Model Comparison

MAI-Thinking-1 vs Muse Spark 1.1Which is better in 2026?

Muse Spark 1.1 significantly outperforms across most benchmarks.

Verdict: MAI-Thinking-1 vs Muse Spark 1.1 — which is better?

MAI-Thinking-1 (by Microsoft) and Muse Spark 1.1 (by Meta) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

MAI-Thinking-1 outperforms in 0 benchmarks, while Muse Spark 1.1 is better at 1 benchmark (SWE-Bench Pro). Muse Spark 1.1 significantly outperforms across most benchmarks.

Choose MAI-Thinking-1 if…

  • you are already invested in the Microsoft ecosystem

Choose Muse Spark 1.1 if…

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
  • you want the most recent training data — it shipped Jul 2026

Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

MAI-Thinking-1 outperforms in 0 benchmarks, while Muse Spark 1.1 is better at 1 benchmark (SWE-Bench Pro).

Muse Spark 1.1 significantly outperforms across most benchmarks.

Tue Jul 21 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Muse Spark 1.1 specifies input context (1,048,576 tokens). Only Muse Spark 1.1 specifies output context (131,072 tokens).

Microsoft
MAI-Thinking-1
Input- tokens
Output- tokens
Meta
Muse Spark 1.1
Input1,048,576 tokens
Output131,072 tokens
Tue Jul 21 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Muse Spark 1.1 supports multimodal inputs, whereas MAI-Thinking-1 does not.

Muse Spark 1.1 can handle both text and other forms of data like images, making it suitable for multimodal applications.

MAI-Thinking-1

Text
Images
Audio
Video

Muse Spark 1.1

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.

MAI-Thinking-1

Proprietary

Closed source

Muse Spark 1.1

Proprietary

Closed source

Release Timeline

When each model was launched

MAI-Thinking-1 was released on 2026-06-02, while Muse Spark 1.1 was released on 2026-07-09.

Muse Spark 1.1 is 1 month newer than MAI-Thinking-1.

MAI-Thinking-1

Jun 2, 2026

1 months ago

Muse Spark 1.1

Jul 9, 2026

1 weeks ago

1mo 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

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Key Takeaways

No standout differentiators in the data we have for this pair.

Larger context window (1,048,576 tokens)
Supports multimodal inputs
Higher SWE-Bench Pro score (61.5% vs 52.8%)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against MAI-Thinking-1 and Muse Spark 1.1 side-by-side, then vote on the output you prefer.

MAI-Thinking-1
✓ Preferred
Muse Spark 1.1
Open in Playground
AI Model Comparison Table
Feature
Microsoft
MAI-Thinking-1
Meta
Muse Spark 1.1

FAQ

Common questions about MAI-Thinking-1 vs Muse Spark 1.1.

Which is better, MAI-Thinking-1 or Muse Spark 1.1?

Muse Spark 1.1 significantly outperforms across most benchmarks. MAI-Thinking-1 is made by Microsoft and Muse Spark 1.1 is made by Meta. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does MAI-Thinking-1 compare to Muse Spark 1.1 in benchmarks?

MAI-Thinking-1 scores LongFact: 98.0%, AIME 2025: 97.0%, AIME 2026: 94.5%, GraphWalks: 90.0%, AIR-Bench: 88.0%. Muse Spark 1.1 scores CharXiv-R: 88.4%, MCP Atlas: 88.1%, OSWorld-Verified: 80.8%, Terminal-Bench 2.1: 80.0%, BabyVision: 76.3%.

What are the context window sizes for MAI-Thinking-1 and Muse Spark 1.1?

MAI-Thinking-1 supports an unknown number of tokens and Muse Spark 1.1 supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between MAI-Thinking-1 and Muse Spark 1.1?

Key differences include multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.

Who makes MAI-Thinking-1 and Muse Spark 1.1?

MAI-Thinking-1 is developed by Microsoft and Muse Spark 1.1 is developed by Meta.