Claude Haiku 5.5 (Medium) vs GPT-5.5 (High)
Which is better for the money: Claude Haiku 5.5 (Medium) by Anthropic or GPT-5.5 (High) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Trade-off
Verdict
Depends on your budget
GPT-5.5 (High) scores 2.5 points higher (37.0 vs 34.5) but costs 61× as much to run the benchmark ($3411 vs $56.4; flagship vs mid-range cost classes). They are not alternatives at one budget: pick GPT-5.5 (High) when you need intelligence above 34.5, and Claude Haiku 5.5 (Medium) when 34.5 is enough.
| Metric | Claude Haiku 5.5 (Medium) | GPT-5.5 (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 34.5 | 37.0 | +7.2% GPT-5.5 (High) is 7.2% more intelligent |
| Total AA cost (lower is better) | $56.36 | $3,410.76 | +5951.7% GPT-5.5 (High) is 61× more expensive |
| End-to-end time (lower is better) | 10.41s | 19.79s | +90.1% GPT-5.5 (High) is 90.1% slower |
| Price per 1M tokens (in / out) | $0.10 / $0.50 | $5.00 / $30.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-5.5 (High) vs Claude Haiku 5.5 (Medium): 7.2% more intelligence, 5951.7% more cost to run the AA benchmark, and 90.1% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Haiku 5.5 (Medium) is on today's frontier: nothing is both smarter and cheaper.
- GPT-5.5 (High) is off the frontier: at the same or lower cost, Kimi K3.1 Pro scores 55.10 for $3117.
Claude Haiku 5.5 (Medium)GPT-5.5 (High)Today's Pareto frontierEvery other model
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-haiku-5-5-medium/gpt-5-5-high · Markdown: /api/v1/compare/claude-haiku-5-5-medium/gpt-5-5-high?format=md · llms.txt · agent skill