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Granite 4.2 8B vs Muse Glimmer 30B

Muse Glimmer 30B leads Granite 4.2 8B on the Artificial Analysis Intelligence Index, 17.5 to 11.1, and Granite 4.2 8B costs 6.8x less per output token ($0.20 vs $1.35 per million). Updated October 23, 2026; 3 benchmarks have a result for both.

Replace Granite 4.2 8B Replace Muse Glimmer 30B
Granite 4.2 8BIBM Granite
Coding
No data
Overall
No data
Output $/M
$0.20
0
Muse Glimmer 30BMeta
Coding
No data
Overall
No data
Output $/M
$1.35
3
vs boards won of 3 shared

Granite 4.2 8B or Muse Glimmer 30B: which to pick

Neither model has a coding score yet, so the two cannot be ranked on coding.

Pick Granite 4.2 8B for output tokens 6.8x cheaper ($0.20 vs $1.35 per million) and work measured by AA Coding Index or AA Intelligence Index, where it leads.

Model AGranite 4.2 8BIBM GraniteNot benchmarkedNo coding benchmarkNo cost per solved taskModel BMuse Glimmer 30BMetaNot benchmarkedNo coding benchmarkNo cost per solved task
Shared results
3
Granite 4.2 8B only
24
Muse Glimmer 30B only
2
Like-for-like categories
3 of 9

Only benchmarks that tested both models count toward a pick; a result only one model has is shown but not compared.

Which one for your work

Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.

At a glance

Coding index
Granite 4.2 8B not benchmarked, Muse Glimmer 30B not benchmarked.
Widest category
Coding, 26.6 points apart on average over 1 shared benchmark.
Widest single gap
AA Coding Index: Granite 4.2 8B 22.4 against Muse Glimmer 30B 49.0, 26.6 points apart on a 0 to 100 scale.
Output price
Granite 4.2 8B $0.20 against Muse Glimmer 30B $1.35 per million output tokens, 6.8x apart.
Context window
Both take 131K tokens.

Benchmark by benchmark

First the score: boards each model leads, per category, where both have a result. Then every board, a category to a fold; bars are each result on a 0 to 100 scale, so compare the two in a row, not one row with another.

