DeepSeek V4 Flash 0420 (High) vs GPT-6 Sol (Medium)
Which is better for the money: DeepSeek V4 Flash 0420 (High) by DeepSeek or GPT-6 Sol (Medium) by OpenAI? 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
GPT-6 Sol (Medium) scores 15.4 points higher (39.8 vs 24.4) but costs 3.4× as much to run the benchmark ($416 vs $121; both mid-range class). They are not alternatives at one budget: pick GPT-6 Sol (Medium) when you need intelligence above 24.4, and DeepSeek V4 Flash 0420 (High) when 24.4 is enough.
| Metric | DeepSeek V4 Flash 0420 (High) | GPT-6 Sol (Medium) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 24.4 | 39.8 | +63.1% GPT-6 Sol (Medium) is 63.1% more intelligent |
| Total AA cost (lower is better) | $121.20 | $416.32 | +243.5% GPT-6 Sol (Medium) is 3.4× more expensive |
| End-to-end time (lower is better) | Not reported | Not reported | — not comparable |
| Price per 1M tokens (in / out) | $0.11 / $0.23 | $2.00 / $10.0 | |
| Input modalities | Text | Text, Image |
GPT-6 Sol (Medium) vs DeepSeek V4 Flash 0420 (High): 63.1% more intelligence, 243.5% 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.
- GPT-6 Sol (Medium) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 47.80 for $361.
DeepSeek V4 Flash 0420 (High)GPT-6 Sol (Medium)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/gpt-6-sol-medium · Markdown: /api/v1/compare/deepseek-v4-flash-0420-high/gpt-6-sol-medium?format=md · llms.txt · agent skill