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OpenKey

Perceptron Mk1

Perceptron AIReleased May 12, 2026

Perceptron Mk1 (Mark One) is Perceptron's highest-quality vision-language model for video and embodied reasoning.** It accepts image and video inputs paired with natural language queries, and produces detailed visual understanding...

Try in playground
Context window
33K tokens
Max output
8K tokens
Input
text, image, video
Output
text
Tokenizer
Other
Released
May 12, 2026
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$0.150$0.0045$0.154
Output$1.50$0.045$1.54

Supported parameters

  • frequency_penalty
  • include_reasoning
  • max_tokens
  • presence_penalty
  • reasoning
  • structured_outputs
  • temperature
  • top_k
  • top_p

Call it

OpenAI-compatible: point your SDK at api.openkey.ai/v1 and use model perceptron/perceptron-mk1.

Code sample language
curl https://api.openkey.ai/v1/chat/completions \
  -H "Authorization: Bearer $OPENKEY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "perceptron/perceptron-mk1",
    "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="perceptron/perceptron-mk1",
    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: "perceptron/perceptron-mk1",
  messages: [{ role: "user", content: "Hello" }],
});
console.log(completion.choices[0].message.content);

Questions

How much does Perceptron Mk1 cost via API?
Through OpenKey, Perceptron Mk1 costs $0.154 per 1M input tokens and $1.54 per 1M output tokens. That is the provider price ($0.150 / $1.50) plus a flat 3% fee — nothing else.
What is Perceptron Mk1's context window?
Perceptron Mk1 accepts up to 33K tokens of context and returns up to 8K tokens per request.
Is Perceptron Mk1 OpenAI-compatible?
Yes. Send requests to OpenKey's /v1/chat/completions endpoint with model "perceptron/perceptron-mk1" using any OpenAI SDK — only the base URL and API key change.
What inputs does Perceptron Mk1 support?
Perceptron Mk1 accepts text, image, video input and produces text output.