{"slug": "anthropic-rsi-is-here-metr-reports-ant-likely-hits-2x-rsp-acceleration-limit", "title": "Anthropic RSI is here? METR reports ANT likely hits 2x RSP acceleration limit", "summary": "METR reports that Anthropic has probably hit the 2x acceleration threshold under its Responsible Scaling Policy and may now be running as high as 3x, citing a new internal Anthropic model METR calls Model 4 that finished training last month and is the first model in METR's analyzed set to clear 50% on every benchmark it was tested on. METR estimates that a majority — perhaps about 80% — of the current acceleration as of October 2026 is due to AI, and the report ties the findings to Anthropic's earlier disclosure of a dramatic acceleration in AI R&D.", "body_md": "Andrew Curran on X: \"Anthropic has a new internal model that finished training last month. METR refers to it as Model 4 (Anthropic has its own internal codename). It is the highest-scoring model in the set METR analyzed, and it is the first to clear 50% on every benchmark it was tested on.\" / X\n\nAndrew Curran on X: \"Anthropic has a new internal model that finished training last month. METR refers to it as Model 4 (Anthropic has its own internal codename). It is the highest-scoring model in the set METR analyzed, and it is the first to clear 50% on every benchmark it was tested on.\"\n\nAnthropic has a new internal model that finished training last month. METR refers to it as Model 4 (Anthropic has its own internal codename). It is the highest-scoring model in the set METR analyzed, and it is the first to clear 50% on every benchmark it was tested on.\n\nMETR says Anthropic has probably hit the 2x Responsible Scaling Policy acceleration threshold, and may now be running as high as 3x! 'We guess that a majority (perhaps ≈80%) of the current (October 2026) acceleration is due to AI.'\n\nAnthropic has a new internal model that finished training last month. METR refers to it as Model 4 (Anthropic has its own internal codename). It is the highest-scoring model in the set METR analyzed, and it is the first to clear 50% on every benchmark it was tested on.\n\nMETR says Anthropic has probably hit the 2x Responsible Scaling Policy acceleration threshold, and may now be running as high as 3x! 'We guess that a majority (perhaps ≈80%) of the current (October 2026) acceleration is due to AI.'\n\nQuoting from the report:\n'The plot below shows all benchmark scores for frontier models in the AECI, scaled on a log-odds scale, implying that they should evolve linearly with a model’s latent AECI score (if the logistic assumption holds). The highlighted lines represent the 15Show more\n\nMETR's report has a ton of details on Anthropic's internal models, including \"Model 4\", which finished training in September-October:\n- We now know where Anthropic got evidence on the \"dramatic acceleration of AI R&D\" disclosure.\nMETR: \"As of October 2026, Anthropic is likely", "url": "https://wpnews.pro/news/anthropic-rsi-is-here-metr-reports-ant-likely-hits-2x-rsp-acceleration-limit", "canonical_source": "https://twitter.com/AndrewCurran_/status/2118433070428852592", "published_at": "2026-11-06 05:47:40+00:00", "updated_at": "2026-11-06 06:20:44.905941+00:00", "lang": "en", "topics": ["ai-safety", "ai-policy", "ai-research", "artificial-intelligence"], "entities": ["Anthropic", "METR", "Model 4", "Andrew Curran", "Responsible Scaling Policy", "AECI"], "also_reported_by": [], "alternates": {"html": "https://wpnews.pro/news/anthropic-rsi-is-here-metr-reports-ant-likely-hits-2x-rsp-acceleration-limit", "markdown": "https://wpnews.pro/news/anthropic-rsi-is-here-metr-reports-ant-likely-hits-2x-rsp-acceleration-limit.md", "text": "https://wpnews.pro/news/anthropic-rsi-is-here-metr-reports-ant-likely-hits-2x-rsp-acceleration-limit.txt", "jsonld": "https://wpnews.pro/news/anthropic-rsi-is-here-metr-reports-ant-likely-hits-2x-rsp-acceleration-limit.jsonld"}}