Laguna XS 2.1 (Poolside) and Reka Flash 3 (Reka) 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 18 August 2026
As of 18 August 2026, Laguna XS 2.1 holds the stronger ModelCap Index position (#205 vs #226); Laguna XS 2.1 is 1.7× cheaper per output token ($0.12/1M vs $0.20/1M); Laguna XS 2.1 offers the longer context window (262K vs 66K tokens); and Reka Flash 3 ships open weights.
Evidence: placed against measured peers on publisher-reported benchmarks, discounted for self-report optimism · 1 public benchmark observation across 1 board. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.
Benchmark scores: Laguna XS 2.1 vs Reka Flash 3
Public benchmark boards where Laguna XS 2.1 or Reka Flash 3 has a published result
Laguna XS 2.1 ranks higher on the ModelCap Index as of 18 August 2026: #205 against #226. 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 XS 2.1 cheaper than Reka Flash 3?
Laguna XS 2.1 is cheaper on output tokens: $0.12/1M against $0.20/1M. Input tokens are $0.06/1M for Laguna XS 2.1 and $0.10/1M for Reka Flash 3. Prices are the lowest listed API offer ModelCap observed, in USD per million tokens.
Which has the bigger context window, Laguna XS 2.1 or Reka Flash 3?
Laguna XS 2.1 has the larger context window: 262K tokens against 66K.
Which is better for coding, Laguna XS 2.1 or Reka Flash 3?
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 XS 2.1 and Reka Flash 3 open-weight models?
Laguna XS 2.1: Restricted license. Reka Flash 3: Open weights. 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 XS 2.1 and Reka Flash 3?
ModelCap currently lists 1 API provider for Laguna XS 2.1 and 1 for Reka Flash 3, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.
How current is this Laguna XS 2.1 vs Reka Flash 3 comparison?
Every figure comes from the sealed ModelCap dataset published 18 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.