Claude Sonnet 5.5 (High, Default Fallback) vs DeepSeek V4 Pro 0813 (Non-reasoning)
Which is better for the money: Claude Sonnet 5.5 (High, Default Fallback) by Anthropic or DeepSeek V4 Pro 0813 (Non-reasoning) by DeepSeek? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-27.
Depends on your budget
Claude Sonnet 5.5 (High, Default Fallba… scores 26.4 points higher (46.8 vs 20.4) but costs 2.3× as much to run the benchmark ($1027 vs $451; premium vs mid-range cost classes). Pick Claude Sonnet 5.5 (High, Default Fallba… when the extra intelligence is worth the premium, otherwise DeepSeek V4 Pro 0813 (Non-reasoning).
| Metric | Claude Sonnet 5.5 (High, Default Fallback) | DeepSeek V4 Pro 0813 (Non-reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 46.8 | 20.4 | −56.4% DeepSeek V4 Pro 0813 … is 56.4% less intelligent |
| Total AA cost (lower is better) | $1,027.40 | $450.76 | −56.1% DeepSeek V4 Pro 0813 … is 56.1% cheaper |
| End-to-end time (lower is better) | 16.58s | 6.36s | −61.6% DeepSeek V4 Pro 0813 … is 61.6% faster |
| Price per 1M tokens (in / out) | $2.00 / $10.0 | $1.32 / $3.96 | |
| Input modalities | Text, Image | Text |
DeepSeek V4 Pro 0813 (Non-reasoning) vs Claude Sonnet 5.5 (High, Default Fallback): 56.4% less intelligence, 56.1% less cost to run the AA benchmark, and 61.6% faster end-to-end.
Against the frontier
- Claude Sonnet 5.5 (High, Default Fallback) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
- DeepSeek V4 Pro 0813 (Non-reasoning) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 47.80 for $361.
Compare something else
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-sonnet-5-5-high/deepseek-v4-pro-non-reasoning · Markdown: /api/v1/compare/claude-sonnet-5-5-high/deepseek-v4-pro-non-reasoning?format=md · llms.txt · agent skill