For the first time, OpenAI isn't shipping one model with thinking dials. GPT-5.6 comes as three genuinely separate LLMs—Sol, Terra, and Luna—with different training, different pricing, and different capability ceilings. The comparison that matters is Sol against Claude Fable 5, Anthropic's most capable public model right now.Sol costs $5 per million input tokens and $30 output. Fable 5 is $10 and $50—twice as expensive, now losing on several benchmarks developers actually route work through. Luna, the cheapest of the three at $1 input and $6 output, already outranks Anthropic's Opus 4.8 on coding. That last detail becomes the real problem on July 19.Fable 5 has had a rough month. The U.S. government banned it on June 12 after Amazon researchers found a jailbreak that turned the model into an unintended vulnerability scanner. Anthropic pulled it globally for 19 days, built a new safety classifier, and brought it back July 1 with a compressed access window.Since its return, the model has been running on borrowed deadlines. Anthropic planned to move it behind a usage-credits paywall on July 7, then pushed to July 12, now July 19. Each extension was announced hours before the cutoff, never via a formal post.