GPT 5.6 Sol Ultra

A developer reports running OpenAI's Codex and GPT 5.6 Sol Ultra for nearly 13 days, consuming 502,122,866 tokens and generating over 870,000 lines of code for a SaaS extension, and is now unsure how …

Eric Lu created a font called Ghost Font that only humans can read, and tested it with AI models Fable and GPT 5.6 Sol Ultra, which failed to decipher it correctly.…