DeepSeek V4 Flash 0420 (Max) vs Grok 4.3 (High)
Which is better for the money: DeepSeek V4 Flash 0420 (Max) by DeepSeek or Grok 4.3 (High) by SpaceXAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Trade-off
Verdict
Depends on your budget
Grok 4.3 (High) scores 0.7 points higher (24.9 vs 24.2) but costs 2.4× as much to run the benchmark ($363 vs $149; both mid-range class). Pick Grok 4.3 (High) when the extra intelligence is worth the premium, otherwise DeepSeek V4 Flash 0420 (Max).
| Metric | DeepSeek V4 Flash 0420 (Max) | Grok 4.3 (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 24.2 | 24.9 | +2.9% Grok 4.3 (High) is 2.9% more intelligent |
| Total AA cost (lower is better) | $149.48 | $363.24 | +143.0% Grok 4.3 (High) is 2.4× more expensive |
| End-to-end time (lower is better) | 116.79s | 24.88s | −78.7% Grok 4.3 (High) is 78.7% faster |
| Price per 1M tokens (in / out) | $0.11 / $0.23 | $1.25 / $2.50 | |
| Input modalities | Text | Text, Image |
Grok 4.3 (High) vs DeepSeek V4 Flash 0420 (Max): 2.9% more intelligence, 143.0% more cost to run the AA benchmark, and 78.7% faster end-to-end.
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.
- Grok 4.3 (High) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 47.80 for $361.
DeepSeek V4 Flash 0420 (Max)Grok 4.3 (High)Today'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/grok-4-3 · Markdown: /api/v1/compare/deepseek-v4-flash-0420/grok-4-3?format=md · llms.txt · agent skill