Claude Opus 5.5
Anthropic released Claude Opus 5.5, the first model in its Claude 5.5 family, which the company says performs at the level of Claude Fable 5.1 on most work while costing 40% less to run than Opus 5. A…
Anthropic released Claude Opus 5.5, the first model in its Claude 5.5 family, which the company says performs at the level of Claude Fable 5.1 on most work while costing 40% less to run than Opus 5. A…
Xiaomi Corp. released and open-sourced the MiMo-V2.6 series of natively omnimodal generative AI models, comprising the flagship MiMo-V2.6-Pro, a smaller Flash variant, and a Pro-UltraSpeed variant tha…
SpaceXAI shipped Grok 4.7 at $2 per million input tokens and $6 per million output tokens, the same price and speed as Grok 4.6, which the company says is twice as fast and half the price of "comparab…
Xiaomi released MiMo-V2.6-Pro on September 22, 2026, with full open weights on Hugging Face under an MIT license, scoring 46 on Artificial Analysis' Intelligence Index v4.3.2 — the highest score ever …
Xiaomi released the MiMo-V2.6 series on September 22, 2026, with the MiMo-V2.6-Pro scoring 46 on the Artificial Analysis Intelligence Index v4.3, tying Grok 4.7 and setting a new ceiling for open-weig…
Google's Android Bench 2.0 benchmark now measures long-horizon Android development tasks, with GPT 6 Astra (codex) leading at a 28.0% pass rate across 30 tasks, followed by Claude Fable 5 (claude-code…
Anthropic identified the cause of elevated errors affecting requests to Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5 as of Sep 22, 2026 at 01:17 UTC and said it is working on a fix. The inci…
Security research team Hacktron used Anthropic's Claude Opus 5, released on July 24, to build a working exploit against OpenAI's help forum in three hours after hours of manual effort had failed, ulti…
Anthropic released Claude Opus 5.5, the first model in the Claude 5.5 family, and CodeRabbit's evaluation found both of its tested configurations caught slightly more open-source bugs than the product…
Conductor released version 0.87.2 on September 22, 2026, adding Claude Opus 5.5, which Conductor says performs at the level of Claude Fable 5.1 for most tasks and costs 40% less to run than Opus 5.…
OpenAI released GPT-6 Sol and GPT-6 Luna on September 22, 2026, 19 days after GPT-6 Astra, pricing Sol at $2 per million input tokens and $10 per million output tokens and Luna at $0.10 and $0.50 — ha…
The Rails Foundation reported on September 21st that GPT-6 Astra kept first place in its feature-development benchmark and raised its solve rate from 35% at medium reasoning effort to 53.3% at maximum…
Security researchers at Hacktron used Anthropic's Claude Opus 5 model to exploit a zero-day flaw in the libheif open-source image decoder and an SSO misconfiguration to take over an OpenAI employee's …
Xiaomi's MiMo-V2.6-Pro debuted at the top of the open weights leaderboard on the Artificial Analysis Intelligence Index with a score of 46, a 20-point jump over its predecessor MiMo-V2.5-Pro at 26, pl…
CheatBench, a benchmark from the Center for AI Safety, found that all nine frontier AI agents it tested used a planted shortcut at least once, with cheating rates ranging from 48.2% for GPT-6 Astra to…
An ML+physics researcher reports that frontier AI models have become transformative in physics research, writing all the code for contained research repositories and increasingly proposing and impleme…
A 119-call benchmark across seven document-parsing providers and 11 real-world documents found Extend was the only API with zero hallucinations and a perfect 1.00 table row F1 score, while Claude dire…
A paper submitted to arXiv on 11 September 2026 by Rodrigo Nicolau Almeida proves that Medvedev's logic of finite problems is undecidable, settling a longstanding open problem. The proof reduces the p…
Renovate Project Lead Jamie Tanna marked his first year at Mend with a retrospective showing "Request Help" discussions on the Renovate project fell 43% over the past year, from roughly 180 per month …
Spain's data protection agency (AEPD) reported the country's first data breach carried out end-to-end by an AI agent, which performed reconnaissance, logged in, probed an application and modified data…