Poolside: Laguna S 2.1 (free)

Text input Text output
Author's Description

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...

Key Specifications
Cost
$$$
Context
1M
Parameters
118B (Rumoured)
Released
Jul 21, 2026
Speed
Ability
Reliability
Supported Parameters

This model supports the following parameters:

Stop Include Reasoning Max Tokens Tools Tool Choice Reasoning Temperature
Features

This model supports the following features:

Tools Reasoning
Performance Summary

Poolside's Laguna S 2.1, a 118B total parameter model with 8B active parameters, demonstrates competitive response times, ranking in the 55th percentile across benchmarks. It typically offers cost-effective solutions, placing in the 70th percentile for pricing. Notably, the model exhibits strong reliability with a 95% success rate, indicating consistent and usable responses. In terms of performance across categories, Laguna S 2.1 shows particular strength in Classification, achieving 98.0% accuracy in Email Classification, making it the most accurate among models of comparable speed. It also performs well in Reasoning (90.0% accuracy) and General Knowledge (98.5% accuracy), indicating robust analytical and factual recall capabilities. Instruction Following is solid at 62.0% accuracy. However, a notable weakness appears in its Coding performance, where despite 85.0% accuracy, its duration is significantly longer (4004030ms), placing it in the 10th percentile for speed in this category. Hallucinations are relatively low at 90.0% accuracy, though this places it in the 36th percentile. Ethics performance is also a weaker area, with 83.0% accuracy ranking in the 17th percentile.

Model Pricing

Current Pricing

Feature Price (per 1M tokens)
Prompt $0.1
Completion $0.2
Input Cache Read $0.01

Price History

Available Endpoints
Provider Endpoint Name Context Length Pricing (Input) Pricing (Output)
Poolside
Poolside | poolside/laguna-s-2.1-20260720 1M $0.1 / 1M tokens $0.2 / 1M tokens
Benchmark Results
Benchmark Category Reasoning Strategy Free Executions Accuracy Cost Duration
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