Tuesday, 21 July 2026 Sign in

Introducing Grok 4.5

TLDR Dev 9 July 2026, 11:14 ● Covered by 5 sources

xAI released Grok 4.5, an AI model designed to handle coding, agentic tasks, and knowledge work. The article provides no performance benchmarks, specific capabilities, release date, or technical specifications to evaluate the model's advancement claims. Grok 4.5 becomes available as xAI's latest offering in the large language model market.

Why it matters

Grok 4.5 is the latest and most advanced model by SpaceXAI, designed to excel at coding, agentic tasks, and knowledge work.

Read the full story at TLDR Dev

Also covered by

Agentic AI

Every AI story that matters,
in your inbox by 8am.

TLDRocket reads 60+ sources, removes duplicate coverage, and summarises the day in two minutes. Free, no spam, unsubscribe anytime.

TLDRocket 21 July 2026

The open-weight AI model market hit an inflection point today as Alibaba and Kimi released trillion-parameter competitors that challenge the closed-model orthodoxy—just as Washington moved to restrict them. Alibaba's Qwen 3.8 Max (2.4 trillion parameters) and Kimi K3 (2.8T) are going open-weight, with K3 ranking first on Frontend Web App Arena and fourth on agentic benchmarks, signaling that scale and transparency can coexist. The timing matters: while U.S. policymakers weigh layered restrictions on Chinese open models, technical experts are pushing back hard, arguing that closed gardens actually hurt security and competition more than they help. The real fragmentation risk isn't technical—it's regulatory.

Read the full briefing →

Introducing Grok 4.5

Why it matters

Also covered by

Related stories

Every AI story that matters, in your inbox by 8am.

Every AI story that matters,
in your inbox by 8am.