Granite 4.2 3B vs LongCat 2.0
Which is better for the money: Granite 4.2 3B by IBM or LongCat 2.0 by LongCat? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Trade-off
Verdict
Depends on your budget
LongCat 2.0 scores 10.0 points higher (19.1 vs 9.1) but costs 37× as much to run the benchmark ($545 vs $14.9; premium vs budget cost classes). They are not alternatives at one budget: pick LongCat 2.0 when you need intelligence above 9.1, and Granite 4.2 3B when 9.1 is enough.
| Metric | Granite 4.2 3B | LongCat 2.0 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 9.1 | 19.1 | +109.9% LongCat 2.0 is 2.1× more intelligent |
| Total AA cost (lower is better) | $14.91 | $544.74 | +3553.5% LongCat 2.0 is 37× more expensive |
| End-to-end time (lower is better) | 49.42s | 35.69s | −27.8% LongCat 2.0 is 27.8% faster |
| Price per 1M tokens (in / out) | $0.03 / $0.12 | $0.75 / $2.95 | |
| Input modalities | Text | Text |
LongCat 2.0 vs Granite 4.2 3B: 109.9% more intelligence, 3553.5% more cost to run the AA benchmark, and 27.8% faster end-to-end.
Today's Pareto frontier
Against the frontier
- Granite 4.2 3B is off the frontier: at the same or lower cost, GPT-6 Luna (Low) scores 21.50 for $10.6.
- LongCat 2.0 is off the frontier: at the same or lower cost, GPT-6.1 Sol (High) scores 50.20 for $521.
Granite 4.2 3BLongCat 2.0Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/granite-4-2-3b/longcat-2-0 · Markdown: /api/v1/compare/granite-4-2-3b/longcat-2-0?format=md · llms.txt · agent skill