Claude 4.5 Haiku (Reasoning) vs Claude Opus 5 (Xhigh)
Which is better for the money: Claude 4.5 Haiku (Reasoning) by Anthropic or Claude Opus 5 (Xhigh) by Anthropic? 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
Claude Opus 5 (Xhigh) scores 32.8 points higher (49.7 vs 16.9) but costs 9.9× as much to run the benchmark ($5868 vs $594; flagship vs premium cost classes). They are not alternatives at one budget: pick Claude Opus 5 (Xhigh) when you need intelligence above 16.9, and Claude 4.5 Haiku (Reasoning) when 16.9 is enough.
| Metric | Claude 4.5 Haiku (Reasoning) | Claude Opus 5 (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 16.9 | 49.7 | +194.1% Claude Opus 5 (Xhigh) is 2.9× more intelligent |
| Total AA cost (lower is better) | $594.08 | $5,867.76 | +887.7% Claude Opus 5 (Xhigh) is 9.9× more expensive |
| End-to-end time (lower is better) | 24.38s | 35.31s | +44.8% Claude Opus 5 (Xhigh) is 44.8% slower |
| Price per 1M tokens (in / out) | $1.00 / $5.00 | $5.00 / $25.0 | |
| Input modalities | Text, Image | Text, Image |
Claude Opus 5 (Xhigh) vs Claude 4.5 Haiku (Reasoning): 194.1% more intelligence, 887.7% more cost to run the AA benchmark, and 44.8% slower end-to-end.
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.
- Claude Opus 5 (Xhigh) is off the frontier: at the same or lower cost, Claude Opus 5.5 (Xhigh, Default Fallback) scores 56.00 for $4057.
Claude 4.5 Haiku (Reasoning)Claude Opus 5 (Xhigh)Today's Pareto frontierEvery other model
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