Elon Musk’s AI startup, xAI, has launched an API for its latest large language model, Grok 3, making it available for developers and businesses to integrate into their own applications. The release includes both the full Grok 3 and a more lightweight Grok 3 Mini model, both designed with strong reasoning capabilities. This move represents a significant step in xAI’s effort to compete with OpenAI and Anthropic, offering a public API that supports a context window of 131,072 tokens, though this falls short of the 1 million tokens xAI previously claimed. The models are hosted on X’s infrastructure, with Grok 3 Mini also available on NVIDIA GPUs via Oracle Cloud, showcasing Musk’s broader integration of xAI across his tech empire.
Pricing for Grok 3 starts at $3 per million input tokens and $15 per million output tokens, with an even faster variant available at a premium. The launch is part of xAI’s strategy to commercialize its models more widely, beyond their initial use in X (formerly Twitter). xAI notes that Grok 3 outperforms GPT-4 and Claude 2 in reasoning tasks, though it remains to be seen how it will perform in real-world deployments. While Grok 3’s token limit is competitive, it still trails behind some rivals offering longer context windows, pointing to both the progress and limitations of xAI’s current offering.
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