Perceptron: Perceptron Mk1.5 · fastrouter

Name: Perceptron: Perceptron Mk1.5
Brand: Perceptron
Price: 0.15 USD
Availability: InStock

Perceptron Mk1.5 is Perceptron's multimodal perception model for image, video, and audio understanding with visual grounding, reasoning, and function calling. It accepts text, images, video, and audio (WAV, MP3, FLAC) and returns text, spatial and temporal annotations (points, boxes, polygons, clips, and video tracks), structured JSON or regex-constrained responses, and function calls for the caller to execute. It supports configurable reasoning effort, multiple assets per conversation, optional video soundtrack analysis, and Multilook for independent prompts over a shared context. The context window is 36,864 tokens.

Base model All models on this base All models of the provider to the provider

Input, $/1M $0.15

Output, $/1M $1.50

Cache read $0.0375

Cache write —

Context 36 864

Max output 8 192

Accepts audio, images, text, video

Last checked 04.11.2026 12:00:14 UTC

Source provider's page

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API

OpenAI-compatible API: the official OpenAI SDKs work with this base URL. Replace YOUR_API_KEY with your key from the provider.

API base URL	`https://go.fastrouter.ai/api/v1`
Endpoint	`https://go.fastrouter.ai/api/v1/chat/completions`
Model id	`perceptron/perceptron-mk1.5`

curl

curl https://go.fastrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "perceptron/perceptron-mk1.5", "messages": [{"role": "user", "content": "Hello!"}], "max_tokens": 256}'

Python

import requests

r = requests.post(
    "https://go.fastrouter.ai/api/v1/chat/completions",
    headers={"Authorization": "Bearer YOUR_API_KEY"},
    json={
      "model": "perceptron/perceptron-mk1.5",
      "messages": [
        {
          "role": "user",
          "content": "Hello!"
        }
      ],
      "max_tokens": 256
    },
)
print(r.json())

JavaScript

const r = await fetch("https://go.fastrouter.ai/api/v1/chat/completions", {
  method: "POST",
  headers: {Authorization: "Bearer YOUR_API_KEY", "Content-Type": "application/json"},
  body: JSON.stringify({
    "model": "perceptron/perceptron-mk1.5",
    "messages": [
      {
        "role": "user",
        "content": "Hello!"
      }
    ],
    "max_tokens": 256
  }),
});
console.log(await r.json());

Request (JSON)

{
  "model": "perceptron/perceptron-mk1.5",
  "messages": [
    {
      "role": "user",
      "content": "Hello!"
    }
  ],
  "max_tokens": 256
}

Response (JSON)

{
  "id": "chatcmpl-...",
  "object": "chat.completion",
  "model": "perceptron/perceptron-mk1.5",
  "choices": [
    {
      "index": 0,
      "message": {
        "role": "assistant",
        "content": "Hi! How can I help?"
      },
      "finish_reason": "stop"
    }
  ],
  "usage": {
    "prompt_tokens": 9,
    "completion_tokens": 12,
    "total_tokens": 21
  }
}

The address is taken from the provider's model list; check it against the provider's documentation.

Provider's API documentation

Source: AI Rate Card, https://airatecard.com/en/c/offer%3Afastrouter%7Cperceptron/perceptron-mk1.5, prices checked 2026-11-04; seller's page: https://fastrouter.ai

Technical details

ID: offer:fastrouter|perceptron/perceptron-mk1.5