Perceptron Mk1 (Perceptron) and Laguna S 2.1 (Poolside) compared on the ModelCap Index, API price, context window, provider availability, weight access and every public benchmark board they share. Figures are the same ones shown on the live rankings; nothing here is a hidden score.
Snapshot as of 17 August 2026
As of 17 August 2026, Perceptron Mk1 holds the stronger ModelCap Index position (#151 vs #152); Laguna S 2.1 is 8.3× cheaper per output token ($0.18/1M vs $1.50/1M); and Laguna S 2.1 offers the longer context window (1M vs 33K tokens).
Evidence: global corpus prior · leave-one-anchor-out calibrated · global corpus prior · leave-one-anchor-out calibrated. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.
Benchmark scores: Perceptron Mk1 vs Laguna S 2.1
Neither model has a published result on a public benchmark board ModelCap tracks yet.
Scores are the sources' own published figures for each model's best evaluated configuration; ModelCap never re-runs a benchmark.
Perceptron Mk1 ranks higher on the ModelCap Index as of 17 August 2026: #151 against #152. That is a capability ranking built from public benchmark evidence with published uncertainty; whether it is "better" for you also depends on price, context and where you can run it.
Is Perceptron Mk1 cheaper than Laguna S 2.1?
Laguna S 2.1 is cheaper on output tokens: $0.18/1M against $1.50/1M. Input tokens are $0.15/1M for Perceptron Mk1 and $0.09/1M for Laguna S 2.1. Prices are the lowest listed API offer ModelCap observed, in USD per million tokens.
Which has the bigger context window, Perceptron Mk1 or Laguna S 2.1?
Laguna S 2.1 has the larger context window: 1M tokens against 33K.
Which is better for coding, Perceptron Mk1 or Laguna S 2.1?
The two models do not share a coding benchmark board on ModelCap yet, so no head-to-head coding score is published; the ModelCap Index position is the closest overall signal.
Are Perceptron Mk1 and Laguna S 2.1 open-weight models?
Perceptron Mk1: API only. Laguna S 2.1: Restricted license. Open weights mean the checkpoint can be downloaded and self-hosted under its licence; API-only models are available solely through hosted endpoints.
Where can I run Perceptron Mk1 and Laguna S 2.1?
ModelCap currently lists 1 API provider for Perceptron Mk1 and 1 for Laguna S 2.1, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.
How current is this Perceptron Mk1 vs Laguna S 2.1 comparison?
Every figure comes from the sealed ModelCap dataset published 17 August 2026; the page re-renders within a minute of each data refresh, and the ModelCap Index positions are the same ones shown on the live rankings.