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BenchLM
Data

Granite 4.2 8B vs Muse Glimmer 30B

Updated October 15, 2026. Rank says Muse Glimmer 30B is ahead. Price, access, and your workload can each overturn that. Public scores include evidence status and uncertainty.

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Decision reading

Muse Glimmer 30B has the higher public point estimate, 41.25 versus 33.4. Their conditional score ranges overlap. These ranges do not establish rank confidence. 5 results are shared. Category rows resting on Estimated evidence or different benchmark sets are marked directional and do not name a winner.

Model A
IBM logo

IBM

33.4/100

Estimated · Public rank #166

Conditional range 23.7–43.1

Model B
Meta logo

Meta

41.25/100

Estimated · Public rank #128

Conditional range 26.9–55.6

Shared results
5
Granite 4.2 8B only
9
Muse Glimmer 30B only
9
Like-for-like categories
2 / 8
Estimated: Granite 4.2 8B and Muse Glimmer 30B. Conditional ranges do not establish rank confidence.How the comparison works

Which one for your work

Recommendations appear only when a shared evidence basis or an explicit operating constraint supports the call. Secondary and unsupported use cases stay disclosed below the initial list.

  • Long documents

    Prompts that approach the documented context limit

    Muse Glimmer 30B

    Muse Glimmer 30B has the larger documented context window.

    Confidence: documented
Show secondary and unsupported calls
  • Coding work

    Code generation, repair, and software-engineering tasks

    Not enough matched evidence

    Granite 4.2 8B and Muse Glimmer 30B are scored on Estimated evidence for coding, so the reading is directional rather than like-for-like.

    Confidence: limited
  • Agentic work

    Tool use, computer use, and multi-step task completion

    Not enough matched evidence

    Granite 4.2 8B and Muse Glimmer 30B are scored on Estimated evidence for agentic, so the reading is directional rather than like-for-like.

    Confidence: limited
  • Chat turn cost

    1K fresh input + 500 output tokens

    Not enough matched evidence

    A complete comparable API-rate estimate is not available for both models.

    Confidence: listed-rates
  • Cache-heavy agent loop cost

    200K cached + 20K fresh input + 10K output tokens

    Not enough matched evidence

    The page does not recommend a cost winner because at least one model cannot fit the stated workload in one request. Granite 4.2 8B does not fit this workload in one request. Muse Glimmer 30B does not fit this workload in one request. Granite 4.2 8B has no comparable published API token rate. Muse Glimmer 30B has no comparable published API token rate.

    Confidence: listed-rates
  • Repository review cost

    50K fresh input + 3K output tokens

    Not enough matched evidence

    A complete comparable API-rate estimate is not available for both models.

    Confidence: listed-rates

Which one for a specific job

Choose a job from the LLM Selector's task catalog to see the category row it rests on, under the same basis rules as the table below. A directional row stays directional; choosing a job never creates a winner.

The same task catalog as the LLM Selector. Each job names the evidence surface it rests on; nothing here adds a new score.

17.2Granite 4.2 8B30.5Muse Glimmer 30B

Directional only · BenchAlign v5.8

Muse Glimmer 30B has the higher coding point estimate. Conditional score ranges do not establish rank confidence.

Coding scores combine specific tasks and setups. Match the editor, harness, and effort to your workflow.

Same basis rules as the category table below

What is actually comparable

Shared results can support a head-to-head reading. Results present for only one model describe coverage, not superiority.

2 categories rest on Estimated evidence or different evidence sets. Those rows remain visible for coverage context but do not name a winner.

Shape of the matched evidence

Only shared public evidence is shown. Sparse evidence stays a ruled list rather than being closed into a radar shape.

Too few matched category axes support a radar. The ruled list below shows only shared benchmark results; positions use each benchmark’s normalized display scale when available.

Bars run 0–100 on each benchmark’s normalized display scale

Category results, on a stated basis

Each row shows the public-lane category score for both models: the BenchAlign v5.8 lane for agentic, coding, and knowledge, and the weighted public rows elsewhere, with the same rank each model page reports. A row is like-for-like only when both scores rest on Supported evidence or the same weighted set. Directional and not-comparable rows remain visible, but they never receive a winner.

