Claude Haiku 5.5 (Low) vs GPT-5.6 Sol (Medium)
Which is better for the money: Claude Haiku 5.5 (Low) by Anthropic or GPT-5.6 Sol (Medium) 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 (Medium) scores 9.7 points higher (39.2 vs 29.5) but costs 29× as much to run the benchmark ($997 vs $34.3; premium vs budget cost classes). They are not alternatives at one budget: pick GPT-5.6 Sol (Medium) 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 (Medium) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 29.5 | 39.2 | +32.9% GPT-5.6 Sol (Medium) is 32.9% more intelligent |
| Total AA cost (lower is better) | $34.31 | $997.39 | +2807.0% GPT-5.6 Sol (Medium) is 29× more expensive |
| End-to-end time (lower is better) | 11.13s | 10.81s | −2.9% GPT-5.6 Sol (Medium) is 2.9% faster |
| Price per 1M tokens (in / out) | $0.10 / $0.50 | $4.00 / $20.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-5.6 Sol (Medium) vs Claude Haiku 5.5 (Low): 32.9% more intelligence, 2807.0% more cost to run the AA benchmark, and 2.9% 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 Sol (Medium) 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 Sol (Medium)Today's Pareto frontierEvery other model
Matchup
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