Laguna XS 2.1 is the latest coding agent model in the 33B-A3B category from [Poolside](https://poolside.ai/) and a step forward from their Laguna XS.2 model (released in April 2026). It combines...
Model details →Poolside: Laguna XS 2.1 (free) vs Anthropic: Claude Fable Latest
Poolside: Laguna XS 2.1 (free) and Anthropic: Claude Fable 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 Claude Fable family.
Model details →Side-by-side comparison
| Capability | Poolside: Laguna XS 2.1 (free) | Anthropic: Claude Fable Latest | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 262K | 1M | 🏆 Anthropic: Claude Fable Latest |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.00 | $10.00 | 🏆 Poolside: Laguna XS 2.1 (free) |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.00 | $50.00 | 🏆 Poolside: Laguna XS 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 Fable Latest |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is Poolside: Laguna XS 2.1 (free) better than Anthropic: Claude Fable Latest?
Poolside: Laguna XS 2.1 (free) and Anthropic: Claude Fable 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 XS 2.1 (free) and Anthropic: Claude Fable Latest?
Input: $0.00 vs $10.00 per 1M tokens. Output: $0.00 vs $50.00 per 1M tokens.
What context windows do Poolside: Laguna XS 2.1 (free) and Anthropic: Claude Fable Latest support?
Poolside: Laguna XS 2.1 (free) supports up to 262K tokens. Anthropic: Claude Fable Latest supports up to 1M tokens.
Do both Poolside: Laguna XS 2.1 (free) and Anthropic: Claude Fable Latest support tool calling?
Poolside: Laguna XS 2.1 (free): yes. Anthropic: Claude Fable Latest: yes.
Compare Poolside: Laguna XS 2.1 (free) with other models
vs Anthropic Claude Haiku Latestvs Anthropic Claude Sonnet Latestvs Anthropic: Claude Fable Latestvs Anthropic: Claude Opus Latest