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Granite 3.3 8B Base vs Muse Spark Open

Muse Spark Open leads the LLM Stats Score 44.9 to -0.8.

IBM · Meta · Updated for 2026

Which is better?

Muse Spark Open leads the overall LLM Stats Score 44.9 to -0.8, ranking #43 overall.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Granite 3.3 8B Base

  • you are already invested in the IBM ecosystem

Choose Muse Spark Open

  • overall performance matters — it scores 44.9 and ranks #43 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you want the most recent training data — it shipped Oct 2026

At a glance

The differences that matter most.

Granite 3.3 8B Base
IBM
Muse Spark Open
Meta
Core performance indexes
LLM Stats Score
-0.8
#353
44.9
#43
Reasoning
-1.0
#347
45.2
#39
Coding
11.0
#180
33.0
#42
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
$1.25 / M
Output price
— / M
$4.25 / M
Context window
—
1,048,576

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Granite 3.3 8B Base
Muse Spark Open
Math
-0.8#311
31.6#69
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

20 reported for Granite 3.3 8B Base · 17 for Muse Spark Open

No common benchmarks found

Granite 3.3 8B Base and Muse Spark Opendon'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

Model Size

Parameter count comparison

807.8B diff

Muse Spark Open has 807.8B more parameters than Granite 3.3 8B Base, making it 9887.8% larger.

IBM
Granite 3.3 8B Base
8.2Bparameters
Meta
Muse Spark Open
816.0Bparameters
8.2B
Granite 3.3 8B Base
816.0B
Muse Spark Open

Context Window

Maximum input and output token capacity

Only Muse Spark Open specifies input context (1,048,576 tokens). Only Muse Spark Open specifies output context (1,048,576 tokens).

IBM
Granite 3.3 8B Base
Input- tokens
Output- tokens
Meta
Muse Spark Open
Input1,048,576 tokens
Output1,048,576 tokens
Mon Oct 19 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Granite 3.3 8B Base and Muse Spark Open 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 Open

Text
Images
Audio
Video

License

Usage and distribution terms

Granite 3.3 8B Base is licensed under Apache 2.0, while Muse Spark Open uses Muse Model 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 Open

Muse Model License

Open weights

Release Timeline

When each model was launched

Granite 3.3 8B Base was released on 2025-04-16, while Muse Spark Open was released on 2026-10-15.

Muse Spark Open is 18 months newer than Granite 3.3 8B Base.

Granite 3.3 8B Base

Apr 16, 2025

1.5 years ago

Muse Spark Open

Oct 15, 2026

4 days ago

1.5yr newer

Knowledge Cutoff

When training data ends

Granite 3.3 8B Base has a documented knowledge cutoff of 2024-04-01, while Muse Spark Open'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 Open's cutoff date.

Granite 3.3 8B Base

Apr 2024

Muse Spark Open

—

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

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

Granite 3.3 8B Base
✓ Preferred
Muse Spark Open
Open in Playground

FAQ

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

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

Muse Spark Open leads the LLM Stats Score 44.9 to -0.8. Granite 3.3 8B Base is made by IBM and Muse Spark Open is made by Meta. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Granite 3.3 8B Base compare to Muse Spark Open 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 Open scores MCP Atlas: 89.2%, GPQA: 89.0%, OSWorld-Verified: 80.4%, BabyVision: 80.2%, Terminal-Bench 2.1: 76.4%.

What are the context window sizes for Granite 3.3 8B Base and Muse Spark Open?

Granite 3.3 8B Base supports an unknown number of tokens and Muse Spark Open 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 Open?

Key differences include LLM Stats Score (-0.8 vs 44.9), licensing (Apache 2.0 vs Muse Model License). See the full comparison above for benchmark-by-benchmark results.

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

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

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