DeepSeek-V4.1-Flash vs Laguna XS 2.1
DeepSeek-V4.1-Flash leads the LLM Stats Score 51.5 to 24.4. Laguna XS 2.1 is 2.6x cheaper per token.
DeepSeek · Poolside · Updated for 2026
Which is better?
DeepSeek-V4.1-Flash leads the overall LLM Stats Score 51.5 to 24.4, ranking #13 overall.
On price, Laguna XS 2.1 is roughly 2.6x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
DeepSeek-V4.1-Flash also accepts a larger context window (1,040,000 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 DeepSeek-V4.1-Flash
- overall performance matters — it scores 51.5 and ranks #13 on LLM Stats
- your work emphasizes reasoning and coding — it leads those capability indexes
- you process long inputs — it offers a 1,040,000 token context window
- you want the most recent training data — it shipped Sep 2026
Choose Laguna XS 2.1
- cost matters — it's about 2.6x cheaper per token
At a glance
The differences that matter most.
Individual benchmarks
20 reported for DeepSeek-V4.1-Flash · 4 for Laguna XS 2.1
DeepSeek-V4.1-Flash and Laguna XS 2.1don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, DeepSeek-V4.1-Flash ($0.22/1M tokens) is 2.2x more expensive than Laguna XS 2.1 ($0.10/1M tokens).
For output processing, DeepSeek-V4.1-Flash ($0.66/1M tokens) is 3.3x more expensive than Laguna XS 2.1 ($0.20/1M tokens).
In conclusion, DeepSeek-V4.1-Flash is more expensive than Laguna XS 2.1.*
* Using a 3:1 ratio of input to output tokens
Model Size
Parameter count comparison
DeepSeek-V4.1-Flash has 730.2B more parameters than Laguna XS 2.1, making it 2212.7% larger.
Context Window
Maximum input and output token capacity
DeepSeek-V4.1-Flash accepts 1,040,000 input tokens compared to Laguna XS 2.1's 262,144 tokens. Only DeepSeek-V4.1-Flash specifies output context (393,216 tokens).
Input capabilities
Documented input modalities across available providers
DeepSeek-V4.1-Flash supports multimodal inputs, whereas Laguna XS 2.1 does not.
DeepSeek-V4.1-Flash can handle both text and other forms of data like images, making it suitable for multimodal applications.
DeepSeek-V4.1-Flash
Laguna XS 2.1
License
Usage and distribution terms
DeepSeek-V4.1-Flash is licensed under MIT, 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.
MIT
Open weights
OpenMDW License v1.1
Open weights
Release Timeline
When each model was launched
DeepSeek-V4.1-Flash was released on 2026-09-10, while Laguna XS 2.1 was released on 2026-07-02.
DeepSeek-V4.1-Flash is 2 months newer than Laguna XS 2.1.
Sep 10, 2026
1 weeks ago
2mo newerJul 2, 2026
2 months ago
Knowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
DeepSeek-V4.1-Flash is available from Fireworks, DeepInfra, DeepSeek, Novita. Laguna XS 2.1 is available from Poolside.
DeepSeek-V4.1-Flash
Laguna XS 2.1
Outputs Comparison
Judge for yourself.
Run your own prompts against DeepSeek-V4.1-Flash and Laguna XS 2.1 side-by-side, then vote on the output you prefer.
FAQ
Common questions about DeepSeek-V4.1-Flash vs Laguna XS 2.1.