Claude Haiku 5.5 (High) vs gpt-oss-20b (High)
Which is better for the money: Claude Haiku 5.5 (High) by Anthropic or gpt-oss-20b (High) 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
Claude Haiku 5.5 (High) scores 28.8 points higher (37.8 vs 9.0) but costs 3.3× as much to run the benchmark ($94.1 vs $28.8; mid-range vs budget cost classes). They are not alternatives at one budget: pick Claude Haiku 5.5 (High) when you need intelligence above 9.0, and gpt-oss-20b (High) when 9.0 is enough.
| Metric | Claude Haiku 5.5 (High) | gpt-oss-20b (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 37.8 | 9.0 | −76.2% gpt-oss-20b (High) is 76.2% less intelligent |
| Total AA cost (lower is better) | $94.07 | $28.81 | −69.4% gpt-oss-20b (High) is 69.4% cheaper |
| End-to-end time (lower is better) | 29.02s | 14.42s | −50.3% gpt-oss-20b (High) is 50.3% faster |
| Price per 1M tokens (in / out) | $0.10 / $0.50 | $0.05 / $0.22 | |
| Input modalities | Text, Image | Text |
gpt-oss-20b (High) vs Claude Haiku 5.5 (High): 76.2% less intelligence, 69.4% less cost to run the AA benchmark, and 50.3% faster end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Haiku 5.5 (High) is on today's frontier: nothing is both smarter and cheaper.
- gpt-oss-20b (High) is off the frontier: at the same or lower cost, GPT-6 Luna (Low) scores 21.50 for $10.6.
Claude Haiku 5.5 (High)gpt-oss-20b (High)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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