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Poolside: Laguna S 2.1.

text closed 1M ctx
Cheapest input
$0.1/M
on OpenRouter
Cheapest output
$0.2/M
on OpenRouter
Hosted equiv.
~$0.07/hr
@ 100 tok/s on OpenRouter

Laguna S 2.1 is the latest coding agent model from [Poolside](<https://poolside.ai/>). Laguna S 2.1 is a 118B total parameter model with 8B active parameters, scoring 70.2% on Terminal-Bench 2.1 and...

Hosted API only

No self-host path — closed weights.

Poolside: Laguna S 2.1's weights aren't published. Use it via the access providers below.

Where to use it

Cheapest hosted endpoints.

Provider Access $/M in $/M out
OpenRouter api aggregator $0.1 $0.2 Launch ↗
FAQ

Frequently asked.

How do I run Poolside: Laguna S 2.1?
Poolside: Laguna S 2.1 is a closed-source API model. The cheapest way to access it is through the API providers listed on this page (direct API, aggregators, and hosted chat UIs).
Where can I access Poolside: Laguna S 2.1?
Poolside: Laguna S 2.1 is available via OpenRouter. Each access option lists its own pricing (per million tokens or hourly hosting).
How much does it cost to run Poolside: Laguna S 2.1?
API pricing starts at $0.1/M input tokens and $0.2/M output tokens. Self-hosting cost depends on the GPU you rent — see the Run It Yourself tab.
Is Poolside: Laguna S 2.1 open-source or proprietary?
Poolside: Laguna S 2.1 is a proprietary model from Poolside. Access is API-only — there are no public weights to download.