Grok 4.3 (High) vs LongCat 2.0
Which is better for the money: Grok 4.3 (High) by SpaceXAI or LongCat 2.0 by LongCat? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Clear winner
Verdict
Pick Grok 4.3 (High)
LongCat 2.0 vs Grok 4.3 (High): 23.3% less intelligence, 50.0% more cost to run the AA benchmark, and 42.8% slower end-to-end.
| Metric | Grok 4.3 (High) | LongCat 2.0 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 24.9 | 19.1 | −23.3% LongCat 2.0 is 23.3% less intelligent |
| Total AA cost (lower is better) | $363.24 | $544.74 | +50.0% LongCat 2.0 is 50.0% more expensive |
| End-to-end time (lower is better) | 24.88s | 35.54s | +42.8% LongCat 2.0 is 42.8% slower |
| Price per 1M tokens (in / out) | $1.25 / $2.50 | $0.75 / $2.95 | |
| Input modalities | Text, Image | Text |
Today's Pareto frontier
Against the frontier
- Grok 4.3 (High) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 47.80 for $361.
- LongCat 2.0 is off the frontier: at the same or lower cost, GPT-6.1 Sol (High) scores 50.20 for $521.
Grok 4.3 (High)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-4-3/longcat-2-0 · Markdown: /api/v1/compare/grok-4-3/longcat-2-0?format=md · llms.txt · agent skill