Knowledge

Like-for-like
Granite 4.2 8B
30.6
Supported · #154/184
Muse Glimmer 30B
44.1
Supported · #101/184
Basis
BenchAlign v5.8 lane · 2 vs 0 public rows
Reading
Muse Glimmer 30B leads · intervals overlap

Instruction following

Like-for-like
Granite 4.2 8B
86.5
#41/146
Muse Glimmer 30B
81.1
#55/146
Basis
Provisional lane · 1 vs 1 weighted rows
Reading
Granite 4.2 8B leads

Agentic

Directional only
Granite 4.2 8B
15.7
Estimated · #113/127
Muse Glimmer 30B
25.1
Estimated · #103/127
Basis
BenchAlign v5.8 lane · 3 vs 4 public rows
Reading
Directional only

Coding

Directional only
Granite 4.2 8B
17.2
Estimated · #125/150
Muse Glimmer 30B
30.5
Estimated · #94/150
Basis
BenchAlign v5.8 lane · 6 vs 4 public rows
Reading
Directional only

Reasoning

Not comparable
Granite 4.2 8B
56.8
Unranked · 2 rankable rows
Muse Glimmer 30B
83.1
Unranked · 2 rankable rows
Basis
Provisional lane · 0 vs 0 weighted rows
Reading
Not comparable

Multimodal

Not comparable
Granite 4.2 8B
Not ranked
Muse Glimmer 30B
65.1
#41/54
Basis
Provisional lane · 0 vs 2 weighted rows
Reading
Not comparable

Multilingual

Not comparable
Granite 4.2 8B
Not ranked
Muse Glimmer 30B
Not ranked
Basis
Provisional lane · 0 vs 0 weighted rows
Reading
Not comparable

Math

Not comparable
Granite 4.2 8B
Not ranked
Muse Glimmer 30B
84.6
Unranked · 1 rankable row
Basis
Provisional lane · 0 vs 1 weighted rows
Reading
Not comparable

Ranks count the models scored in each category’s lane, so the agentic, coding, and knowledge denominators (BenchAlign v5.8) differ from the provisional-lane categories. Unranked scores sit on the provisional lane’s scale but never name a winner. Like-for-like rows within 0.5 points read as a practical tie.

Supported evidence per lane · bars run 0–100Methodology

What each workload costs

Three fixed token mixes turn per-token rates into comparable decisions. Each scenario states context fit and whether cached input had to fall back to the published list-input rate.

Chat turn

1K fresh input + 500 output tokens

Granite 4.2 8B
Self-hosted; infrastructure cost varies
Fits in one request
Muse Glimmer 30B
Self-hosted; infrastructure cost varies
Fits in one request

Granite 4.2 8B has no comparable published API token rate. Muse Glimmer 30B has no comparable published API token rate.

Repository review

50K fresh input + 3K output tokens

Granite 4.2 8B
Self-hosted; infrastructure cost varies
Fits in one request
Muse Glimmer 30B
Self-hosted; infrastructure cost varies
Fits in one request

Granite 4.2 8B has no comparable published API token rate. Muse Glimmer 30B has no comparable published API token rate.

Cache-heavy agent loop

200K cached + 20K fresh input + 10K output tokens

Granite 4.2 8B
Self-hosted; infrastructure cost varies
Does not fit in one request
Cached-input rate unavailable
Muse Glimmer 30B
Self-hosted; infrastructure cost varies
Does not fit in one request
Cached-input rate unavailable

Granite 4.2 8B does not fit this workload in one request. Muse Glimmer 30B does not fit this workload in one request. Granite 4.2 8B has no comparable published API token rate. Muse Glimmer 30B has no comparable published API token rate.

Cached input falls back to the list input rate only where a cached rate is unpublished

Specification differences

Sourced differences are shown directly. Missing facts stay explicit instead of being inferred from a model name or family.

Cached-input rate

A missing cached-input rate falls back to the listed input rate only in the stated workload estimate.

Granite 4.2 8B

No comparable hosted API rate

IBM Granite 4.2 8B model card

Muse Glimmer 30B

No comparable hosted API rate

Documented inputs

Granite 4.2 8B

Not sourced

Muse Glimmer 30B

Not sourced

Documented outputs

Granite 4.2 8B

Not sourced

Muse Glimmer 30B

Not sourced

Provider availability

Granite 4.2 8B

Not sourced

Muse Glimmer 30B

Not sourced

Reasoning profile

Granite 4.2 8B

Reasoning

Muse Glimmer 30B

Reasoning

Weight access

Granite 4.2 8B

Open Weight

Muse Glimmer 30B

Open Weight

License

Granite 4.2 8B

Open Weight

Muse Glimmer 30B

Open Weight

Release date

Granite 4.2 8B

2026-08-25

Muse Glimmer 30B

2026-08-10

If you already use one of these models

Deployment change
The models list different providers, so authentication, endpoint behavior, limits, and feature support may change.
Quality signal
Muse Glimmer 30B has the higher public point estimate, 41.25 versus 33.4. Their conditional score ranges overlap. These ranges do not establish rank confidence.
Workload cost
A complete comparable API-rate estimate is not available for both models.
Context tradeoff
Muse Glimmer 30B has the larger documented window (131K).
Run the same representative tasks against both endpoints before changing production traffic.

Questions

Which is better, Granite 4.2 8B or Muse Glimmer 30B?

