Model Comparison

Granite 3.3 8B Base vs Muse Spark 1.1Which is better in 2026?

Comparing Granite 3.3 8B Base and Muse Spark 1.1 across benchmarks, pricing, and capabilities.

Verdict: Granite 3.3 8B Base vs Muse Spark 1.1 — which is better?

Granite 3.3 8B Base (by IBM) 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.

Choose Granite 3.3 8B Base if…

  • you need open weights you can self-host or fine-tune

Choose Muse Spark 1.1 if…

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

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Granite 3.3 8B Base and Muse Spark 1.1don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

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).

IBM
Granite 3.3 8B Base
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

Both Granite 3.3 8B Base and Muse Spark 1.1 support multimodal inputs.

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

Granite 3.3 8B Base

Text
Images
Audio
Video

Muse Spark 1.1

Text
Images
Audio
Video

License

Usage and distribution terms

Granite 3.3 8B Base is licensed under Apache 2.0, while Muse Spark 1.1 uses a proprietary license.

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

Granite 3.3 8B Base

Apache 2.0

Open weights

Muse Spark 1.1

Proprietary

Closed source

Release Timeline

When each model was launched

Granite 3.3 8B Base was released on 2025-04-16, while Muse Spark 1.1 was released on 2026-07-09.

Muse Spark 1.1 is 15 months newer than Granite 3.3 8B Base.

Granite 3.3 8B Base

Apr 16, 2025

1.3 years ago

Muse Spark 1.1

Jul 9, 2026

1 weeks ago

1.2yr newer

Knowledge Cutoff

When training data ends

Granite 3.3 8B Base has a documented knowledge cutoff of 2024-04-01, while Muse Spark 1.1's cutoff date is not specified.

We can confirm Granite 3.3 8B Base's training data extends to 2024-04-01, but cannot make a direct comparison without Muse Spark 1.1's cutoff date.

Granite 3.3 8B Base

Apr 2024

Muse Spark 1.1

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Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

IBM
Has open weights
Meta
Larger context window (1,048,576 tokens)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Granite 3.3 8B Base and Muse Spark 1.1 side-by-side, then vote on the output you prefer.

Granite 3.3 8B Base
✓ Preferred
Muse Spark 1.1
Open in Playground
AI Model Comparison Table
Feature
IBM
Granite 3.3 8B Base
Meta
Muse Spark 1.1

FAQ

Common questions about Granite 3.3 8B Base vs Muse Spark 1.1.

Which is better, Granite 3.3 8B Base or Muse Spark 1.1?

Granite 3.3 8B Base (IBM) and Muse Spark 1.1 (Meta) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Granite 3.3 8B Base compare to Muse Spark 1.1 in benchmarks?

Granite 3.3 8B Base scores HumanEval: 89.7%, AttaQ: 88.5%, HumanEval+: 86.1%, AIME 2024: 81.2%, HellaSwag: 80.1%. 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 Granite 3.3 8B Base and Muse Spark 1.1?

Granite 3.3 8B Base 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 Granite 3.3 8B Base and Muse Spark 1.1?

Key differences include licensing (Apache 2.0 vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Granite 3.3 8B Base and Muse Spark 1.1?

Granite 3.3 8B Base is developed by IBM and Muse Spark 1.1 is developed by Meta.

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