Grok Code Fast 1 vs Laguna XS 2.1
Grok Code Fast 1 and Laguna XS 2.1 are closely matched at 20.7 and 24.3 on the LLM Stats Score. Laguna XS 2.1 is 4.2x cheaper per token.
xAI · Poolside · Updated for 2026
Which is better?
Grok Code Fast 1 and Laguna XS 2.1 are closely matched on the overall LLM Stats Score at 20.7 and 24.3.
In the 1 individual benchmarks reported for both models, Laguna XS 2.1 wins 1; this is a narrower head-to-head signal than the composite indexes.
On price, Laguna XS 2.1 is roughly 4.2x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Laguna XS 2.1 also accepts a larger context window (262,144 input tokens), making it the stronger choice for long documents and large codebases.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Grok Code Fast 1
- you want predictable pricing at $0.20/M input and $1.50/M output
Choose Laguna XS 2.1
- you value its reported benchmark strengths — it wins 1 of 1 exact shared results
- cost matters — it's about 4.2x cheaper per token
- you process long inputs — it offers a 262,144 token context window
- you want the most recent training data — it shipped Jul 2026
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Individual benchmarks
1 reported for Grok Code Fast 1 · 4 for Laguna XS 2.1
Grok Code Fast 1 outperforms in 0 benchmarks, while Laguna XS 2.1 is better at 1 benchmark (SWE-Bench Verified).
Laguna XS 2.1 significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Grok Code Fast 1 ($0.20/1M tokens) is 2.0x more expensive than Laguna XS 2.1 ($0.10/1M tokens).
For output processing, Grok Code Fast 1 ($1.50/1M tokens) is 7.5x more expensive than Laguna XS 2.1 ($0.20/1M tokens).
In conclusion, Grok Code Fast 1 is more expensive than Laguna XS 2.1.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Laguna XS 2.1 accepts 262,144 input tokens compared to Grok Code Fast 1's 256,000 tokens. Only Grok Code Fast 1 specifies output context (10,000 tokens).
License
Usage and distribution terms
Grok Code Fast 1 is licensed under a proprietary license, while Laguna XS 2.1 uses OpenMDW License v1.1.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
OpenMDW License v1.1
Open weights
Release Timeline
When each model was launched
Grok Code Fast 1 was released on 2025-08-28, while Laguna XS 2.1 was released on 2026-07-02.
Laguna XS 2.1 is 10 months newer than Grok Code Fast 1.
Aug 28, 2025
1.1 years ago
Jul 2, 2026
3 months ago
10mo newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Grok Code Fast 1 is available from xAI. Laguna XS 2.1 is available from Poolside.
Grok Code Fast 1
Laguna XS 2.1
Outputs Comparison
Judge for yourself.
Run your own prompts against Grok Code Fast 1 and Laguna XS 2.1 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Grok Code Fast 1 vs Laguna XS 2.1.