Opus 5.5 is currently being ghost tested through Sonnet 5
This is a AI post classified by Jev as Frontier models (a model release), kept by the AI Radar because it carries real work, not commentary.
Opus 5.5 is currently being ghost tested through Sonnet 5 Anthropic is ghost routing massive context requests to Opus 5.5, testing the 50M token architecture as shown the connection is being hijacked by ‘Aegis 5.5 opus’ also it read a 3M token codebase and started responding in 1.8 seconds
Posted by Qwinah (1k followers) 1 h ago · 0 likes · 196 views · view the original post on X. Kept by the AI Radar as Frontier models.
More AI work like this
- Just discovered CancerBench was also popular on Threads lol — @iScienceLuvr
- Grok 4.7 might be released tomorrow. — @0x0SojalSec
- Anthropic is getting ready to release Opus 5.5 this Tuesday! — @vikktorrrre
- A new model showed up on Arena and it hits hard. The community believes it is Gemini 4… — @ZentrixHQ
- GLM-5.3 FlashX is now available in Hermes Agent through Nous Portal and OpenRouter! — @Teknium
- Nano Banana 2.5 is incoming soon from @GoogleDeepMind. 🔥 — @mark_k
- > YuE2 instrumental mode — @cocktailpeanut
- OpenAI’s newest model, GPT-6 Astra, got so depressed after a creeper upended its… — @IGN
Every post is read and classified by Jev (TypeSafe): what it is, which market it belongs to, and whether the link is a real tool. 35.2k posts from 5k X accounts over the last 14 days, 1.5k tools, 19 markets. Collected every 5 minutes, fully re-ranked every hour — last update 2026-09-21 00:05 UTC. Full method.