Claude 4.5 Haiku (Reasoning) vs GPT-5.4 nano (Xhigh)
Which is better for the money: Claude 4.5 Haiku (Reasoning) by Anthropic or GPT-5.4 nano (Xhigh) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Clear winner
Verdict
Pick GPT-5.4 nano (Xhigh)
GPT-5.4 nano (Xhigh) vs Claude 4.5 Haiku (Reasoning): 22.5% more intelligence, 44.2% less cost to run the AA benchmark, and 294.3% slower end-to-end.
| Metric | Claude 4.5 Haiku (Reasoning) | GPT-5.4 nano (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 16.9 | 20.7 | +22.5% GPT-5.4 nano (Xhigh) is 22.5% more intelligent |
| Total AA cost (lower is better) | $594.08 | $331.24 | −44.2% GPT-5.4 nano (Xhigh) is 44.2% cheaper |
| End-to-end time (lower is better) | 23.70s | 93.46s | +294.3% GPT-5.4 nano (Xhigh) is 294.3% slower |
| Price per 1M tokens (in / out) | $1.00 / $5.00 | $0.20 / $1.25 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- Claude 4.5 Haiku (Reasoning) is off the frontier: at the same or lower cost, GPT-6.1 Sol (High) scores 50.20 for $521.
- GPT-5.4 nano (Xhigh) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
Claude 4.5 Haiku (Reasoning)GPT-5.4 nano (Xhigh)Today's Pareto frontierEvery other model
Matchup
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