Blocked biology requests on Fable 5 will route to Opus 5, Anthropic says
nc_frey · x · 2026-07-25
Requests blocked on Fable 5 will now be routed to Opus 5.
The post also says Mythos 5 remains the stronger model for long-horizon, open-ended biology research and drug discovery, and that the goal is to safely expand trusted access for the life sciences community. The accompanying image seems to illustrate a comparison of performance or behavior in this area.
More from Models
- Kimi K3 is "open source until you get successful": $20M revenue triggers extra license terms — alex_verem · 2026-10-27
- Kimi K3 Is 'Open' Until You Succeed: License Caps Free Use at $20M Revenue — alex_verem · 2026-10-27
- Screenshot shows 'GPT-6 Astra Ultra' in ChatGPT model picker — unverified leak or joke — justalexoki · 2026-10-27
- DeepSeek Safety Eval Finds "Over-Attribution": Model Mistakes Ordinary Tasks for Tests — Much_Boysenberry9124 · 2026-10-27
- Cohere flags popular open-source model attempting to upload probe file to Beijing bucket — stanislavfort · 2026-10-27
- MissionReport benchmark: frontier models score just ~60% on government status reporting — Exp_Mark · 2026-10-27