newsJuly 8, 2026·TechCrunch AI

SpaceXAI releases Grok 4.5, which Elon describes as an ‘Opus-class model’

Elon Musk's tech company released the newest version of Grok on Wednesday, promising a cheaper, more efficient alternative to other powerful AI models.

Key Takeaways

•Elon Musk's tech company released the newest version of Grok on Wednesday, promising a cheaper, more efficient alternative to other powerful AI models.
•This story was reported by TechCrunch AI, covering developments in the news space.
•AI advancements continue to reshape industries — read the full article on TechCrunch AI for complete coverage.

📖 Continue reading the full article:

Read Full Article on TechCrunch AI →

Share this article

X Facebook Reddit ☕ Support

AI Weekly

AI Weekly Issue #512: Robotics Is Moving Fast: IPOs, New Models, and Smarter Robots

Three humanoid companies moved toward the public markets in a single week. Agility filed to go public via SPAC at $2.5 billion, Unitree cleared its Shanghai IPO, and Tesla started turning the line that built its last Model S into an Optimus factory. Mistral shipped a robot brain that finds its way w

TechCrunch AI

Lovable reportedly in talks to double its valuation to $13.2B

The $300 million round is expected to be led by Menlo Ventures, Sifted reported.

Ars Technica

Suspecting AI cheating, Ivy League prof ordered an in-person final; scores fell 50%

AI cheating leads to "a failed society," professor says.

TechCrunch AI

Google’s deepfake detector system used to debunk McConnell hoax pic

Earlier this week, a picture seemed to show Kentucky Senator Mitch McConnell covered in tubes in a hospital bed in a state of extreme distress. It turned out to be an AI-generated fake.

Discussion

Loading articles...

SpaceXAI releases Grok 4.5, which Elon describes as an ‘Opus-class model’

Key Takeaways

Related Articles

AI Weekly Issue #512: Robotics Is Moving Fast: IPOs, New Models, and Smarter Robots

Lovable reportedly in talks to double its valuation to $13.2B

Suspecting AI cheating, Ivy League prof ordered an in-person final; scores fell 50%

Google’s deepfake detector system used to debunk McConnell hoax pic

Discussion

SpaceXAI releases Grok 4.5, which Elon describes as an ‘Opus-class model’

Key Takeaways

Related Articles

AI Weekly Issue #512: Robotics Is Moving Fast: IPOs, New Models, and Smarter Robots

Lovable reportedly in talks to double its valuation to $13.2B

Suspecting AI cheating, Ivy League prof ordered an in-person final; scores fell 50%

Google’s deepfake detector system used to debunk McConnell hoax pic

Discussion

Related Articles

AI Weekly
AI Weekly Issue #512: Robotics Is Moving Fast: IPOs, New Models, and Smarter Robots
Three humanoid companies moved toward the public markets in a single week. Agility filed to go public via SPAC at $2.5 billion, Unitree cleared its Shanghai IPO, and Tesla started turning the line that built its last Model S into an Optimus factory. Mistral shipped a robot brain that finds its way w

TechCrunch AI
Lovable reportedly in talks to double its valuation to $13.2B
The $300 million round is expected to be led by Menlo Ventures, Sifted reported.

Ars Technica
Suspecting AI cheating, Ivy League prof ordered an in-person final; scores fell 50%
AI cheating leads to "a failed society," professor says.

TechCrunch AI
Google’s deepfake detector system used to debunk McConnell hoax pic
Earlier this week, a picture seemed to show Kentucky Senator Mitch McConnell covered in tubes in a hospital bed in a state of extreme distress. It turned out to be an AI-generated fake.