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xAI Launches Grok 4.1 with Enhanced Performance and Reduced Hallucinations on Web and Apps, Lacks API Access for Enterprise

Elon Musk's xAI has released Grok 4.1, its newest large language model, now available for consumer use on Grok.com, X, and its mobile apps. This launch, preceding Google's Gemini 3, introduces significant architectural and usability improvements, including faster reasoning, improved emotional intelligence, and notably lower hallucination rates. Grok 4.1 has achieved top rankings in public benchmarks, surpassing models from Anthropic, OpenAI, and Google's pre-Gemini 3 models. A white paper detailing its evaluations and training process has also been published. However, a key limitation for enterprise developers is the current absence of API access for Grok 4.1, restricting its integration into production environments. Only older xAI models are presently available via the developer API, supporting up to 2 million tokens of context.

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Elon Musk's AI startup xAI has unveiled its latest large language model, Grok 4.1, making it available for consumer use on Grok.com, the social network X (formerly Twitter), and the company’s iOS and Android mobile applications. This release appears to be strategically timed ahead of Google's Gemini 3, which has been recognized as the most powerful LLM globally by independent evaluators.

Grok 4.1 introduces substantial architectural and usability enhancements. Key improvements include faster reasoning capabilities, enhanced emotional intelligence, and a significant reduction in hallucination rates. xAI has also published a white paper detailing its evaluation processes and providing some insights into its training methodology.

In public benchmarks, Grok 4.1 has demonstrated superior performance, climbing to the top of the leaderboard. It has outperformed rival models from companies such as Anthropic, OpenAI, and Google's pre-Gemini 3 model (Gemini 2.5 Pro). This new model builds upon the success of xAI's Grok-4 Fast, which was favorably reviewed following its September 2025 release.

Despite its high benchmarks and advanced capabilities, Grok 4.1 currently faces a significant limitation for enterprise developers: it is not yet accessible through xAI’s public API. This means that businesses and developers looking to integrate the new and improved model into production environments, fine-tuned agentic pipelines, or scalable internal tooling will find it unavailable for programmatic use. There is no announced timeline for when API exposure for Grok 4.1 might become available.

Presently, only older xAI models are offered via the developer API for programmatic use. These include Grok 4 Fast (both reasoning and non-reasoning variants), Grok 4 0709, and legacy models such as Grok 3, Grok 3 Mini, and Grok 2 Vision. These older models support up to 2 million tokens of context, with token pricing ranging from $0.20 to $3.00 per million, depending on the specific configuration. This current restriction limits Grok 4.1’s utility in enterprise workflows that depend on backend integration.

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