Perceptron Mk1.5
Summary
Perceptron Mk1.5 is a language model from Perceptron, released on 25 Sept 2026. It accepts text, images, video and audio and generates text, with a 37K-token context window and up to 8K output tokens per response. As of 4 Oct 2026, the lowest listed API price is $0.15 per million input tokens and $1.50 per million output tokens (OpenRouter), across 1 provider we track.
Perceptron Mk1.5 is Perceptron's embodied reasoning model for physical agents. It accepts text, image, video, and audio input, and answers with text plus optional structured annotations: points, boxes, polygons, tracks,...
Last verified 4 Oct 2026. Every figure on this page links to its source.
Specifications
| Developer | Perceptron |
|---|---|
| Release date | 25 Sept 2026 [OpenRouter] |
| Status | Generally available |
| Context window | 37K (36,864 tokens) [OpenRouter] |
| Max output | 8K tokens [OpenRouter] |
| Input | Text, images, video and audio [OpenRouter] |
| Output | Text [OpenRouter] |
| Reasoning mode | Yes [OpenRouter] |
| Tool calling | Yes [OpenRouter] |
| Structured output | Yes [OpenRouter] |
Perceptron Mk1.5 API pricing by provider
USD per million tokens. Sorted by input price.
| Provider | Input | Output | Cached input | Context | Source |
|---|---|---|---|---|---|
| OpenRouter perceptron/perceptron-mk1.5 | $0.15 | $1.50 | – | 37K | OpenRouter, 4 Oct 2026 |
Frequently asked questions
What is the context window of Perceptron Mk1.5?
Perceptron Mk1.5 has a context window of 36,864 tokens (37K) and can generate up to 8,192 tokens in a single response, according to OpenRouter.
How much does the Perceptron Mk1.5 API cost?
Perceptron Mk1.5 is listed from $0.15 per million input tokens and $1.50 per million output tokens (OpenRouter). Prices last verified 4 Oct 2026.
When was Perceptron Mk1.5 released?
Perceptron released Perceptron Mk1.5 on 25 Sept 2026, according to OpenRouter.
Change history
No changes detected since we started tracking this model. We re-check every source daily.