Claude Haiku 5.5 (Low) vs GPT-5.6 Sol (Xhigh)
Which is better for the money: Claude Haiku 5.5 (Low) by Anthropic or GPT-5.6 Sol (Xhigh) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Trade-off
Verdict
Depends on your budget
GPT-5.6 Sol (Xhigh) scores 14.5 points higher (44.0 vs 29.5) but costs 61× as much to run the benchmark ($2082 vs $34.3; flagship vs budget cost classes). They are not alternatives at one budget: pick GPT-5.6 Sol (Xhigh) 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 Sol (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 29.5 | 44.0 | +49.2% GPT-5.6 Sol (Xhigh) is 49.2% more intelligent |
| Total AA cost (lower is better) | $34.31 | $2,082.28 | +5969.0% GPT-5.6 Sol (Xhigh) is 61× more expensive |
| End-to-end time (lower is better) | 11.45s | 69.10s | +503.5% GPT-5.6 Sol (Xhigh) is 503.5% slower |
| Price per 1M tokens (in / out) | $0.10 / $0.50 | $4.00 / $20.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-5.6 Sol (Xhigh) vs Claude Haiku 5.5 (Low): 49.2% more intelligence, 5969.0% more cost to run the AA benchmark, and 503.5% slower 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 Sol (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
Claude Haiku 5.5 (Low)GPT-5.6 Sol (Xhigh)Today's Pareto frontierEvery other model
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