Z.ai releases GLM-5.1, a 754B-parameter Mixture-of-Experts model that it says outperforms GPT-5.4 and Opus 4.6 on SWE-Bench Pro, available under an MIT license
Is China picking back up the open source AI baton? — Z.ai, also known as Zhupai AI, a Chinese AI startup best known for its powerful …
Z.ai releases GLM-5.1, a 754B-parameter model that it says outperforms GPT-5.4 and Claude Opus 4.6 on SWE-bench Pro, available under an MIT license
Is China picking back up the open source AI baton? — Z.ai, also known as Zhupai AI, a Chinese AI startup best known for its powerful …
Claude Opus 4.6 and Sonnet 4.6 now offer a 1M context window at standard pricing; it is the default for Claude Code Max, Team, and Enterprise users on Opus 4.6
Standard pricing now applies across the full 1M window for both models, with no long-context premium. Media limits expand to 600 images or PDF pages.
Claude Opus 4.6 and Sonnet 4.6 now offer a 1M context window at standard pricing; it is the default for Claude Code Max, Team, and Enterprise users on Opus 4.6
Standard pricing now applies across the full 1M window for both models, with no long-context premium. Media limits expand to 600 images or PDF pages.
Mozilla says Claude Opus 4.6 found 100+ bugs in Firefox in two weeks in January, 14 of them high-severity, more than the bugs typically reported in two months
Mozilla says Claude Opus 4.6 found 100+ bugs in Firefox in two weeks in January, 14 of them high-severity, more than the bugs typically reported in two months
New AI-powered tools are increasingly adept at spotting flaws. Hacking experts worry they will be good at exploiting them, too.
GPT-5.3-Codex and Claude Opus 4.6 can meaningfully contribute to the improvement of AI models, a sign of what's coming for most knowledge work within five years
Think back to February 2020. — If you were paying close attention, you might have noticed a few people talking about a virus spreading overseas.
Anthropic rolls out a fast mode for Claude Opus 4.6 in research preview, saying it offers the same model quality at 2.5x faster but costs 6x more
excited that we're making it available outside Anthropic too.Dean W. Ball /@deanwball:I would like to know more about the experimental Claude scaffold that caused Opus 4.6 to more than double its perf...
Anthropic rolls out a fast mode for Claude Opus 4.6 in research preview, saying it offers the same model quality 2.5 times faster but costs six times more
Opus is usually $5/million input and $25/million output. The new fast mode is $30/million input and $150/million output!
Anthropic says it found that Opus 4.6 “brings more focus to the most challenging parts of a task without being told to” and “often thinks more deeply”
Last Friday they dropped domain-specific plugins for Cowork (sales, marketing, legal, finance). …Magnus Oxenwaldt:Anthropic just dropped Claude Opus 4.6. — Here's why it matters for enterprise AI. ...