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Perceptron: Perceptron Mk1.5 API Pricing

Perceptron: Perceptron Mk1.5 costs $0.150 per 1M input tokens and $1.50 per 1M output tokens. Context window: 37K. Prices verified 2026-10-21 · source

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Price history
2026-09-26 → 2026-10-21 · 59 daily snapshots
inputoutput

Rebuilt daily from our snapshot archive — the chart appears once a model has 5+ snapshots of history.

Pricing behavior
Stable — no price moves across our 59 daily snapshots (2026-08-23 → 2026-10-21).

From our own daily snapshot archive — independent of provider announcements.

Input / 1M tokens
$0.150
Output / 1M tokens
$1.50
Context window
37K
Max output
8K
Reasoning behavior
Mode: Off by default (opt-in)
Effort levels:highmediumlowminimalnone

Higher effort = deeper thinking = more reasoning tokens billed as output.

What would Perceptron: Perceptron Mk1.5 cost you per month?

WorkloadRequests/moAvg tokens (in/out)Est. monthly cost
Light chatbot10,000800 / 400$7.20
Coding agent5,0008,000 / 2,000$21.00
RAG pipeline30,0004,000 / 500$40.50
Doc summarizer2,00020,000 / 1,000$9.00

Estimates use list prices without prompt caching. Caching can cut input cost by up to 90% on repeated context.

About Perceptron: Perceptron Mk1.5

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,...

Compare Perceptron: Perceptron Mk1.5 with

Popular head-to-heads — see all on the comparisons index.

Frequently asked questions

How much does Perceptron: Perceptron Mk1.5 cost?

Perceptron: Perceptron Mk1.5 costs $0.150 per 1M input tokens and $1.50 per 1M output tokens. Verified 2026-10-21 — provider source.

What is the context window?

37K tokens, with up to 8K output tokens per response. That's roughly 46 pages of text in a single request.

Does it support prompt caching?

Prompt-caching pricing is not published for this model via OpenRouter.

What's a cheaper alternative?

ScaleDown: Summarize saves about 95% on a typical workload with comparable quality.

Official resources