Boards won, where both have a result
CategoryGranite 4.2 8BBarsMuse Glimmer 30BTies
Coding01
Intelligence01
Agentic work01
All shared boards03
CodingLike-for-likeSix of these boards feed the Vibe Coding Index01
Coding benchmarks for Granite 4.2 8B and Muse Glimmer 30B
BenchmarkGranite 4.2 8BMuse Glimmer 30BLeader
AA Coding Index22.449.0Muse Glimmer 30B
SciCode31.5%Not measuredOnly Granite 4.2 8B measured
ALE-BenchNot measured962.5Only Muse Glimmer 30B measured
LMArena Text: coding1378Not measuredOnly Granite 4.2 8B measured
LMArena Text: software and IT1366Not measuredOnly Granite 4.2 8B measured
Neither model has a result on the other 38 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
Intelligence benchmarks for Granite 4.2 8B and Muse Glimmer 30B
BenchmarkGranite 4.2 8BMuse Glimmer 30BLeader
AA Intelligence Index11.117.5Muse Glimmer 30B
Neither model has a result on the other 1 board here
Agentic workLike-for-likePublic boards, shown as published, kept out of the index01
Agentic work benchmarks for Granite 4.2 8B and Muse Glimmer 30B
BenchmarkGranite 4.2 8BMuse Glimmer 30BLeader
AA Agentic Index1.38.5Muse Glimmer 30B
Neither model has a result on the other 41 boards here
ReasoningDirectional onlyPublic boards, shown as published, kept out of the index5 boards, none shared
Reasoning benchmarks for Granite 4.2 8B and Muse Glimmer 30B
BenchmarkGranite 4.2 8BMuse Glimmer 30BLeader
GPQA Diamond (Artificial Analysis run)63.1%Not measuredOnly Granite 4.2 8B measured
Humanity's Last Exam (Artificial Analysis run)9.7%Not measuredOnly Granite 4.2 8B measured
LMArena Text: hard prompts1327Not measuredOnly Granite 4.2 8B measured
LMArena Text: expert1386Not measuredOnly Granite 4.2 8B measured
LMArena Text: hard prompts in English1344Not measuredOnly Granite 4.2 8B measured
Neither model has a result on the other 18 boards here
MathNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Math benchmarks for Granite 4.2 8B and Muse Glimmer 30B
BenchmarkGranite 4.2 8BMuse Glimmer 30BLeader
Neither model has a result on 14 boards here
KnowledgeDirectional onlyPublic boards, shown as published, kept out of the index4 boards, none shared
Knowledge benchmarks for Granite 4.2 8B and Muse Glimmer 30B
BenchmarkGranite 4.2 8BMuse Glimmer 30BLeader
LMArena Text: science1335Not measuredOnly Granite 4.2 8B measured
LMArena Text: medicine and healthcare1332Not measuredOnly Granite 4.2 8B measured
LMArena Text: legal and government1327Not measuredOnly Granite 4.2 8B measured
LMArena Text: business and finance1322Not measuredOnly Granite 4.2 8B measured
Neither model has a result on the other 16 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index1 board, none shared
Web design benchmarks for Granite 4.2 8B and Muse Glimmer 30B
BenchmarkGranite 4.2 8BMuse Glimmer 30BLeader
Design Arena: game devNot measured1124Only Muse Glimmer 30B measured
Neither model has a result on the other 8 boards here
GeneralDirectional onlyPublic boards, shown as published, kept out of the index12 boards, none shared
General benchmarks for Granite 4.2 8B and Muse Glimmer 30B
BenchmarkGranite 4.2 8BMuse Glimmer 30BLeader
Long context reasoning (AA-LCR)45.0%Not measuredOnly Granite 4.2 8B measured
LMArena Text1319Not measuredOnly Granite 4.2 8B measured
LMArena Text: instruction following1301Not measuredOnly Granite 4.2 8B measured
LMArena Text: creative writing1235Not measuredOnly Granite 4.2 8B measured
LMArena Text: English1337Not measuredOnly Granite 4.2 8B measured
LMArena Text: non-English1300Not measuredOnly Granite 4.2 8B measured
LMArena Text: Chinese1365Not measuredOnly Granite 4.2 8B measured
LMArena Text: Russian1280Not measuredOnly Granite 4.2 8B measured
LMArena Text: multi-turn1300Not measuredOnly Granite 4.2 8B measured
LMArena Text: longer queries1324Not measuredOnly Granite 4.2 8B measured
LMArena Text: writing and language1269Not measuredOnly Granite 4.2 8B measured
LMArena Text: entertainment and media1271Not measuredOnly Granite 4.2 8B measured
Neither model has a result on the other 36 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Granite 4.2 8B and Muse Glimmer 30B
BenchmarkGranite 4.2 8BMuse Glimmer 30BLeader
Neither model has a result on 5 boards here

What each workload costs

Three fixed token mixes at each model's listed price, so per-token rates become a bill.

Chat turn

1K input + 500 output tokens

Granite 4.2 8B$0.0002Fits in one request
Muse Glimmer 30B$0.0010Fits in one request

Granite 4.2 8B costs less

Repository review

50K input + 3K output tokens

Granite 4.2 8B$0.0046Fits in one request
Muse Glimmer 30B$0.020Fits in one request

Granite 4.2 8B costs less

Agent loop

200K input + 10K output tokens

Granite 4.2 8B$0.018Exceeds the context window
Muse Glimmer 30B$0.079Exceeds the context window

Granite 4.2 8B costs less

Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.

Specification differences

The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.

Specifications of Granite 4.2 8B and Muse Glimmer 30B
SpecificationIBM Granite 4.2 8BMeta Muse Glimmer 30B
MakerIBM GraniteMeta
WeightsOpen weightsOpen weights
ReleasedAugust 31, 2026August 9, 2026
Context window131K131K
Input $/Mtok$0.08$0.325
Output $/Mtok$0.20$1.35
Coding indexNot benchmarkedNot benchmarked
Independent measurements behind it00
Cost per solved taskNot computableNot computable
SourceOpenRouter listingOpenRouter listing

Questions

Is Granite 4.2 8B better than Muse Glimmer 30B for coding?

Neither model has a coding score yet, so the two cannot be ranked on coding. Pick Granite 4.2 8B for output tokens 6.8x cheaper ($0.20 vs $1.35 per million) and work measured by AA Coding Index or AA Intelligence Index, where it leads.

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

Granite 4.2 8B costs $0.08 per million input tokens and $0.20 per million output tokens; Muse Glimmer 30B costs $0.325 and $1.35. Cost per solved task is known for neither of them.

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

Neither: both take 131K tokens.

How many benchmarks is the Granite 4.2 8B vs Muse Glimmer 30B comparison based on?

3 benchmarks have a result for both models as of October 23, 2026. Granite 4.2 8B's coding index rests on 0 independent benchmarks and Muse Glimmer 30B's on 0. Where only one model has a result, the page says so instead of naming a winner.

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