I Tested GPT-5.6 Sol, Claude Fable 5, and Grok 4.5 for a Week — Here’s the Real Winner

by Navneet Guglani — Three flagship models, one messy launch week, and a verdict built on official benchmarks instead of vibes

Medium·1d ago

Is Grok 4.5 Really More Token Efficient Than Claude Opus 4.8? I Checked the Numbers

by Yashraj Behera — When SpaceXAI shipped Grok 4.5 this week, the pitch was not that it beats the best models. It was that it does comparable work while…

Towards AI·3d ago

Musk tells Tesla staff to switch to Grok — a model he admits is worse

Elon Musk told Tesla staff to move to Grok 4.5, an AI model he admits is worse than rivals and ranks below OpenAI, Anthropic, and Google on benchmarks.

Electrek·3d ago

Researchers Let AI Models Run Simulated Societies: Grok Collapsed In 4 Days, Claude Built Order

Yellow.com·4d ago

SpaceXAI launches Grok 4.5, touts lower coding-task costs than AI rivals

Benchmark estimates put Grok 4.5 at $2.49 per coding task versus $5.07 for GPT-5.5 in Codex and $11.80 for Fable 5 in Claude Code; analysts say real-world enterprise testing remains key.

Computerworld·4d ago

New Name, New Grok: SpaceXAI Officially Ties Its Brand to the World’s Most Problematic Chatbot

In particular, SpaceXAI said its latest model “excels at real engineering tasks” and is “equally adept at office work,” and claimed it compares favorably to other leading models in those areas.

Gizmodo·5d ago

The Trillion Dollar Race for Your Mind.

by aashuu ✦ — You think Big Tech companies are giving you AI tools like ChatGPT, Claude, Gemini, Grok, and Meta AI because they care about humanity and…

Medium·1d ago

Best AI Models in July 2026: The Complete Comparison Guide

by Sanjeev Patel — GPT-5.6, Claude Sonnet 5 & Opus 4.8, Gemini 3.1 Pro, Grok 4.5, and every major open-weight model ranked, benchmarked, and priced

Medium·3d ago

Grok 4.5 Just Dropped — And It’s Gunning Straight for Claude’s Crown

by Tural Allahverdiyev — Elon Musk calls it “Opus-class.” The benchmarks tell a more interesting story.

Medium·4d ago

Frontier AI Models Face Off: GPT-5.4 vs. Gemini 3.1 Pro vs. Claude Opus 4.6 vs. Grok 4.20

TweakTown·4d ago

Grok 4.5 is here to justify your X subscription

Grok 4.5 is here with smarter coding, advanced Office tools, faster responses, and lower API costs. Here's what the new AI model brings.

Android Authority·4d ago

SpaceXAI Drops Grok 4.5: An 'Opus Class,' Budget-Friendly Workhorse for Heavy AI Users

SpaceXAI has officially released Grok 4.5, a new professional-grade AI model optimized for high token efficiency, fast processing speeds, and low operational costs. Developed alongside the coding ...

Android·5d ago

Grok 4.5 (SPCX) Beats GPT 5.5 and Claude Opus 4.8 in Professional Work Test

TipRanks·2d ago

The New Grok 4.5 Is Out. Elon Musk Says It Competes With Last Year's Claude Opus

Decrypt·3d ago

Cursor Is Developing an AI Agent to Compete With Claude Cowork

Cursor is developing a general-purpose AI agent meant to compete with popular tools like Anthropic’s Claude Cowork, two people familiar with the project said, part of a broader push by the company to...

The Information·4d ago

Grok 4.5 Is Here: What Actually Makes It Different From Claude Opus 4.8 and GPT-5.6

by Mehmet Özel — xAI’s newest model undercuts Claude Opus 4.8 and OpenAI’s newest GPT-5.6 family on price, and it shipped with none of the government…

Data Science Collective·4d ago

Elon Musk's SpaceXAI Launches Grok 4.5 AI For Coding: Faster, Cheaper Rival To Claude

Elon Musk's SpaceXAI has launched Grok 4.5, its most advanced AI model for coding and AI agents, taking on OpenAI's GPT-5.6 and Anthropic with faster performance and lower pricing than Claude Opus...

Times Now·4d ago

SpaceXAI's Grok continues to lose market share; Meta AI climbs to fourth in US: analysis

SpaceXAI's Grok mobile app continues to lose market share in the U.S., while Meta AI has snuck into fourth place, according to an ...

Seeking Alpha·6d ago