DeepSeek V4 Flash 0420 (Max) vs LongCat 2.0
Which is better for the money: DeepSeek V4 Flash 0420 (Max) by DeepSeek 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 DeepSeek V4 Flash 0420 (Max)
LongCat 2.0 vs DeepSeek V4 Flash 0420 (Max): 21.1% less intelligence, 264.4% more cost to run the AA benchmark, and 69.6% faster end-to-end.
| Metric | DeepSeek V4 Flash 0420 (Max) | LongCat 2.0 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 24.2 | 19.1 | −21.1% LongCat 2.0 is 21.1% less intelligent |
| Total AA cost (lower is better) | $149.48 | $544.74 | +264.4% LongCat 2.0 is 3.6× more expensive |
| End-to-end time (lower is better) | 116.79s | 35.54s | −69.6% LongCat 2.0 is 69.6% faster |
| Price per 1M tokens (in / out) | $0.11 / $0.23 | $0.75 / $2.95 | |
| Input modalities | Text | Text |
Today's Pareto frontier
Against the frontier
- DeepSeek V4 Flash 0420 (Max) is off the frontier: at the same or lower cost, GPT-6 Luna (Max) scores 38.10 for $122.
- LongCat 2.0 is off the frontier: at the same or lower cost, GPT-6.1 Sol (High) scores 50.20 for $521.
DeepSeek V4 Flash 0420 (Max)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/deepseek-v4-flash-0420/longcat-2-0 · Markdown: /api/v1/compare/deepseek-v4-flash-0420/longcat-2-0?format=md · llms.txt · agent skill