Claude Haiku 5.5 (High) vs GPT-6 Luna (High)
Which is better for the money: Claude Haiku 5.5 (High) by Anthropic or GPT-6 Luna (High) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Trade-off
Verdict
Depends on your budget
Claude Haiku 5.5 (High) scores 4.9 points higher (37.8 vs 32.9) but costs 2.0× as much to run the benchmark ($94.1 vs $47.9; mid-range vs budget cost classes). Pick Claude Haiku 5.5 (High) when the extra intelligence is worth the premium, otherwise GPT-6 Luna (High).
| Metric | Claude Haiku 5.5 (High) | GPT-6 Luna (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 37.8 | 32.9 | −13.0% GPT-6 Luna (High) is 13.0% less intelligent |
| Total AA cost (lower is better) | $94.07 | $47.85 | −49.1% GPT-6 Luna (High) is 49.1% cheaper |
| End-to-end time (lower is better) | 26.02s | 12.43s | −52.2% GPT-6 Luna (High) is 52.2% faster |
| Price per 1M tokens (in / out) | $0.10 / $0.50 | $0.10 / $0.50 | |
| Input modalities | Text, Image | Text, Image |
GPT-6 Luna (High) vs Claude Haiku 5.5 (High): 13.0% less intelligence, 49.1% less cost to run the AA benchmark, and 52.2% 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-6 Luna (High) is on today's frontier: nothing is both smarter and cheaper.
Claude Haiku 5.5 (High)GPT-6 Luna (High)Today's Pareto frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-haiku-5-5-high/gpt-6-luna-high · Markdown: /api/v1/compare/claude-haiku-5-5-high/gpt-6-luna-high?format=md · llms.txt · agent skill