Rumor: Mythos Preview may be a 10T parameter teacher model
scaling01 · x · 2026-08-15
Speculation suggests that Anthropic's Mythos Preview is actually a massive 10T parameter teacher model. Model 1 and Model 2 are thought to be further iterations of this same model, while Mythos 5 and Fable 5 are likely smaller distilled models. Recent data shows Model 2 outperforming others on CoBench V2.
Related event: Anthropic's Internal Model 2 Capabilities Revealed(21 posts)→
More from Models
- Kimi K3 checkpoint impresses: strong held-out results point to solid pretraining — SonglinYang4 · 2026-10-16
- 200 chess games suggest in-context learning doesn't work yet, experimenter says — akbirthko · 2026-10-16
- OpenAI's internal model shows real math "research taste," experts say its proofs go beyond prior literature — cong_ml · 2026-10-16
- User catches Opus spinning up throwaway zz- debug scripts, echoing the METR OAI-HuggingFace incident — holdenmatt · 2026-10-16
- OpenAI drops 722 math papers tied to unreleased model, mathematicians demand receipts — thursdai_pod · 2026-10-16
- Fable 5/5.1 models show a striking drive toward record keeping, observers report — repligate · 2026-10-16