AnalysisAI ModelsJuly 9, 2026
GPT-5.6 Sol achieves Opus 4.8 performance at 40% cost
Reddit user reports GPT-5.6 Sol matches Opus 4.8 performance at 40% cost on Senior SWE-bench. Also notes Grok 4.5 achieves GPT-5.5 performance at 25% cost.
Reddit user reports GPT-5.6 Sol matches Opus 4.8 performance at 40% cost on Senior SWE-bench. Also notes Grok 4.5 achieves GPT-5.5 performance at 25% cost.