Perceptron Mk1
by PerceptronReleased May 12, 2026
perceptron/perceptron-mk1- Reads images
- Answers in a JSON schema
- Reasons before it answers
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...
- Input / 1M tokens
- $0.18
- Output / 1M tokens
- $1.80
- Context
- 33K
- Longest answer
- 8K
What it costs
What each call is charged to the token's AI credit.
| Billed for | You pay |
|---|---|
| Input tokens | $0.18 / 1M |
| Output tokens | $1.80 / 1M |
A typical call
A short chat turn: 2,000 tokens in, 500 out.
- per call
- $0.0013
- calls per $20
- 16K
What it can do
From its listing. The router passes every field through.
- Reads imagesYes
- Reads files and PDFsNo
- Hears audioNo
- Calls toolsNo
- Answers in a JSON schemaYes
- Reasons before it answersYes
- Searches the webNo
- Caches long promptsNo
- Draws imagesNo
Call it
Any router key works, in the format your SDK already speaks.
import OpenAI from "openai";const ai = new OpenAI({ baseURL: "https://relayfor.si/api/v1", apiKey: process.env.RELAYFOR_ROUTER_KEY,});const reply = await ai.chat.completions.create({ model: "perceptron/perceptron-mk1", messages: [{ role: "user", content: "Welcome the 1,000th holder in one line." }],});Specifications
What its maker and providers list for it.
- Reads
- Text, Images, and Video
- Writes
- Text
- Context
- 32,768 tokens
- Longest answer
- 8,192 tokens
- Released
- May 12, 2026
- Moderation
- None
Request fields
The fields its providers accept, passed through as you send them.
- frequency_penalty
- include_reasoning
- max_tokens
- presence_penalty
- reasoning
- structured_outputs
- temperature
- top_k
- top_p
Questions
How much does Perceptron Mk1 cost?
$0.18 per million input tokens and $1.80 per million output tokens, paid from the token's AI credit. A call of 2,000 tokens in and 500 out costs about $0.0013.
How do I call Perceptron Mk1?
Make a router key for one of your tokens on the dashboard, point any OpenAI or Anthropic SDK at https://relayfor.si/api/v1 and send the model id perceptron/perceptron-mk1. The token's AI credit pays for each call.
How long a prompt can Perceptron Mk1 take?
Up to 32,768 tokens of context, and up to 8,192 tokens in one answer.
Are my prompts stored?
No. The RFS Router passes each call through and keeps only its token counts and cost, for the token's usage page.
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