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Laguna S 2.1

Laguna S 2.1 is Poolside's new open-weight model for agentic coding and long-horizon work.

text → text · made by Poolside

$0.09$0.18per Mtok in / out
Nous Research · 4 sellers

Free

Offered at no charge, which is not the same as cheap: a free lane carries a rate limit and can be withdrawn. The prices above are what you pay when it is not available to you.

Sold by 5 ways

SellerLaneRate
OpenRouter 2 ways$0.09per Mtok in$0.18per Mtok out$0.009per Mtok cached
OpenRouter aggregatorfree$0per Mtok in$0per Mtok outopenrouter.ai · read 2026-09-16
OpenRouter aggregatorstandard$0.09per Mtok in$0.18per Mtok out$0.009per Mtok cachedopenrouter.ai · read 2026-08-24
Nous Research aggregatorstandard$0.09per Mtok in$0.18per Mtok out$0.009per Mtok cachedinference-api.nousresearch.com · read 2026-09-12
ElectronHub aggregatorstandard$0.1per Mtok in$0.2per Mtok outapi.electronhub.ai · read 2026-09-16
Vercel AI Gateway aggregatorstandard$0.1per Mtok in$0.2per Mtok out$0.01per Mtok cachedai-gateway.vercel.sh · read 2026-08-25

About

Laguna S 2.1 — a text model from Poolside, sold by 4 companies from $0.09 in and $0.18 out per million tokens.

It takes text and returns text, with a context window of 1,000,000 tokens. It was published in July 2026. Its sellers say it can reason step by step and call a tool. The catalogue files it under chat. Four companies sell it. The cheapest is $0.09 in and $0.18 out per million tokens at Nous Research. Beside the standard rate there is a separately routed lane.

Every current figure

Maker
Poolside
Register
model
Takes
text
Returns
text
Context
1,000,000 tokens
Longest answer
131,072 tokens
Published
July 2026
Parameters
118 billion
Licence
not read
Sellers
4
Maker's own price
not read
Price
$0.09 in and $0.18 out per million tokens — Nous Research

Known as 1 name

poolside/laguna-s-2.1