Anthropic Has Finished Training Mythos 2 But Does Not Currently Plan To Release It. Focus Is Now On Internal Improvements.

Reddit r/singularity 08/17/26, 08:21 PM Models

anthropic mythos-2 training-complete no-release internal-improvements competition

Summary

Anthropic has finished training Mythos 2 but will not release it to prevent distillation by Chinese companies, instead focusing on internal improvements for Mythos 3 while maintaining a competitive edge with rivals like OpenAI.

https://x.com/kimmonismus/status/2089436090885185698 Anthropics Mythos 2 is done training and Anthropic won't release it, but the internal loop that builds Mythos 3 hasn't stopped, Patel says. The focus now is on internal improvements. It's unclear when we'll see any releases. They just do not want to release it so that Chinese companies are not able to distill from it. Despite all the rave about GPT 5.6 Sol, Claude Fable 5 is still the most intelligent publically released model. At this rate, it's likely Anthropic will only release a better model to the public If/When Open AI releases a model that is clearly smarter than Fable 5. It's like a race. If you're ahead of the competition, there's no need to step on the gas, unless the competitor is about to overtake you.

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