Claude Haiku 5.5 (Low) vs GPT-5.6 Terra (High)
Which is better for the money: Claude Haiku 5.5 (Low) by Anthropic or GPT-5.6 Terra (High) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-27.
Trade-off
Verdict
Depends on your budget
GPT-5.6 Terra (High) scores 4.7 points higher (34.2 vs 29.5) but costs 22× as much to run the benchmark ($768 vs $34.3; premium vs budget cost classes). They are not alternatives at one budget: pick GPT-5.6 Terra (High) when you need intelligence above 29.5, and Claude Haiku 5.5 (Low) when 29.5 is enough.
| Metric | Claude Haiku 5.5 (Low) | GPT-5.6 Terra (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 29.5 | 34.2 | +15.9% GPT-5.6 Terra (High) is 15.9% more intelligent |
| Total AA cost (lower is better) | $34.31 | $767.78 | +2137.8% GPT-5.6 Terra (High) is 22× more expensive |
| End-to-end time (lower is better) | 10.81s | 6.53s | −39.6% GPT-5.6 Terra (High) is 39.6% faster |
| Price per 1M tokens (in / out) | $0.10 / $0.50 | $2.00 / $12.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-5.6 Terra (High) vs Claude Haiku 5.5 (Low): 15.9% more intelligence, 2137.8% more cost to run the AA benchmark, and 39.6% faster end-to-end.
Today's Pareto frontier
Against the frontier
- 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.
- GPT-5.6 Terra (High) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
Claude Haiku 5.5 (Low)GPT-5.6 Terra (High)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-haiku-5-5-low/gpt-5-6-terra-high · Markdown: /api/v1/compare/claude-haiku-5-5-low/gpt-5-6-terra-high?format=md · llms.txt · agent skill