Claude Haiku 5.5 (Xhigh) vs gpt-oss-120b (High)
Which is better for the money: Claude Haiku 5.5 (Xhigh) by Anthropic or gpt-oss-120b (High) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-27.
Trade-off
Verdict
Depends on your budget
Claude Haiku 5.5 (Xhigh) scores 29.6 points higher (41.2 vs 11.6) but costs 1.3× as much to run the benchmark ($158 vs $123; both mid-range class). Pick Claude Haiku 5.5 (Xhigh) when the extra intelligence is worth the premium, otherwise gpt-oss-120b (High).
| Metric | Claude Haiku 5.5 (Xhigh) | gpt-oss-120b (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 41.2 | 11.6 | −71.8% gpt-oss-120b (High) is 71.8% less intelligent |
| Total AA cost (lower is better) | $157.58 | $122.71 | −22.1% gpt-oss-120b (High) is 22.1% cheaper |
| End-to-end time (lower is better) | 69.98s | 10.75s | −84.6% gpt-oss-120b (High) is 84.6% faster |
| Price per 1M tokens (in / out) | $0.10 / $0.50 | $0.15 / $0.60 | |
| Input modalities | Text, Image | Text |
gpt-oss-120b (High) vs Claude Haiku 5.5 (Xhigh): 71.8% less intelligence, 22.1% less cost to run the AA benchmark, and 84.6% faster end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Haiku 5.5 (Xhigh) is on today's frontier: nothing is both smarter and cheaper.
- gpt-oss-120b (High) is off the frontier: at the same or lower cost, GPT-6 Luna (Max) scores 38.10 for $122.
Claude Haiku 5.5 (Xhigh)gpt-oss-120b (High)Today's Pareto frontierOpen-weights frontierEvery other model
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