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...
Model details →Poolside: Laguna S 2.1 (free) vs Anthropic Claude Sonnet Latest
Poolside: Laguna S 2.1 (free) and Anthropic Claude Sonnet Latest are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
This model always redirects to the latest model in the Anthropic Claude Sonnet family.
Model details →Side-by-side comparison
| Capability | Poolside: Laguna S 2.1 (free) | Anthropic Claude Sonnet Latest | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 262K | 1M | 🏆 Anthropic Claude Sonnet Latest |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.00 | $2.00 | 🏆 Poolside: Laguna S 2.1 (free) |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.00 | $10.00 | 🏆 Poolside: Laguna S 2.1 (free) |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | — | Yes | 🏆 Anthropic Claude Sonnet Latest |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is Poolside: Laguna S 2.1 (free) better than Anthropic Claude Sonnet Latest?
Poolside: Laguna S 2.1 (free) and Anthropic Claude Sonnet Latest are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
What's the price difference between Poolside: Laguna S 2.1 (free) and Anthropic Claude Sonnet Latest?
Input: $0.00 vs $2.00 per 1M tokens. Output: $0.00 vs $10.00 per 1M tokens.
What context windows do Poolside: Laguna S 2.1 (free) and Anthropic Claude Sonnet Latest support?
Poolside: Laguna S 2.1 (free) supports up to 262K tokens. Anthropic Claude Sonnet Latest supports up to 1M tokens.
Do both Poolside: Laguna S 2.1 (free) and Anthropic Claude Sonnet Latest support tool calling?
Poolside: Laguna S 2.1 (free): yes. Anthropic Claude Sonnet Latest: yes.
Compare Poolside: Laguna S 2.1 (free) with other models
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