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Laguna S 2.1 vs Sakana Namazu

Laguna S 2.1 and Sakana Namazu are closely matched at 41.4 and 43.2 on the LLM Stats Score. Laguna S 2.1 is 13.7x cheaper per token.

Poolside · Sakana AI · Updated for 2026

Which is better?

Laguna S 2.1 and Sakana Namazu are closely matched on the overall LLM Stats Score at 41.4 and 43.2.

On price, Laguna S 2.1 is roughly 13.7x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Laguna S 2.1 also accepts a larger context window (1,048,576 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 Laguna S 2.1

  • cost matters — it's about 13.7x cheaper per token
  • you process long inputs — it offers a 1,048,576 token context window
  • you need open weights you can self-host or fine-tune

Choose Sakana Namazu

  • you want the most recent training data — it shipped Aug 2026

At a glance

The differences that matter most.

Core performance indexes
41.4
#43
43.2
#37
41.5
#40
43.0
#36
Cost, coverage & limits
Benchmark wins
Input price
$0.10 / M
$0.95 / M
Output price
$0.20 / M
$4.00 / M
Context window
1,048,576
256,000

Individual benchmarks

6 reported for Laguna S 2.1 · 3 for Sakana Namazu

No common benchmarks found

Laguna S 2.1 and Sakana Namazudon'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

Laguna S 2.1 costs less

For input processing, Laguna S 2.1 ($0.10/1M tokens) is 9.5x cheaper than Sakana Namazu ($0.95/1M tokens).

For output processing, Laguna S 2.1 ($0.20/1M tokens) is 20.0x cheaper than Sakana Namazu ($4.00/1M tokens).

In conclusion, Sakana Namazu is more expensive than Laguna S 2.1.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Fri Aug 28 2026 • llm-stats.com
Poolside
Laguna S 2.1
Input tokens$0.10
Output tokens$0.20
Best providerPoolside
Sakana AI
Sakana Namazu
Input tokens$0.95
Output tokens$4.00
Best providerUnknown Organization
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

Laguna S 2.1 accepts 1,048,576 input tokens compared to Sakana Namazu's 256,000 tokens. Only Sakana Namazu specifies output context (256,000 tokens).

Poolside
Laguna S 2.1
Input1,048,576 tokens
Output- tokens
Sakana AI
Sakana Namazu
Input256,000 tokens
Output256,000 tokens
Fri Aug 28 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Sakana Namazu supports multimodal inputs, whereas Laguna S 2.1 does not.

Sakana Namazu can handle both text and other forms of data like images, making it suitable for multimodal applications.

Laguna S 2.1

Text
Images
Audio
Video

Sakana Namazu

Text
Images
Audio
Video

License

Usage and distribution terms

Laguna S 2.1 is licensed under OpenMDW License v1.1, while Sakana Namazu uses a proprietary license.

License differences may affect how you can use these models in commercial or open-source projects.

Laguna S 2.1

OpenMDW License v1.1

Open weights

Sakana Namazu

Proprietary

Closed source

Release Timeline

When each model was launched

Laguna S 2.1 was released on 2026-07-21, while Sakana Namazu was released on 2026-08-03.

Sakana Namazu is 0 month newer than Laguna S 2.1.

Laguna S 2.1

Jul 21, 2026

1 months ago

Sakana Namazu

Aug 3, 2026

3 weeks ago

1w newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

Laguna S 2.1 is available from Poolside. Sakana Namazu is available from Sakana AI.

Laguna S 2.1

poolside logo
Poolside
Input Price:Input: $0.10/1MOutput Price:Output: $0.20/1M

Sakana Namazu

sakana logo
Unknown Organization
Input Price:Input: $0.95/1MOutput Price:Output: $4.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against Laguna S 2.1 and Sakana Namazu side-by-side, then vote on the output you prefer.

Laguna S 2.1
✓ Preferred
Sakana Namazu
Open in Playground

FAQ

Common questions about Laguna S 2.1 vs Sakana Namazu.

Which is better, Laguna S 2.1 or Sakana Namazu?

Laguna S 2.1 and Sakana Namazu are closely matched on the LLM Stats Score at 41.4 and 43.2. Laguna S 2.1 is made by Poolside and Sakana Namazu is made by Sakana AI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Laguna S 2.1 compare to Sakana Namazu in benchmarks?

Laguna S 2.1 scores SWE-bench Multilingual: 78.5%, Terminal-Bench 2.1: 70.2%, SWE-Bench Pro: 59.4%, Toolathlon: 49.7%, SWE Atlas - Codebase QnA: 46.2%. Sakana Namazu scores AIME 2026: 96.7%, LiveCodeBench v6: 90.3%, MMLU-Pro: 90.3%.

Is Laguna S 2.1 cheaper than Sakana Namazu?

Laguna S 2.1 is 9.5x cheaper for input tokens. Laguna S 2.1 costs $0.10/M input and $0.20/M output via poolside. Sakana Namazu costs $0.95/M input and $4.00/M output via sakana.

What are the context window sizes for Laguna S 2.1 and Sakana Namazu?

Laguna S 2.1 supports 1.0M tokens and Sakana Namazu supports 256K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Laguna S 2.1 and Sakana Namazu?

Key differences include LLM Stats Score (41.4 vs 43.2), context window (1.0M vs 256K), input pricing ($0.10 vs $0.95/M), multimodal support (no vs yes), licensing (OpenMDW License v1.1 vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Laguna S 2.1 and Sakana Namazu?

Laguna S 2.1 is developed by Poolside and Sakana Namazu is developed by Sakana AI.