Claude Haiku 5.5 (Medium) vs GPT-5.6 Terra (Low)
Which is better for the money: Claude Haiku 5.5 (Medium) by Anthropic or GPT-5.6 Terra (Low) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-27.
Clear winner
Verdict
Pick Claude Haiku 5.5 (Medium)
GPT-5.6 Terra (Low) vs Claude Haiku 5.5 (Medium): 20.3% less intelligence, 521.6% more cost to run the AA benchmark, and 65.1% faster end-to-end.
| Metric | Claude Haiku 5.5 (Medium) | GPT-5.6 Terra (Low) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 34.5 | 27.5 | −20.3% GPT-5.6 Terra (Low) is 20.3% less intelligent |
| Total AA cost (lower is better) | $56.36 | $350.36 | +521.6% GPT-5.6 Terra (Low) is 6.2× more expensive |
| End-to-end time (lower is better) | 15.74s | 5.49s | −65.1% GPT-5.6 Terra (Low) is 65.1% faster |
| Price per 1M tokens (in / out) | $0.10 / $0.50 | $2.00 / $12.0 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- Claude Haiku 5.5 (Medium) is on today's frontier: nothing is both smarter and cheaper.
- GPT-5.6 Terra (Low) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
Claude Haiku 5.5 (Medium)GPT-5.6 Terra (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-haiku-5-5-medium/gpt-5-6-terra-low · Markdown: /api/v1/compare/claude-haiku-5-5-medium/gpt-5-6-terra-low?format=md · llms.txt · agent skill