Claude Haiku 5.5 (Low) vs GPT-6 Luna (Non-reasoning)
Which is better for the money: Claude Haiku 5.5 (Low) by Anthropic or GPT-6 Luna (Non-reasoning) 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 (Low) scores 11.0 points higher (29.5 vs 18.5) but costs 1.8× as much to run the benchmark ($34.3 vs $19.2; both budget class). Pick Claude Haiku 5.5 (Low) when the extra intelligence is worth the premium, otherwise GPT-6 Luna (Non-reasoning).
| Metric | Claude Haiku 5.5 (Low) | GPT-6 Luna (Non-reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 29.5 | 18.5 | −37.3% GPT-6 Luna (Non-reaso… is 37.3% less intelligent |
| Total AA cost (lower is better) | $34.31 | $19.16 | −44.2% GPT-6 Luna (Non-reaso… is 44.2% cheaper |
| End-to-end time (lower is better) | 10.81s | 5.06s | −53.2% GPT-6 Luna (Non-reaso… is 53.2% faster |
| Price per 1M tokens (in / out) | $0.10 / $0.50 | $0.10 / $0.50 | |
| Input modalities | Text, Image | Text, Image |
GPT-6 Luna (Non-reasoning) vs Claude Haiku 5.5 (Low): 37.3% less intelligence, 44.2% less cost to run the AA benchmark, and 53.2% faster end-to-end.
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-6 Luna (Non-reasoning) is off the frontier: at the same or lower cost, GPT-6 Luna (Low) scores 21.50 for $10.6.
Claude Haiku 5.5 (Low)GPT-6 Luna (Non-reasoning)Today's Pareto frontierEvery other model
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