Microsoft has collaborated intently with xAI to carry Grok 4, their most superior mannequin, to Azure AI Foundry—delivering highly effective reasoning inside a platform designed for business-ready security and management.
Right this moment’s enterprises are getting into a brand new part of AI adoption—one the place belief, flexibility, and manufacturing readiness aren’t elective; they’re foundational. Microsoft has collaborated intently with xAI to carry Grok 4, their most superior mannequin, to Azure AI Foundry—delivering highly effective reasoning inside a platform designed for business-ready security and management.
Grok 4 undeniably has distinctive efficiency. With a 128K-token context window, native software use, and built-in internet search, it pushes the boundaries of what’s doable in contextual reasoning and dynamic response technology. However efficiency alone isn’t sufficient. AI on the frontier should even be accountable. Over the past month, xAI and Microsoft have labored intently to reinforce accountable design. The crew has evaluated from a accountable AI perspective, placing Grok 4 by way of a collection of security exams and compliance checks. Azure AI Content material Security is on by default, including one other layer of safety for enterprise use. Please see the Foundry mannequin card for extra details about mannequin security.
On this weblog, we’ll discover what makes Grok 4 stand out, the way it compares to different frontier fashions, and the way builders can entry it through Azure AI Foundry.
Grok 4: Enhanced reasoning, expanded context, and real-time insights
Grok fashions had been skilled on xAI’s Colossus supercomputer, using a large compute infrastructure that xAI claims delivers a ten instances leap in coaching scale in comparison with Grok 3. Grok 4’s structure marks a major shift from its predecessors, emphasizing reinforcement studying (RL) and multi-agent techniques. In line with xAI, the mannequin prioritizes reasoning over conventional pre-training, with a heavy concentrate on RL to refine its problem-solving capabilities.
Key architectural highlights embrace:
First-principles reasoning: “suppose mode”
Considered one of Grok 4’s headline options is its first-principles reasoning skill. Primarily, the mannequin tries to “suppose” like a scientist or detective, breaking issues down step-by-step. As a substitute of simply blurting out a solution, Grok 4 can work by way of the logic internally and refine its response. It has robust proficiency in math (fixing competition-level issues), science, and humanities questions. Early customers have famous it excels at logic puzzles and nuanced reasoning higher than some incumbent fashions, typically discovering appropriate solutions the place others get confused. Put merely, Grok 4 doesn’t simply recall info—it actively causes by way of issues. This concentrate on logical consistency makes it particularly engaging in case your use case requires step-by-step solutions (consider analysis evaluation, tutoring, or advanced troubleshooting eventualities).
Instance immediate: Clarify how you’ll generate electrical energy on Mars when you had no present infrastructure. Begin from first rules: what are the basic assets, constraints, and bodily legal guidelines you’ll use?
Prolonged context window
Maybe considered one of Grok 4’s most spectacular technical feats is its dealing with of extraordinarily giant contexts. The mannequin is constructed to course of and keep in mind huge quantities of textual content in a single go. In sensible phrases, this implies Grok 4 can ingest in depth paperwork, prolonged analysis papers, and even a big codebase, after which cause about them without having to truncate or overlook earlier elements. To be used instances like:
- Doc evaluation: You could possibly feed in lots of of pages of a doc and ask Grok to summarize, discover inconsistencies, or reply particular questions. Grok 4 is much much less more likely to miss the small print just because it ran out of context window, in comparison with different fashions.
- Analysis and academia: Load a whole tutorial journal challenge or a really lengthy historic textual content and have Grok analyze it or reply questions throughout the entire textual content. It might, for instance, soak up all of Shakespeare’s performs and reply a query that requires connecting information from a number of performs.
- Code repositories: Builders might enter a whole code repository or a number of recordsdata (as much as tens of millions of characters of code) and ask Grok 4 to search out the place a sure operate is outlined, or to detect bugs throughout the codebase. That is enormous for understanding giant legacy tasks.
xAI has claimed that this isn’t simply “reminiscence” however “sensible reminiscence.” Grok can intelligently compress or prioritize info in very lengthy inputs, remembering the essential items extra strongly. For the top consumer or developer, the takeaway is: Grok 4 can deal with very giant enter texts in a single shot. This reduces the necessity to chop up paperwork or code and handle context fragments manually. You’ll be able to throw a ton of data at it and it may well maintain the entire thing “in thoughts” because it responds.
Instance immediate: Learn this Shakespeare play and discover my password (password is buried within the lengthy context textual content).
Knowledge-aware responses and real-time insights
One other power of Grok 4 is the way it can combine exterior knowledge sources and trending info into its solutions—successfully appearing as a knowledge analyst or real-time researcher when wanted. It understands that generally the very best reply wants to return from outdoors its coaching knowledge, and it has mechanisms to retrieve and incorporate that exterior knowledge. It turns the chatbot into extra of an autonomous analysis assistant. You ask a query, it would go learn a couple of issues on-line, and are available again with a solution that’s enriched by actual knowledge. In fact, warning is required—stay knowledge can generally be incorrect, or the mannequin would possibly decide up on biased sources; one ought to confirm essential outputs.
Instance immediate: Test the newest information on world AI laws (previous 48 hours).
- Summarize the highest 3 developments.
- Spotlight which areas or governments are driving the modifications.
- Clarify what impression these updates might have on corporations deploying basis fashions.
- Present the sources you referenced.
Stacking up Grok 4: The way it performs towards prime fashions
Grok 4 showcases spectacular capabilities on high-complexity duties. These benchmarks underscore Grok 4’s modern capabilities in high-level reasoning, STEM disciplines, advanced problem-solving, and industry-specific duties. These benchmark numbers are calculated utilizing our personal inside Azure AI Foundry benchmarking service, which we use to check fashions throughout a set of {industry} customary benchmarks.

Household of Grok fashions
Along with Grok 4, Azure AI Foundry additionally has 3 extra Grok fashions already accessible.
- Grok 4 Quick Reasoning is optimized for duties requiring logical inference, problem-solving, and sophisticated decision-making, making it perfect for analytical purposes.
- Grok 4 Quick Non-Reasoning focuses on pace and effectivity for simple duties like summarization or classification, with out deep logical processing.
- Grok Code Quick 1 is tailor-made particularly for code technology and debugging, excelling in programming-related duties throughout a number of languages.
Whereas all three fashions prioritize pace, their core strengths differ: reasoning for logic-heavy duties, non-reasoning for light-weight operations, and code for developer workflows.
Pricing together with Azure AI Content material Security:
Mannequin | Deployment Kind | Worth $/1M tokens |
Grok 4 | International Commonplace | Enter- $5.5 Output- $27.5 |
Get began with Grok 4 in Azure AI Foundry
Lead with perception, construct with belief. Grok 4 unlocks frontier‑degree reasoning and actual‑time intelligence, however it isn’t a deploy and overlook mannequin. Pair Azure’s guardrails with your personal area checks, monitor outputs towards evolving requirements, and iterate responsibly—whereas we proceed to harden the mannequin and disclose new security scores. Please see the Azure AI Foundry Grok 4 mannequin card for extra details about mannequin security.
Head over to ai.azure.com, seek for “Grok,” and begin exploring what these highly effective fashions can do.