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Head-to-head comparison

Laguna S 2.1 vs Laguna XS 2.1

Laguna S 2.1 (Poolside) and Laguna XS 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, Laguna S 2.1 holds the stronger ModelCap Index position (#152 vs #213); Laguna XS 2.1 is 1.5× cheaper per output token ($0.12/1M vs $0.18/1M); and Laguna S 2.1 offers the longer context window (1M vs 262K tokens).

Which should you choose?

Choose Laguna S 2.1 if…

  • you want the stronger overall ModelCap Index position — #152 against #213 (22.5 vs 3.0 points).
  • you need the longer context window — 1M tokens against 262K.
  • you want the more recently listed model — Laguna S 2.1 was listed 21 July 2026, Laguna XS 2.1 2 July 2026.

Choose Laguna XS 2.1 if…

  • API cost matters — $0.12/1M output tokens against $0.18/1M, about 1.5× cheaper.
  • your workload is prompt-heavy — input tokens cost $0.06/1M against $0.09/1M.

Laguna S 2.1 vs Laguna XS 2.1: specs, pricing and context

Specification comparison of Laguna S 2.1 and Laguna XS 2.1
FieldLaguna S 2.1PoolsideLaguna XS 2.1Poolside
ModelCap Index position#152#213
Index score22.53.0
EvidenceEstimatedEstimated
Input price / 1M tokens$0.09$0.06
Output price / 1M tokens$0.18$0.12
Context window1M tokens262K tokens
Max output tokens131K33K
API providers listed11
Weight accessRestricted licenseRestricted license
Input modalitiesTextText
First listed21 July 20262 July 2026
PublisherPoolsidePoolside

Evidence: global corpus prior · leave-one-anchor-out calibrated · placed against measured peers on publisher-reported benchmarks, discounted for self-report optimism. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Laguna S 2.1 vs Laguna XS 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.

Want a different pairing? Open the interactive comparison tool to swap either model for any current ranked language model.

Laguna S 2.1 vs Laguna XS 2.1: common questions

Is Laguna S 2.1 better than Laguna XS 2.1?

Laguna S 2.1 ranks higher on the ModelCap Index as of 17 August 2026: #152 against #213. 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 Laguna S 2.1 cheaper than Laguna XS 2.1?

Laguna XS 2.1 is cheaper on output tokens: $0.12/1M against $0.18/1M. Input tokens are $0.09/1M for Laguna S 2.1 and $0.06/1M for Laguna XS 2.1. Prices are the lowest listed API offer ModelCap observed, in USD per million tokens.

Which has the bigger context window, Laguna S 2.1 or Laguna XS 2.1?

Laguna S 2.1 has the larger context window: 1M tokens against 262K.

Which is better for coding, Laguna S 2.1 or Laguna XS 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 Laguna S 2.1 and Laguna XS 2.1 open-weight models?

Laguna S 2.1: Restricted license. Laguna XS 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 Laguna S 2.1 and Laguna XS 2.1?

ModelCap currently lists 1 API provider for Laguna S 2.1 and 1 for Laguna XS 2.1, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this Laguna S 2.1 vs Laguna XS 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.

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