How Good Is Grok-3? Where Can You Use Grok-3?

This release marks a significant leap in reasoning, coding, and problem-solving capabilities, positioning Grok-3 as a formidable player in the generative AI landscape.

Emmanuel Mumba

Emmanuel Mumba

15 June 2025

How Good Is Grok-3? Where Can You Use Grok-3?

Elon Musk's xAI has unveiled Grok-3, the latest iteration of its AI chatbot, claiming it surpasses competitors like OpenAI’s GPT-4o, Google’s Gemini, and Anthropic’s Claude in key benchmarks. This release marks a significant leap in reasoning, coding, and problem-solving capabilities, positioning Grok-3 as a formidable player in the generative AI landscape. Below, we analyze its benchmark performance, real-world usability, and early user experiences to assess whether it lives up to the hype.

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Quick Review of Grok-3 Benchmarks

Grok-3 demonstrates superior performance across standardized benchmarks in mathematics, science, and coding.

The lightweight Grok-3 mini variant also impresses, scoring 40, 65, and 41 in these categories—still ahead of most rival models.

Notably, Grok-3 became the first AI to break the 1400-point threshold on the Chatbot Arena (LMSYS), a platform for evaluating large language models. Its early version achieved 1402 points, outperforming DeepSeek-R1 (1385) and OpenAI’s o3-mini-high (1390).

This dominance extends to specialized tasks like long-context queries, multi-turn dialogues, and instruction following, where Grok-3 consistently ranks first.

Where Can You Use Grok-3 Now?

Grok 3 is now available to all Premium+ subscribers on X for free.


How Good Is Grok-3, Actually?

1. How Good Is Grok-3 at Thinking?

Grok-3’s "Think" mode showcases advanced reasoning capabilities, solving complex problems that stymie other models. For example:

A standout feature is Grok-3’s willingness to tackle unsolved problems. Unlike Claude or Gemini, which immediately dismiss the Riemann Hypothesis as beyond their scope, Grok-3 courageously attempts step-by-step reasoning before conceding limitations—a trait shared with DeepSeek-R1.


2. Trying Out Deep Research with Grok-3

The DeepSearch feature combines web research with structured reasoning, akin to OpenAI’s Deep Research and Perplexity’s DeepResearch. Early tests reveal:

While DeepSearch matches Perplexity in breadth, it lags behind OpenAI’s offering in reliability. Hallucinated URLs and omitted self-references (e.g., excluding xAI from a list of major LLM labs) underscore ongoing refinement needs.


3. Testing Edge Cases and "Gotcha" Queries

Grok-3’s performance on quirky, human-easy puzzles reveals both strengths and quirks:


Summary: Grok-3’s Place in the AI Landscape

Grok-3 represents a seismic shift in AI development velocity. Released just 17 months after its predecessor, it matches or exceeds state-of-the-art models like o1-pro in reasoning and coding while undercutting their pricing. Key takeaways include:

With xAI planning to open-source Grok-2 and expand Grok-3’s voice and agent capabilities, the model is poised to reshape industries from gaming to scientific research. While not flawless, its rapid ascent signals a new era of competition in generative AI—one where agility and computational might redefine what’s possible.

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