Poolside: Laguna XS 2.1 (free)
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...
Anyone in the Space can @-mention Poolside: Laguna XS 2.1 (free) with the team's shared context - pooled credits, one chat, one memory.
Starter is free forever - 1 Space, 100 credits/month, 1 MCP. No card.
Verdict
Best for
- Exploring large codebases without API costs
- Prototyping code generation workflows
- Teaching or learning environments
- Cost-capped automation experiments
Strengths
The 262K context window handles entire repositories in a single prompt, and zero pricing removes friction for experimentation. Poolside built this specifically for code, so it understands syntax and structure better than general-purpose models. The free tier has no usage caps listed, making it viable for high-volume prototyping or educational use cases where budget is the primary constraint.
Trade-offs
No public benchmarks means you can't compare it to Codestral, Claude, or DeepSeek Coder on HumanEval or MBPP. Proprietary license limits transparency into training data or model architecture. Free models often deprioritize latency and uptime, so expect slower responses or occasional availability issues. Code quality likely trails paid alternatives—fine for drafts, risky for production.
Specifications
- Provider
- poolside
- Category
- llm
- Context length
- 262,144 tokens
- Max output
- 32,768 tokens
- Modalities
- text
- License
- proprietary
- Released
- 2026-07-02
Pricing
- Input
- $0.00/Mtok
- Output
- $0.00/Mtok
- Model ID
poolside/laguna-xs-2.1:free
Per-token prices show what the model costs upstream. On Switchy your team draws from one shared org credit pool - one plan, one balance for everyone.
Team cost calculator
5 seats · 80 msgs/day
Switchy meters this against your org's shared credit pool - one plan, one balance for everyone.
Providers
| Provider | Context | Input | Output | P50 latency | Throughput | 30d uptime |
|---|---|---|---|---|---|---|
| poolside | 262k | $0.00/Mtok | $0.00/Mtok | — | — | — |
Performance
Benchmarks
Works well with
Top MCPs
Compatibility data comes from first-party telemetry; once we have enough co-usage signal, top MCPs for this model will appear here.
How Switchy teams use it
Starter prompts
Explain Codebase Architecture
Here's the contents of my project's src/ directory. Explain the overall architecture, how the modules connect, and where the main entry points are.Open in a Space →
Generate Boilerplate Code
Generate a FastAPI router with CRUD endpoints for a 'users' resource. Include Pydantic models, path operations, and basic error handling.Open in a Space →
Refactor Legacy Function
Here's a 200-line function that does too much. Refactor it into smaller, testable functions with clear responsibilities.Open in a Space →
Debug Stack Trace
I'm getting this stack trace when running my Node.js app. Explain what's failing and suggest a fix.Open in a Space →
Write Unit Tests
Here's a function that parses CSV files. Write Jest unit tests covering normal cases, edge cases, and error conditions.Open in a Space →