Claude 4.5 Haiku (Reasoning) vs Claude Haiku 5.5 (Low)
Which is better for the money: Claude 4.5 Haiku (Reasoning) by Anthropic or Claude Haiku 5.5 (Low) by Anthropic? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Clear winner
Verdict
Pick Claude Haiku 5.5 (Low)
Claude Haiku 5.5 (Low) vs Claude 4.5 Haiku (Reasoning): 74.6% more intelligence, 93.7% less cost to run the AA benchmark, and 51.7% faster end-to-end.
| Metric | Claude 4.5 Haiku (Reasoning) | Claude Haiku 5.5 (Low) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 16.9 | 29.5 | +74.6% Claude Haiku 5.5 (Low) is 74.6% more intelligent |
| Total AA cost (lower is better) | $546.96 | $34.31 | −93.7% Claude Haiku 5.5 (Low) is 93.7% cheaper |
| End-to-end time (lower is better) | 23.69s | 11.45s | −51.7% Claude Haiku 5.5 (Low) is 51.7% faster |
| Price per 1M tokens (in / out) | $1.00 / $5.00 | $0.10 / $0.50 | |
| 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.
- Claude Haiku 5.5 (Low) is off the frontier: at the same or lower cost, GPT-6 Luna (Medium) scores 29.90 for $31.2.
Claude 4.5 Haiku (Reasoning)Claude Haiku 5.5 (Low)Today's Pareto 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/claude-haiku-5-5-low · Markdown: /api/v1/compare/claude-4-5-haiku-reasoning/claude-haiku-5-5-low?format=md · llms.txt · agent skill