OpenAI's latest model, GPT-5.6 Sol, has achieved a score of 59 points on the Artificial Analysis Intelligence Index, just one point shy of Anthropic's Claude Fable 5, according to The Decoder. This places GPT-5.6 Sol among the top performers in AI analysis benchmarks.
In addition to its strong performance, GPT-5.6 Sol operates at a significantly lower cost, with an expense of $1.04 per task—roughly one-third the price of Anthropic's leading model. The Decoder also highlighted that GPT-5.6 Sol outperforms all competitors in agentic coding tasks, underscoring its efficiency in complex AI-driven coding applications.
For Japanese markets, where cost-efficiency and cutting-edge AI capabilities are crucial for competitive trading strategies and system automation, GPT-5.6 Sol's balance of performance and affordability could influence future adoption in FX, crypto, and equities sectors.