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Granite 4.2 8B vs LongCat 2.0

LongCat 2.0 leads Granite 4.2 8B on the Artificial Analysis Intelligence Index, 19.1 to 11.1, and Granite 4.2 8B costs 6.0x less per output token ($0.20 vs $1.20 per million). Updated October 22, 2026; 7 benchmarks have a result for both.

Replace Granite 4.2 8B Replace LongCat 2.0
Granite 4.2 8BIBM Granite
Coding
No data
Overall
No data
Output $/M
$0.20
0
LongCat 2.0Meituan
Coding
No data
Overall
No data
Output $/M
$1.20
7
vs boards won of 7 shared

Granite 4.2 8B or LongCat 2.0: 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 6.0x cheaper ($0.20 vs $1.20 per million) and work measured by AA Coding Index or SciCode, where it leads.

Model AGranite 4.2 8BIBM GraniteNot benchmarkedNo coding benchmarkNo cost per solved taskModel BLongCat 2.0MeituanNot benchmarkedNo coding benchmarkNo cost per solved task
Shared results
7
Granite 4.2 8B only
20
LongCat 2.0 only
1
Like-for-like categories
5 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, LongCat 2.0 not benchmarked.
Widest category
General, 20.0 points apart on average over 1 shared benchmark.
Widest single gap
Humanity's Last Exam (Artificial Analysis run): Granite 4.2 8B 9.7% against LongCat 2.0 33.7%, 24.0 points apart on a 0 to 100 scale.
Output price
Granite 4.2 8B $0.20 against LongCat 2.0 $1.20 per million output tokens, 6.0x apart.
Context window
Granite 4.2 8B takes 131K tokens, LongCat 2.0 1.05M.

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 8BBarsLongCat 2.0Ties
Coding02
Intelligence01
Agentic work01
Reasoning02
General01
All shared boards07
CodingLike-for-likeSix of these boards feed the Vibe Coding Index02
Coding benchmarks for Granite 4.2 8B and LongCat 2.0
BenchmarkGranite 4.2 8BLongCat 2.0Leader
AA Coding Index22.445.3LongCat 2.0
SciCode31.5%36.3%LongCat 2.0
ALE-BenchNot measured793.5Only LongCat 2.0 measured
LMArena Text: coding1378Not measuredOnly Granite 4.2 8B measured
LMArena Text: software and IT1367Not 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 LongCat 2.0
BenchmarkGranite 4.2 8BLongCat 2.0Leader
AA Intelligence Index11.119.1LongCat 2.0
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 LongCat 2.0
BenchmarkGranite 4.2 8BLongCat 2.0Leader
AA Agentic Index1.314.0LongCat 2.0
Neither model has a result on the other 41 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index02
Reasoning benchmarks for Granite 4.2 8B and LongCat 2.0
BenchmarkGranite 4.2 8BLongCat 2.0Leader
GPQA Diamond (Artificial Analysis run)63.1%78.0%LongCat 2.0
Humanity's Last Exam (Artificial Analysis run)9.7%33.7%LongCat 2.0
LMArena Text: hard prompts1327Not measuredOnly Granite 4.2 8B measured
LMArena Text: expert1386Not measuredOnly Granite 4.2 8B measured
LMArena Text: hard prompts in English1345Not 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 LongCat 2.0
BenchmarkGranite 4.2 8BLongCat 2.0Leader
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 LongCat 2.0
BenchmarkGranite 4.2 8BLongCat 2.0Leader
LMArena Text: science1336Not measuredOnly Granite 4.2 8B measured
LMArena Text: medicine and healthcare1336Not 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 designNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Web design benchmarks for Granite 4.2 8B and LongCat 2.0
BenchmarkGranite 4.2 8BLongCat 2.0Leader
Neither model has a result on 9 boards here
GeneralLike-for-likePublic boards, shown as published, kept out of the index01
General benchmarks for Granite 4.2 8B and LongCat 2.0
BenchmarkGranite 4.2 8BLongCat 2.0Leader
Long context reasoning (AA-LCR)45.0%65.0%LongCat 2.0
LMArena Text1319Not measuredOnly Granite 4.2 8B measured
LMArena Text: instruction following1300Not measuredOnly Granite 4.2 8B measured
LMArena Text: creative writing1236Not measuredOnly Granite 4.2 8B measured
LMArena Text: English1337Not measuredOnly Granite 4.2 8B measured
LMArena Text: non-English1301Not measuredOnly Granite 4.2 8B measured
LMArena Text: Chinese1367Not measuredOnly Granite 4.2 8B measured
LMArena Text: Russian1282Not measuredOnly Granite 4.2 8B measured
LMArena Text: multi-turn1301Not measuredOnly Granite 4.2 8B measured
LMArena Text: longer queries1325Not 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 LongCat 2.0
BenchmarkGranite 4.2 8BLongCat 2.0Leader
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
LongCat 2.0$0.0009Fits 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
LongCat 2.0$0.019Fits 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
LongCat 2.0$0.072Fits in one request

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 LongCat 2.0
SpecificationIBM Granite 4.2 8BMeituan LongCat 2.0
MakerIBM GraniteMeituan
WeightsOpen weightsOpen weights
ReleasedAugust 31, 2026July 20, 2026
Context window131K1.05M
Input $/Mtok$0.08$0.30
Output $/Mtok$0.20$1.20
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 LongCat 2.0 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 6.0x cheaper ($0.20 vs $1.20 per million) and work measured by AA Coding Index or SciCode, where it leads.

Which is cheaper, Granite 4.2 8B or LongCat 2.0?

Granite 4.2 8B costs $0.08 per million input tokens and $0.20 per million output tokens; LongCat 2.0 costs $0.30 and $1.20. Cost per solved task is known for neither of them.

Which has the bigger context window, Granite 4.2 8B or LongCat 2.0?

LongCat 2.0, with 1.05M tokens against 131K.

How many benchmarks is the Granite 4.2 8B vs LongCat 2.0 comparison based on?

7 benchmarks have a result for both models as of October 22, 2026. Granite 4.2 8B's coding index rests on 0 independent benchmarks and LongCat 2.0's on 0. Where only one model has a result, the page says so instead of naming a winner.

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