--- title: "Is Perceptron Mk1.5 still undominated? · Undominated.ai" canonical: https://undominated.ai/check/perceptron__perceptron-mk1.5/ description: "Perceptron Mk1.5: whether it is still undominated. If anything in this catalogue is both better and cheaper, it is named, as of Oct 6, 2026. Unrated stays unrated." --- # Is Perceptron Mk1.5 still undominated? · Undominated.ai > Perceptron Mk1.5: whether it is still undominated. If anything in this catalogue is both better and cheaper, it is named, as of Oct 6, 2026. Unrated stays unrated. # Is Perceptron Mk1.5 a good deal? Whether anything in this catalogue beats Perceptron Mk1.5 on both quality and price, and what you give up if it does. A computation on the current catalogue, not an opinion. 12 undominated of 145 · Oct 6, 2026 [1 · Choose & set workload](#check-input)[2 · Read verdict](#check-verdict)[3 · Inspect alternatives](#check-options) As of Oct 6, 2026, Perceptron Mk1.5 has no independent quality score. We cannot rank it. Absence of a score is not a score of zero. [Inspect model evidence](/models/perceptron__perceptron-mk1.5/) Current model Perceptron Mk1.5 Balanced 3 tokens in per 1 out Balanced Summarise Chat Code gen Agentic Monthly spend (USD) Used only to say how many months a named switching cost would take to earn back. Leave blank to skip. Switching cost (USD) Perceptron Mk1.5 takes text, image, video, audio, returns up to 8,192 tokens from a 36,864-token context, and is listed by 1 seller. 145 rated, priced standard models. Chartreuse is the frontier. Cobalt is the model you named, when it is not on the staircase. Copy watch URL [Open the frontier](/frontier/) The link keeps the model and mix, using the current catalogue. Monthly spend and switching cost stay in this browser tab and are left out of the link. ## Saved decision references Save the model, workload, catalogue date and capability-preservation rule in this browser. Spend, switching cost and bill contents are not saved. No account or notifications. Constraint: replacements must preserve the model’s capabilities; any losses remain named trade-offs. Historical decisions cannot be fully replayed from saved references: past prices, scores and capability evidence are not stored. Save this reference ## Continue your investigation - [Build a shortlist](/compare/) - [Inspect alternatives](/alternatives/) - [Check billing conditions](/traps/) - [Read model evidence](/models/)