ other models.