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
Supported Parameters
This model supports the following parameters:
Features
This model supports the following features:
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 |
|---|
Other Models by poolside
|
|
Released | Params | Context |
|
Speed | Ability | Cost |
|---|---|---|---|---|---|---|---|
| Poolside: Laguna XS 2.1 (free) | Jul 02, 2026 | ~33B | 262K |
Text input
Text output
|
★★★ | ★★★★ | $$ |
| Poolside: Laguna XS.2 Unavailable | Apr 28, 2026 | — | 262K |
Text input
Text output
|
★★★ | ★★★ | $$$ |
| Poolside: Laguna M.1 (free) | Apr 28, 2026 | — | 262K |
Text input
Text output
|
★★ | ★★★ | $$$$ |