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
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
| Model | Intelligence | Context | Input / 1M | Output / 1M |
|---|---|---|---|---|
| Glm 5 Free | 40.6 | 200K | Free | Free |
| Glm 4.5 | 26.4 | — | $0.70 | $2.40 |
| Glm 4.6 | 32.5 | — | $0.45 | $1.65 |
| Glm 4.7 | 42.1 | — | $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 4.5Zai · $0.70 / 1MGlm 4.6Zai · $0.45 / 1MGlm 4.7Zai · $0.70 / 1MGlm 4.7 FlashZai · FreeGlm 4.7 FreeZai · FreeGlm 5Zai · $0.80 / 1MGlm 5.1Zai · $0.80 / 1MGlm 5.2Zai · $1.05 / 1MKimi K2.7 CodeMoonshot · $0.55 / 1MMimo V2.5Xiaomi · $0.35 / 1MMimo V2.5 ProXiaomi · $0.80 / 1MMinimax M2MiniMax · $0.45 / 1M
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.
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Use Glm 5 Free via the API
OpenAI-compatible — point any OpenAI SDK at https://api.airforce/v1 and pass glm-5-free as the model.
cURL
curl https://api.airforce/v1/chat/completions \
-H "Authorization: Bearer $AIRFORCE_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "glm-5-free",
"messages": [{ "role": "user", "content": "Hello!" }]
}'Python
from openai import OpenAI
client = OpenAI(base_url="https://api.airforce/v1", api_key="$AIRFORCE_API_KEY")
r = client.chat.completions.create(
model="glm-5-free",
messages=[{"role": "user", "content": "Hello!"}],
)
print(r.choices[0].message.content)JavaScript
import OpenAI from "openai";
const client = new OpenAI({ baseURL: "https://api.airforce/v1", apiKey: process.env.AIRFORCE_API_KEY });
const r = await client.chat.completions.create({
model: "glm-5-free",
messages: [{ role: "user", content: "Hello!" }],
});
console.log(r.choices[0].message.content);