DeepSeek V4 Flash 0420 (High) vs Grok 4.6 (Xhigh)
Which is better for the money: DeepSeek V4 Flash 0420 (High) by DeepSeek or Grok 4.6 (Xhigh) by SpaceXAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Trade-off
Verdict
Depends on your budget
Grok 4.6 (Xhigh) scores 19.8 points higher (44.2 vs 24.4) but costs 18× as much to run the benchmark ($2242 vs $121; flagship vs mid-range cost classes). They are not alternatives at one budget: pick Grok 4.6 (Xhigh) when you need intelligence above 24.4, and DeepSeek V4 Flash 0420 (High) when 24.4 is enough.
| Metric | DeepSeek V4 Flash 0420 (High) | Grok 4.6 (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 24.4 | 44.2 | +81.1% Grok 4.6 (Xhigh) is 81.1% more intelligent |
| Total AA cost (lower is better) | $121.20 | $2,241.91 | +1749.8% Grok 4.6 (Xhigh) is 18× more expensive |
| End-to-end time (lower is better) | Not reported | 40.33s | — not comparable |
| Price per 1M tokens (in / out) | $0.11 / $0.23 | $2.00 / $6.00 | |
| Input modalities | Text | Text, Image |
Grok 4.6 (Xhigh) vs DeepSeek V4 Flash 0420 (High): 81.1% more intelligence, 1749.8% more cost to run the AA benchmark, and end-to-end time not fully reported.
Today's Pareto frontier
Against the frontier
- DeepSeek V4 Flash 0420 (High) is off the frontier: at the same or lower cost, MiMo-V2.6-Flash scores 37.90 for $110.
- Grok 4.6 (Xhigh) is off the frontier: at the same or lower cost, Claude Opus 5.5 (High, Default Fallback) scores 53.60 for $2172.
DeepSeek V4 Flash 0420 (High)Grok 4.6 (Xhigh)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/deepseek-v4-flash-0420-high/grok-4-6-xhigh · Markdown: /api/v1/compare/deepseek-v4-flash-0420-high/grok-4-6-xhigh?format=md · llms.txt · agent skill