Elon Musk · OpenAI · GPT · TechCrunch AI
SpaceXAI publishes Grok 4.5, which Elon describes as an ‘Opus-class model’
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SpaceXAI has released its latest model, Grok 4.5, the first since the company went public several weeks ago.
Key facts
- Opus 4.7, by comparison, costs $5 per million input tokens and $25 per million output tokens
- SpaceXAI says that its new model costs $2 per million input tokens and $6 per million output tokens
- Musk later added: “Their internal assessment is that Grok 4.5 is roughly comparable to Opus 4.7, but much faster
- OpenAI is planning to release GPT 5.6, its latest, most powerful model, on Thursday
Summary
Published Wednesday, SpaceXAI characterized its new release as a workhorse that can tackle all of the typical tasks that the AI industry has sought to automate: coding and app-building, office and clerical work, research, writing, and other forms of routine knowledge work. Grok can supposedly do all this for less spend, too, as SpaceXAI says that its model has “twice greater token efficiency” than other leading models. The company released benchmark metrics Wednesday that appeared to show Grok’s competitiveness with other top models from SpaceXAI competitors, although short of best-in-class:. In a post on his social media platform X (which is a subsidiary of SpaceXAI), founder Elon Musk compared the model to Opus, Anthropic’s LLM designed for intensive and complex tasks.