Elon Musk Unveils Grok 4.5, Dubbed Opus-class AI Model

WHO:

TechCrunch - Elon Musk is the CEO of SpaceXAI, the company releasing Grok 4.5.

Mashable - Elon Musk is associated with the launch of Grok 4.5.

WHAT:

TechCrunch - Grok 4.5 is available in Grok Build, in Cursor, and from the SpaceXAI console.

VentureBeat - Grok 4.5 is priced at $2 per million input tokens and $6 per million output tokens, undercutting competitors like Anthropic and OpenAI.

VentureBeat - Grok 4.5 is the first model built in partnership with AI coding startup Cursor, designed to handle difficult, long-running legal, finance, and coding tasks.

VentureBeat - Grok 4.5 is the first tangible product of SpaceX's $60 billion acquisition of the AI coding startup Cursor, completed just weeks ago.

MarkTechPost - Grok 4.5 serves at 80 TPS and ranks #1 on Harvey's Legal Agent Benchmark.

VentureBeat - Grok 4.5 is the first artificial intelligence model SpaceX has trained specifically for coding and autonomous agents.

VentureBeat - Grok 4.5 is priced at $0.49 per completed task, which is "nearly 90% cheaper than the models ahead of it on our leaderboard," according to Artificial Analysis.

VentureBeat - Grok 4.5 was trained with Cursor and offers "frontier intelligence at leading speeds and cost efficiency."

Axios - Grok 4.5 costs $2 per 1M input tokens and $6 per 1M output tokens.

Bloomberg - Grok 4.5 is designed to "handle difficult, long-running" legal, finance, and coding tasks.

TechCrunch - SpaceXAI released Grok 4.5, described as a cheaper, more efficient alternative to other powerful AI models.

Mashable - Grok 4.5 is referred to as an "Opus-class model" by Elon Musk.

WHERE:

Axios - Grok 4.5 is not available in the EU.

WHEN:

Mashable - Grok 4.5 is set to launch on Thursday, July 9.

WHY:

VentureBeat - Musk stated, "The combination of capability, faster speed and lower cost is what makes it competitive."

VentureBeat - Musk stated, "Our internal assessment is that Grok 4.5 is roughly comparable to Opus 4.7, but much faster," emphasizing the model's competitive edge in speed and cost.

HOW:

VentureBeat - Grok 4.5 was trained using data from Cursor's AI-first code editor, which generates high-quality interaction data from expert engineers in real production environments.

VentureBeat - Grok 4.5 was trained using Cursor's AI-first code editor, which generates high-quality interaction data from expert engineers in real production environments, and it is designed to handle long-running tasks that span multiple repositories, hundreds of skills, and a variety of tools.

VentureBeat - Grok 4.5 was trained using data from Cursor's AI-first code editor, which generates high-quality interaction data from expert engineers in real production environments.

Bloomberg - Grok 4.5 is the first model built in partnership with AI coding startup Cursor.

(UPDATED July 9, 2026 02:50 UTC)

Grok 4.5 is now available in Grok Build, in Cursor, and from the SpaceXAI console, marking a significant advancement in AI technology. Priced at $2 per million input tokens and $6 per million output tokens, it undercuts competitors like Anthropic and OpenAI, with Musk emphasizing that its combination of capability, faster speed, and lower cost makes it competitive. This model is the first developed in partnership with AI coding startup Cursor, utilizing data from their AI-first code editor to tackle complex legal, finance, and coding tasks.

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(UPDATED July 9, 2026 00:20 UTC)

SpaceX has unveiled Grok 4.5, the first product resulting from its recent $60 billion acquisition of the AI coding startup Cursor. This new tool operates at 80 transactions per second and has achieved the top ranking on Harvey's Legal Agent Benchmark. Grok 4.5 was developed using Cursor's AI-first code editor, which captures high-quality interaction data from expert engineers in real-world settings, making it capable of managing complex, long-running tasks across multiple repositories and tools.

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(UPDATED July 8, 2026 23:18 UTC)

SpaceX has unveiled Grok 4.5, its first artificial intelligence model specifically designed for coding and autonomous agents, which is priced at just $0.49 per completed task, making it nearly 90% cheaper than its competitors. According to Musk, Grok 4.5 is roughly comparable to Opus 4.7 but boasts a significant advantage in speed and cost efficiency. The model was trained using data from Cursor's AI-first code editor, which captures high-quality interaction data from expert engineers in real production settings.

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(UPDATED July 8, 2026 21:20 UTC)

Grok 4.5 has been introduced at a price of $2 per one million input tokens and $6 per one million output tokens, and it's designed to tackle complex, long-running tasks in fields like law, finance, and coding. However, it's important to note that Grok 4.5 is not available in the European Union. This model marks a significant milestone as it is the first developed in collaboration with the AI coding startup Cursor.

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(UPDATED July 8, 2026 20:26 UTC)

Elon Musk, the CEO of SpaceXAI, has announced the release of Grok 4.5, which is touted as a cheaper and more efficient alternative to other powerful AI models. Musk describes Grok 4.5 as an "Opus-class model," highlighting its advanced capabilities. This new AI model is set to officially launch on Thursday, July 9.