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Head-to-head comparison

Llama 3.1 8B Instruct vs Laguna XS 2.1

Llama 3.1 8B Instruct (Meta) 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, Llama 3.1 8B Instruct holds the stronger ModelCap Index position (#212 vs #213); Llama 3.1 8B Instruct is 1.5× cheaper per output token ($0.08/1M vs $0.12/1M); and Laguna XS 2.1 offers the longer context window (262K vs 131K tokens).

Which should you choose?

Choose Llama 3.1 8B Instruct if…

  • you want the stronger overall ModelCap Index position — #212 against #213 (3.9 vs 3.0 points).
  • API cost matters — $0.08/1M output tokens against $0.12/1M, about 1.5× cheaper.
  • your workload is prompt-heavy — input tokens cost $0.05/1M against $0.06/1M.
  • you want provider choice — 5 listed API providers against 1.

Choose Laguna XS 2.1 if…

  • you need the longer context window — 262K tokens against 131K.
  • you want the more recently listed model — Laguna XS 2.1 was listed 2 July 2026, Llama 3.1 8B Instruct 23 July 2024.

Llama 3.1 8B Instruct vs Laguna XS 2.1: specs, pricing and context

Specification comparison of Llama 3.1 8B Instruct and Laguna XS 2.1
FieldLlama 3.1 8B InstructMetaLaguna XS 2.1Poolside
ModelCap Index position#212#213
Index score3.93.0
EvidenceMeasuredEstimated
Input price / 1M tokens$0.05$0.06
Output price / 1M tokens$0.08$0.12
Context window131K tokens262K tokens
Max output tokens131K33K
API providers listed51
Weight accessGated accessRestricted license
Input modalitiesTextText
First listed23 July 20242 July 2026
PublisherMetaPoolside

Evidence: 2 public benchmark observations across 2 boards · 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: Llama 3.1 8B Instruct vs Laguna XS 2.1

Public benchmark boards where Llama 3.1 8B Instruct or Laguna XS 2.1 has a published result
BoardLlama 3.1 8B InstructLaguna XS 2.1Leads
Arena codingArena (LMArena)12601252–1267—Only one result
BFCL V4UC Berkeley (Gorilla)25.8Prompt—Only one result

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.

Llama 3.1 8B Instruct vs Laguna XS 2.1: common questions

Is Llama 3.1 8B Instruct better than Laguna XS 2.1?

Llama 3.1 8B Instruct ranks higher on the ModelCap Index as of 17 August 2026: #212 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 Llama 3.1 8B Instruct cheaper than Laguna XS 2.1?

Llama 3.1 8B Instruct is cheaper on output tokens: $0.08/1M against $0.12/1M. Input tokens are $0.05/1M for Llama 3.1 8B Instruct 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, Llama 3.1 8B Instruct or Laguna XS 2.1?

Laguna XS 2.1 has the larger context window: 262K tokens against 131K.

Which is better for coding, Llama 3.1 8B Instruct 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 Llama 3.1 8B Instruct and Laguna XS 2.1 open-weight models?

Llama 3.1 8B Instruct: Gated access. 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 Llama 3.1 8B Instruct and Laguna XS 2.1?

ModelCap currently lists 5 API providers for Llama 3.1 8B Instruct 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 Llama 3.1 8B Instruct 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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