# Perceptron — Introducing Perceptron Mk1.5

- Company: Perceptron (perceptron.inc)
- Announced: 2026-09-25
- Category: new-model
- Coverage: not counted
- Announcement: yes
- Group: models
- Source: https://www.perceptron.inc/blog/introducing-perceptron-mk1-5
- Record: https://forck.live/items/18607-introducing-perceptron-mk1-5
- Subject: Perceptron Isaac / Perceptron Mk1
- Models affected: Perceptron Mk1.5
- Context window: 32K tokens of multimodal context
- Pricing: $0.15/M input tokens | $1.50/M output tokens

Perceptron released Mk1.5, a model for controlling embodied agents that adds native audio support, video object tracking, tool use, and sub-agent calls. It achieves ~2-5x faster inference than prior models and leads three video object segmentation benchmarks. Mk1.5 is available via the Perceptron Platform and updated SDK at $0.15/M input tokens and $1.50/M output tokens.

## Evidence

Verbatim from https://www.perceptron.inc/blog/introducing-perceptron-mk1-5:

> Mk1.5 is our most performant public model and it adds net-new capabilities to the Perceptron model family: native audio support, video tracking, web search, sub-agent calls, and more complex visual reasoning.

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