IBM Granite 4.2 8B vs Muse Spark 1.1: Specs & Benchmark Comparison

IBM Granite 4.2 8B is developed by IBM, while Muse Spark 1.1 comes from Meta. Muse Spark 1.1 was released in July 2026, and IBM Granite 4.2 8B followed a month later in August 2026. IBM Granite 4.2 8B has a published size of about 8 billion parameters; Meta has not disclosed the parameter count of Muse Spark 1.1.

We have 18 benchmark results for IBM Granite 4.2 8B and 4 benchmark results for Muse Spark 1.1, but they overlap on a single test: Terminal-Bench 2.1, where Muse Spark 1.1 scores 80.0% against 20.6%.

Muse Spark 1.1 is available through an API at $1.25 per million input tokens with a 1M-token context window. We do not track a hosted API for IBM Granite 4.2 8B, so pricing and context cannot be compared directly.

CharacteristicIBM Granite 4.2 8BMuse Spark 1.1
CompanyIBMMeta
Release DateAugust 25, 2026July 9, 2026
Parameters8B
MultimodalNoYes
Context (input)1.0M
Context (output)131K
Input Price / 1M$1.25
Output Price / 1M$4.25
Average Score56.7%84.3%
Benchmarks
Terminal-Bench 2.120.6%80.0%

Visual Benchmark Comparison

IBM Granite 4.2 8B
Muse Spark 1.1
Terminal-Bench 2.10.2 vs 0.8
0.2
0.8

Verdict

IBM Granite 4.2 8B leads in 1 out of 2 comparison categories.

Overall Performance

Both models show comparable average scores: IBM Granite 4.2 8B — 0.6, Muse Spark 1.1 — 0.8.

Recency

IBM Granite 4.2 8B is newer: released 8/25/2026 vs 7/9/2026.

More About These Models

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Frequently Asked Questions

Which is better for coding — IBM Granite 4.2 8B or Muse Spark 1.1?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — IBM Granite 4.2 8B or Muse Spark 1.1?
API pricing data is available on the individual model pages.
Which has a larger context window — IBM Granite 4.2 8B or Muse Spark 1.1?
Context window data is available on the individual model pages.

The IBM Granite 4.2 8B and Muse Spark 1.1 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the IBM Granite 4.2 8B or Muse Spark 1.1 page. See also the complete list of AI model comparisons.