Claude 4.5 Haiku (Reasoning) vs DeepSeek V4.1 Flash (Non-reasoning)
Which is better for the money: Claude 4.5 Haiku (Reasoning) by Anthropic or DeepSeek V4.1 Flash (Non-reasoning) by DeepSeek? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Clear winner
Verdict
Pick DeepSeek V4.1 Flash (Non-reasoning)
DeepSeek V4.1 Flash (Non-reasoning) vs Claude 4.5 Haiku (Reasoning): 46.2% more intelligence, 59.8% less cost to run the AA benchmark, and 87.8% faster end-to-end.
| Metric | Claude 4.5 Haiku (Reasoning) | DeepSeek V4.1 Flash (Non-reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 16.9 | 24.7 | +46.2% DeepSeek V4.1 Flash (… is 46.2% more intelligent |
| Total AA cost (lower is better) | $594.08 | $238.91 | −59.8% DeepSeek V4.1 Flash (… is 59.8% cheaper |
| End-to-end time (lower is better) | 23.70s | 2.90s | −87.8% DeepSeek V4.1 Flash (… is 87.8% faster |
| Price per 1M tokens (in / out) | $1.00 / $5.00 | $0.30 / $1.20 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- Claude 4.5 Haiku (Reasoning) is off the frontier: at the same or lower cost, GPT-6.1 Sol (High) scores 50.20 for $521.
- DeepSeek V4.1 Flash (Non-reasoning) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
Claude 4.5 Haiku (Reasoning)DeepSeek V4.1 Flash (Non-reasoning)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/claude-4-5-haiku-reasoning/deepseek-v4-1-flash-non-reasoning · Markdown: /api/v1/compare/claude-4-5-haiku-reasoning/deepseek-v4-1-flash-non-reasoning?format=md · llms.txt · agent skill