Muse Glimmer 30B has the higher public point estimate, 41.25 versus 33.4. Their conditional score ranges overlap. These ranges do not establish rank confidence. The page therefore keeps the decision tied to the specific documented workload.

Which is better for coding, Granite 4.2 8B or Muse Glimmer 30B?

Muse Glimmer 30B scores higher for coding on the public lane, 30.5 to 17.2. Granite 4.2 8B and Muse Glimmer 30B are scored on Estimated evidence for coding, so the reading is directional rather than like-for-like. BenchLM does not name a winner for coding from a directional reading; read the shared benchmark rows directly and test the models on the same task set.

Which is better for agentic tasks, Granite 4.2 8B or Muse Glimmer 30B?

Muse Glimmer 30B scores higher for agentic tasks on the public lane, 25.1 to 15.7. Granite 4.2 8B and Muse Glimmer 30B are scored on Estimated evidence for agentic tasks, so the reading is directional rather than like-for-like. BenchLM does not name a winner for agentic tasks from a directional reading; read the shared benchmark rows directly and test the models on the same task set.

Which costs less, Granite 4.2 8B or Muse Glimmer 30B?

Both models do not have comparable published API token rates, so this page does not name a universal price winner.

Which has the larger context window, Granite 4.2 8B or Muse Glimmer 30B?

Muse Glimmer 30B has the larger documented context window: 131K, compared with 128K.

Benchmark evidence

The full public result ledger is available for audit without forcing a wide desktop table onto a phone.

Browse raw public benchmark evidence23 rows

Agentic

  • Terminal-Bench 2.1

    Granite 4.2 8B20.6%
    Source
    Muse Glimmer 30B—

    Not directly comparable

  • τ³-bench results

    Granite 4.2 8B58.1%
    Source
    Muse Glimmer 30B—

    Not directly comparable

  • BFCL v4

    Granite 4.2 8B52.4%
    Source
    Muse Glimmer 30B—

    Not directly comparable

  • MCP Atlas

    Granite 4.2 8B—
    Muse Glimmer 30B75.5%
    Source

    Not directly comparable

  • DeepSearchQA

    Granite 4.2 8B—
    Muse Glimmer 30B74.6%
    Source

    Not directly comparable

  • skillsBench

    Granite 4.2 8B—
    Muse Glimmer 30B44.3%
    Source

    Not directly comparable

  • OSWorld-Verified

    Granite 4.2 8B—
    Muse Glimmer 30B65.9%
    Source

    Not directly comparable

Coding

  • SWE-bench Verified

    Granite 4.2 8B47.7%
    Source
    Muse Glimmer 30B76%
    Source

    Muse Glimmer 30B leads this result

  • SWE-bench Pro

    Granite 4.2 8B19.1%
    Source
    Muse Glimmer 30B51.2%
    Source

    Muse Glimmer 30B leads this result

  • SWE Multilingual

    Granite 4.2 8B30.8%
    Source
    Muse Glimmer 30B—

    Not directly comparable

  • Terminal-Bench 2.1

    Granite 4.2 8B20.6%
    Source
    Muse Glimmer 30B51.7%
    Source

    Muse Glimmer 30B leads this result

  • LiveCodeBench v6

    Granite 4.2 8B73.2%
    Source
    Muse Glimmer 30B—

    Not directly comparable

  • SciCode

    Granite 4.2 8B36.1%
    Source
    Muse Glimmer 30B43.6%
    Source

    Muse Glimmer 30B leads this result

Multimodal

  • CharXiv

    Granite 4.2 8B—
    Muse Glimmer 30B78.8%
    Source

    Not directly comparable

  • ScreenSpot Pro

    Granite 4.2 8B—
    Muse Glimmer 30B75.4%
    Source

    Not directly comparable

  • OmniDocBench 1.5

    Granite 4.2 8B—
    Muse Glimmer 30B75.8%
    Source

    Not directly comparable

  • MMMU-Pro

    Granite 4.2 8B—
    Muse Glimmer 30B74%
    Source

    Not directly comparable

Knowledge

  • GPQA

    Granite 4.2 8B64.1%
    Source
    Muse Glimmer 30B—

    Not directly comparable

  • MMLU-Pro

    Granite 4.2 8B74.0%
    Source
    Muse Glimmer 30B—

    Not directly comparable

Instruction following

  • IFBench

    Granite 4.2 8B79.3%
    Source
    Muse Glimmer 30B77%
    Source

    Granite 4.2 8B leads this result

Math

  • AIME 2025

    Granite 4.2 8B86.7%
    Source
    Muse Glimmer 30B—

    Not directly comparable

  • HMMT Feb 2025

    Granite 4.2 8B78.3%
    Source
    Muse Glimmer 30B—

    Not directly comparable

  • AIME26

    Granite 4.2 8B—
    Muse Glimmer 30B94.7%
    Source

    Not directly comparable

23 public results · 5 shared

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Last updated October 15, 2026