Claude Sonnet 5 (Low) vs DeepSeek V4 Flash 0420 (High)
Which is better for the money: Claude Sonnet 5 (Low) by Anthropic or DeepSeek V4 Flash 0420 (High) by DeepSeek? 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 (High)
DeepSeek V4 Flash 0420 (High) vs Claude Sonnet 5 (Low): 0.4% more intelligence, 81.4% less cost to run the AA benchmark, and end-to-end time not fully reported.
| Metric | Claude Sonnet 5 (Low) | DeepSeek V4 Flash 0420 (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 24.3 | 24.4 | +0.4% DeepSeek V4 Flash 042… is 0.4% more intelligent |
| Total AA cost (lower is better) | $652.70 | $121.20 | −81.4% DeepSeek V4 Flash 042… is 81.4% cheaper |
| End-to-end time (lower is better) | 8.60s | Not reported | — not comparable |
| Price per 1M tokens (in / out) | $2.00 / $10.0 | $0.11 / $0.23 | |
| Input modalities | Text, Image | Text |
Today's Pareto frontier
Against the frontier
- Claude Sonnet 5 (Low) is off the frontier: at the same or lower cost, GPT-6.1 Sol (High) scores 50.20 for $521.
- DeepSeek V4 Flash 0420 (High) is off the frontier: at the same or lower cost, MiMo-V2.6-Flash scores 37.90 for $110.
Claude Sonnet 5 (Low)DeepSeek V4 Flash 0420 (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/claude-sonnet-5-low/deepseek-v4-flash-0420-high · Markdown: /api/v1/compare/claude-sonnet-5-low/deepseek-v4-flash-0420-high?format=md · llms.txt · agent skill