SpaceXAI's newest AI model Grok 4.5 dramatically undercuts Anthropic and OpenAI on price
has released a new model called Grok 4. 5, in what is its first major launch since it went public a few weeks earlier. In a blog post earlier today, the company said Grok 4.
Key Takeaways
- SiliconANGLE UPDATED 19:35 EDT / JULY 08 2026 AI SpaceXAI's newest AI model Grok 4.
5 dramatically undercuts Anthropic and OpenAI on price by Mike Wheatley Elon Musk's SpaceXAI Corp.
- In a post on the social media platform X, which is owned by SpaceXAI, founder Musk compared Grok 4.
5 to Anthropic PBC's Opus, which is a large language model designed to handle intensive reasoning tasks.
- "The combination of capability, faster speed and lower cost is what makes it competitive," he added.
5's real calling card, however, appears to be its overall efficiency.
- This week is proving to be a big one in terms of new AI model launches.
- 4k+ theCUBE alumni - Connect with more than 11,400 tech and business leaders shaping the future through a unique trusted-based network.
Stats & Key Facts
- #SiliconANGLE UPDATED 19:35 EDT / JULY 08 2026 AI SpaceXAI's newest AI model Grok 4.
- #The company said it costs about $2 per 1 million input tokens and $6 per 1 million output tokens, which makes it far cheaper than its rivals' most capable models.
- #8 run at $5 per 1 million input tokens and $25 for 1 million outputs.
- #Meanwhile, Fable 5, which is Anthropic's best model, costs $10 for inputs and $50 for outputs, based on 1 million tokens.

SiliconANGLE UPDATED 19:35 EDT / JULY 08 2026 AI SpaceXAI's newest AI model Grok 4. 5 dramatically undercuts Anthropic and OpenAI on price by Mike Wheatley Elon Musk's SpaceXAI Corp. has released a new model called Grok 4.
5 , in what is its first major launch since it went public a few weeks earlier. In a blog post earlier today, the company said Grok 4. 5 is designed to be a workhorse that can tackle all of the usual tasks that the artificial intelligence industry has been automating for some time already.
That includes things such as coding, writing emails and presentations, performing office and clerical work, doing research and other kinds of knowledge-based work. 5 apart, but SpaceXAI said the difference is that it can do these tasks just as well as its peers at about half the cost, because it has "twice greater token efficiency" than its peers from other frontier model labs. If true, that could be a compelling advantage in a world where the cost of tokens has suddenly become a major issue for heavy AI users.
For more details please read the original article at SiliconANGLE AI.
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