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OpenKey

GLM 4.6V

Z.aiReleased Dec 8, 2025

GLM-4.6V is a large multimodal model designed for high-fidelity visual understanding and long-context reasoning across images, documents, and mixed media. It supports up to 128K tokens, processes complex page layouts...

Try in playground
Context window
131K tokens
Max output
33K tokens
Input
image, text, video
Output
text
Tokenizer
Other
Released
Dec 8, 2025
Reasoning
optional

Pricing

Per 1M tokens. The provider price and our flat 3% fee are separate columns — what you pay is their sum.

Per 1M tokensProvider+ 3% feeYou pay
Input$0.300$0.0090$0.309
Output$0.900$0.027$0.927
Cache read$0.055$0.0016$0.057

Supported parameters

  • frequency_penalty
  • include_reasoning
  • max_tokens
  • presence_penalty
  • reasoning
  • repetition_penalty
  • response_format
  • seed
  • stop
  • temperature
  • tool_choice
  • tools
  • top_k
  • top_p

Call it

OpenAI-compatible: point your SDK at api.openkey.ai/v1 and use model z-ai/glm-4.6v.

Code sample language
curl https://api.openkey.ai/v1/chat/completions \
  -H "Authorization: Bearer $OPENKEY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "z-ai/glm-4.6v",
    "messages": [{"role": "user", "content": "Hello"}]
  }'
import os
from openai import OpenAI

client = OpenAI(
    base_url="https://api.openkey.ai/v1",
    api_key=os.environ["OPENKEY_API_KEY"],
)

completion = client.chat.completions.create(
    model="z-ai/glm-4.6v",
    messages=[{"role": "user", "content": "Hello"}],
)
print(completion.choices[0].message.content)
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api.openkey.ai/v1",
  apiKey: process.env.OPENKEY_API_KEY,
});

const completion = await client.chat.completions.create({
  model: "z-ai/glm-4.6v",
  messages: [{ role: "user", content: "Hello" }],
});
console.log(completion.choices[0].message.content);

Questions

How much does GLM 4.6V cost via API?
Through OpenKey, GLM 4.6V costs $0.309 per 1M input tokens and $0.927 per 1M output tokens. That is the provider price ($0.300 / $0.900) plus a flat 3% fee — nothing else.
What is GLM 4.6V's context window?
GLM 4.6V accepts up to 131K tokens of context and returns up to 33K tokens per request.
Is GLM 4.6V OpenAI-compatible?
Yes. Send requests to OpenKey's /v1/chat/completions endpoint with model "z-ai/glm-4.6v" using any OpenAI SDK — only the base URL and API key change.
What inputs does GLM 4.6V support?
GLM 4.6V accepts image, text, video input and produces text output.

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