Poolside

Laguna XS 2.1

PoolsideCompact
ThinkingTool Use

About this model

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...

Performance Tier

Compact

Laguna XS 2.1 is a compact model from Poolside : optimized for speed and affordability.

Small, fast, and affordable. Optimized for speed and low cost, great for high-volume or simple tasks.

Pricing

This model is included in Elosia plans
Eco

Minimal cost. Ideal for very high volume or simple tasks.

Typeper 1M tokens
Input (prompt)$0.060
Output (completion)$0.120
Cache read$0.030

Capabilities

Context Length262K
Max Output Tokens33K
TokenizerOther
Inputtext
Outputtext
Release DateJuly 2, 2026

Benchmarks

General Intelligence
MMLU
Not reported
Mathematics
MATH-500
Not reported
Programming
HumanEval
Not reported
SWE-bench Verified
70.9%
SWE-bench Multilingual
63.1%
Agentic
SWE-bench Pro
47.6%
Terminal-Bench 2.0
37.5%

Where does Laguna XS 2.1 stand?

Compare its performance index against every other model.

View the performance leaderboard

Recommended Use Cases

Coding

Strengths

  • Compact Mixture-of-Experts (33B total / 3B active) for local agentic coding
  • Strong code performance for its size (SWE-bench Verified 70.9%, SWE-bench Pro 47.6%)
  • Improved multilingual code (SWE-bench Multilingual 63.1%, up 5.4 points over XS.2)
  • Open weights under Apache 2.0, runs on a local machine, 256K-token context

Limitations

  • Code specialist: no published general-knowledge or math benchmarks
  • Benchmarks are self-reported by Poolside (Harbor framework)

Frequently asked questions

Resources

This model may use your data for training

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