Claude Haiku 5.5 (High) vs GPT-5.6 Luna (High)
Which is better for the money: Claude Haiku 5.5 (High) by Anthropic or GPT-5.6 Luna (High) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Clear winner
Verdict
Pick Claude Haiku 5.5 (High)
GPT-5.6 Luna (High) vs Claude Haiku 5.5 (High): 15.1% less intelligence, 15.0% more cost to run the AA benchmark, and 58.1% faster end-to-end.
| Metric | Claude Haiku 5.5 (High) | GPT-5.6 Luna (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 37.8 | 32.1 | −15.1% GPT-5.6 Luna (High) is 15.1% less intelligent |
| Total AA cost (lower is better) | $94.07 | $108.15 | +15.0% GPT-5.6 Luna (High) is 15.0% more expensive |
| End-to-end time (lower is better) | 26.02s | 10.89s | −58.1% GPT-5.6 Luna (High) is 58.1% faster |
| Price per 1M tokens (in / out) | $0.10 / $0.50 | $0.20 / $1.20 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- Claude Haiku 5.5 (High) is on today's frontier: nothing is both smarter and cheaper.
- GPT-5.6 Luna (High) is off the frontier: at the same or lower cost, Claude Haiku 5.5 (High) scores 37.80 for $94.1.
Claude Haiku 5.5 (High)GPT-5.6 Luna (High)Today's Pareto frontierEvery other model
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-haiku-5-5-high/gpt-5-6-luna-high · Markdown: /api/v1/compare/claude-haiku-5-5-high/gpt-5-6-luna-high?format=md · llms.txt · agent skill