OpenAI's new GPT-5.6-sol model now shares the top spot in Code Arena: Frontend with Claude Fable 5, marking its first time at #1 in this benchmark. The model also leads in Data & Analytics, Brand Marketing, Consumer Product, and Gaming categories. GPT-5.6-sol is priced at $5/$30 per million input/output tokens, making it roughly two times cheaper than Claude Fable 5.
OpenAI's new model offers superior coding performance at a significantly lower price, increasing competitive pressure on Anthropic's Claude Fable 5.