Claude Haiku 5.5 (Low) vs gpt-oss-120b (High)
Which is better for the money: Claude Haiku 5.5 (Low) by Anthropic or gpt-oss-120b (High) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Clear winner
Verdict
Pick Claude Haiku 5.5 (Low)
gpt-oss-120b (High) vs Claude Haiku 5.5 (Low): 60.7% less intelligence, 257.7% more cost to run the AA benchmark, and 2.3% faster end-to-end.
| Metric | Claude Haiku 5.5 (Low) | gpt-oss-120b (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 29.5 | 11.6 | −60.7% gpt-oss-120b (High) is 60.7% less intelligent |
| Total AA cost (lower is better) | $34.31 | $122.71 | +257.7% gpt-oss-120b (High) is 3.6× more expensive |
| End-to-end time (lower is better) | 11.45s | 11.19s | −2.3% gpt-oss-120b (High) is 2.3% faster |
| Price per 1M tokens (in / out) | $0.10 / $0.50 | $0.15 / $0.60 | |
| Input modalities | Text, Image | Text |
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-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 (Low)gpt-oss-120b (High)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-haiku-5-5-low/gpt-oss-120b · Markdown: /api/v1/compare/claude-haiku-5-5-low/gpt-oss-120b?format=md · llms.txt · agent skill