The AI arena is free today

Open Superagent

Muse Spark 1.2 vs Sakana Namazu

Muse Spark 1.2 and Sakana Namazu are closely matched at 41.1 and 43.2 on the LLM Stats Score. Muse Spark 1.2 is 13.7x cheaper per token.

Meta · Sakana AI · Updated for 2026

Which is better?

Muse Spark 1.2 and Sakana Namazu are closely matched on the overall LLM Stats Score at 41.1 and 43.2.

On price, Muse Spark 1.2 is roughly 13.7x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Muse Spark 1.2 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 Muse Spark 1.2

  • cost matters — it's about 13.7x cheaper per token
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Aug 2026

Choose Sakana Namazu

  • you want predictable pricing at $0.95/M input and $4.00/M output

At a glance

The differences that matter most.

Core performance indexes
41.1
#44
43.2
#37
34.4
#80
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

3 reported for Muse Spark 1.2 · 3 for Sakana Namazu

No common benchmarks found

Muse Spark 1.2 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

Muse Spark 1.2 costs less

For input processing, Muse Spark 1.2 ($0.10/1M tokens) is 9.5x cheaper than Sakana Namazu ($0.95/1M tokens).

For output processing, Muse Spark 1.2 ($0.20/1M tokens) is 20.0x cheaper than Sakana Namazu ($4.00/1M tokens).

In conclusion, Sakana Namazu is more expensive than Muse Spark 1.2.*

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

Lowest available price from all providers
Fri Aug 28 2026 • llm-stats.com
Meta
Muse Spark 1.2
Input tokens$0.10
Output tokens$0.20
Best providerMeta
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

Muse Spark 1.2 accepts 1,048,576 input tokens compared to Sakana Namazu's 256,000 tokens. Sakana Namazu can generate longer responses up to 256,000 tokens, while Muse Spark 1.2 is limited to 131,072 tokens.

Meta
Muse Spark 1.2
Input1,048,576 tokens
Output131,072 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

Both Muse Spark 1.2 and Sakana Namazu support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Muse Spark 1.2

Text
Images
Audio
Video

Sakana Namazu

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Muse Spark 1.2

Proprietary

Closed source

Sakana Namazu

Proprietary

Closed source

Release Timeline

When each model was launched

Muse Spark 1.2 was released on 2026-08-05, while Sakana Namazu was released on 2026-08-03.

Muse Spark 1.2 is 0 month newer than Sakana Namazu.

Muse Spark 1.2

Aug 5, 2026

3 weeks ago

2d newer
Sakana Namazu

Aug 3, 2026

3 weeks ago

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

Muse Spark 1.2 is available from Meta Model API. Sakana Namazu is available from Sakana AI.

Muse Spark 1.2

meta logo
Meta
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 Muse Spark 1.2 and Sakana Namazu side-by-side, then vote on the output you prefer.

Muse Spark 1.2
✓ Preferred
Sakana Namazu
Open in Playground

FAQ

Common questions about Muse Spark 1.2 vs Sakana Namazu.

Which is better, Muse Spark 1.2 or Sakana Namazu?

Muse Spark 1.2 and Sakana Namazu are closely matched on the LLM Stats Score at 41.1 and 43.2. Muse Spark 1.2 is made by Meta 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 Muse Spark 1.2 compare to Sakana Namazu in benchmarks?

Muse Spark 1.2 scores Terminal-Bench 2.1: 82.9%, Meta Internal Coding Bench: 70.6%, DeepSWE 1.1: 59.3%. Sakana Namazu scores AIME 2026: 96.7%, LiveCodeBench v6: 90.3%, MMLU-Pro: 90.3%.

Is Muse Spark 1.2 cheaper than Sakana Namazu?

Muse Spark 1.2 is 9.5x cheaper for input tokens. Muse Spark 1.2 costs $0.10/M input and $0.20/M output via meta. Sakana Namazu costs $0.95/M input and $4.00/M output via sakana.

What are the context window sizes for Muse Spark 1.2 and Sakana Namazu?

Muse Spark 1.2 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 Muse Spark 1.2 and Sakana Namazu?

Key differences include LLM Stats Score (41.1 vs 43.2), context window (1.0M vs 256K), input pricing ($0.10 vs $0.95/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Muse Spark 1.2 and Sakana Namazu?

Muse Spark 1.2 is developed by Meta and Sakana Namazu is developed by Sakana AI.