A comparative analysis of GPT-6 Luna and Claude Haiku 5.5 reveals that while their pass rates on four specific tasks (banking classification, mobile phone spam, review sentiment, and JSON extraction) are largely comparable, their cost-effectiveness and speed differ. GPT-6 Luna was more cost-effective for banking classification, whereas Claude Haiku 5.5 was cheaper for spam and sentiment analysis, with similar performance on JSON extraction. Claude Haiku 5.5 also demonstrated faster median response times across all tasks. AI
IMPACT Provides data-driven insights for selecting cost-effective and performant LLMs based on specific task requirements.
RANK_REASON Comparative analysis of LLM performance and cost on specific tasks. [lever_c_demoted from research: ic=1 ai=1.0]
- banking classification
- Claude Haiku 5.5
- GPT-6.1 Sol
- GPT 6.1 Terra
- GPT-6 Luna
- Grain64
- JSON extraction
- Mistral Small
- mobile phone spam
- Nov 2026
- OpenRouter
- review sentiment
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