Grok 4.6 (Medium) vs LongCat 2.0
Which is better for the money: Grok 4.6 (Medium) by SpaceXAI 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
Grok 4.6 (Medium) scores 23.7 points higher (42.8 vs 19.1) but costs 2.9× as much to run the benchmark ($1557 vs $545; both premium class). Pick Grok 4.6 (Medium) when the extra intelligence is worth the premium, otherwise LongCat 2.0.
| Metric | Grok 4.6 (Medium) | LongCat 2.0 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 42.8 | 19.1 | −55.4% LongCat 2.0 is 55.4% less intelligent |
| Total AA cost (lower is better) | $1,557.04 | $544.74 | −65.0% LongCat 2.0 is 65.0% cheaper |
| End-to-end time (lower is better) | 31.37s | 35.51s | +13.2% LongCat 2.0 is 13.2% slower |
| Price per 1M tokens (in / out) | $2.00 / $6.00 | $0.75 / $2.95 | |
| Input modalities | Text, Image | Text |
LongCat 2.0 vs Grok 4.6 (Medium): 55.4% less intelligence, 65.0% less cost to run the AA benchmark, and 13.2% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Grok 4.6 (Medium) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- LongCat 2.0 is off the frontier: at the same or lower cost, GPT-6.1 Sol (High) scores 50.20 for $521.
Grok 4.6 (Medium)LongCat 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/grok-4-6-medium/longcat-2-0 · Markdown: /api/v1/compare/grok-4-6-medium/longcat-2-0?format=md · llms.txt · agent skill