Is Perceptron: Perceptron Mk1 or GPT-5.1 cheaper?

Perceptron: Perceptron Mk1 is cheaper on output tokens ($1.50 vs $9.00 per 1M).

Which has the larger context window, Perceptron: Perceptron Mk1 or GPT-5.1?

GPT-5.1 has the larger context window (400K tokens).

Perceptron: Perceptron Mk1 vs GPT-5.1

Perceptron: Perceptron Mk1 is cheaper on output tokens, while GPT-5.1 offers a larger context window. Choose Perceptron: Perceptron Mk1 or GPT-5.1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Perceptron: Perceptron Mk1	GPT-5.1
Provider	Perceptron	Poe
Input / 1M tokens	$0.15	$1.10
Output / 1M tokens	$1.50	$9.00
Context window	33K	400K
Parameters	—	—
Open weights	—	No
Released	—	Nov 2025

Perceptron: Perceptron Mk1 details →GPT-5.1 details →

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.