Elon Musk Unveils Grok-1.5: A Leap Towards Matching GPT-4's Intelligence

by Rok Rak, Software Engineer

Picture of xAI Grok

Elon Musk Unveils Grok-1.5: A Leap Towards Matching GPT-4's Intelligence

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In an exciting development, Elon Musk's xAI has rolled out Grok-1.5, an enhancement to their already revolutionary large language model (LLM), Grok-1, introduced just a few weeks ago. Grok-1.5 is primed to set new standards in reasoning, problem-solving, and the handling of extensive contexts, edging closer to the prowess of renowned models like OpenAI's GPT-4 and Anthropic's Claude 3, albeit still trailing behind the impressive 1 million token context window capability of Gemini 1.5 Pro.

Elon Musk shares his vision for Grok-1.5, positioning it as the powerhouse behind xAI’s new chatbot on the X platform. Musk teases the development of Grok-2, promising an AI that surpasses today's benchmarks, though details on its release remain under wraps.

What's New with Grok-1.5?

Launched last November, Grok-1 showcased its capabilities by drawing inspiration from “The Hitchhiker’s Guide to the Galaxy,” answering queries across a spectrum of disciplines. Outshining Llama-2-70B and GPT-3.5 in benchmarks such as GSM8K, HumanEval, and MMLU, Grok-1 set a high bar.

Grok-1.5 Elevates the Game
Building on this foundation, Grok-1.5 introduces significant improvements. With a 50.6% MATH benchmark score and a 90% GSM8K benchmark score, it excels in math and coding challenges. It's not just numbers; Grok-1.5's language understanding shines through with an 81.3% score on the MMLU benchmark, a considerable leap from Grok-1’s 73%.

A standout feature of Grok-1.5 is its expanded context window of up to 128,000 tokens. This enhancement enables it to process and analyze complex and lengthy documents more effectively than ever before.

Grok comparison

A Rival for the Best

Grok-1.5’s advancements mean it's hot on the heels of leading LLMs. While it trails slightly behind the latest from Google, OpenAI, and Anthropic in some benchmarks, it boasts superior performance in code generation and problem-solving tasks, as evidenced by its HumanEval scores.

Brian Roemmele, a tech consultant, believes that the Grok series, especially the anticipated Grok-2, will redefine the AI platform landscape, overtaking current leaders across key metrics.

Rollout and Accessibility

Grok-1.5 is slated for a rollout this week, initially to early testers and existing Grok users on the X platform. Musk's strategic deployment of Grok on X underscores a commitment to enhancing platform engagement through AI, with various subscription models ensuring widespread accessibility.


As we stand on the brink of this significant release, Grok-1.5 embodies a leap forward in AI capabilities, promising not just to compete but to set new benchmarks in the landscape of large language models. Elon Musk's vision of an AI that transcends today's understanding and application is gradually materializing, and with Grok-1.5, we get a glimpse of the future — today. As the AI community and tech enthusiasts alike await its deployment with bated breath, the question isn't just about how Grok-1.5 will perform against its predecessors and contemporaries but how it will shape our interaction with AI in our daily lives and industries. Stay tuned, as the era of Grok-1.5 begins this week, marking another milestone in our journey towards an intelligently augmented future.

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