Is Grok 3 Superior to GPT-4.5?
In the rapidly evolving landscape of artificial intelligence, two models have recently captured significant attention: OpenAI‘s GPT-4.5 and xAI‘s Grok 3. Both promise groundbreaking advancements, but how do they truly compare? This article delves into their features, performance, and overall value to determine which stands out as the superior AI model.
Quick Comparision
| Feature | Grok 3 Beta | GPT-4.5 |
|---|---|---|
| Input Context Window | 1Mtokens | 128Ktokens |
| Maximum Output Tokens | 128Ktokens | 16.4Ktokens |
| Open Source | No | No |
| Release Date | February 19, 2025 | February 27, 2025 |
Key Features and Capabilities
What is Grok 3, and How Does It Work?
Grok 3 is xAI’s latest AI model, launched on February 17, 2025. It focuses on logic, research, real-time updates, and coding. Unlike older AI systems, Grok 3 can fact-check itself and retrieve recent data from the internet.
Developed by Elon Musk’s xAI, Grok 3 introduces several notable features:
- Advanced Reasoning and Problem-Solving: Utilizing test-time computing and reinforcement learning, Grok 3 excels in complex tasks such as mathematical proofs and logical puzzles. It achieved a 93.3% score on the 2025 American Invitational Mathematics Examination (AIME) and 84.6% on the Graduate-Level Expert Reasoning (GPQA) benchmark.
- Extensive Pretraining and Knowledge: Trained on xAI’s Colossus supercluster with ten times the compute power of previous models, Grok 3 scored 79.9% on the Massive Multitask Language Understanding Professional (MMLU-Pro) benchmark and 79.4% on LiveCodeBench for code generation.
- 1 Million Token Context Window: With an eightfold increase in context capacity compared to earlier models, Grok 3 efficiently processes lengthy documents and complex prompts, making it ideal for summarization and large-scale data interpretation.
- Reasoning Modes: Grok 3 offers two distinct modes: “Think,” which displays the AI’s reasoning process, and “Big Brain,” designed for computationally intensive tasks.
- Deep Search Integration: This feature enables Grok 3 to analyze information from the internet and X (formerly Twitter) in real-time, providing comprehensive and up-to-date answers to user queries.
What is ChatGPT 4.5?
ChatGPT 4.5 is OpenAI‘s latest AI model, released on February 27, 2025. It improves on ChatGPT-4 with faster responses, higher accuracy, and stronger conversational capabilities. It also reduces hallucinations compared to earlier versions.
OpenAI’s GPT-4.5 brings several enhancements over its predecessors:
- Enhanced Reasoning and Understanding: GPT-4.5 demonstrates improved pattern recognition and intent comprehension, excelling in natural, nuanced conversations. It scores highly on benchmarks like MMLU and is adept at tackling complex problems.
- Broader Knowledge Base: With access to real-time search capabilities, GPT-4.5 offers an expansive understanding of current events and practical queries, outperforming earlier models in providing up-to-date information.
- Multimodal Inputs: GPT-4.5 can process text and image uploads, as well as file processing, allowing users to analyze documents or visuals alongside their queries. However, it does not yet support audio and video inputs.
- Canvas Collaboration: This feature enables interactive refinement of writing and code, positioning GPT-4.5 as a creative partner for tasks such as drafting essays or debugging scripts.
- Improved Emotional Intelligence: GPT-4.5 adapts to user tone and context more effectively, offering responses that feel more human and tailored, enhancing both personal and professional interactions.
- Creative Capabilities: With scaled-up pre-training, GPT-4.5 exhibits stronger creative insights, capable of generating compelling stories and innovative ideas without relying solely on explicit reasoning steps.
What Are the Benchmark Scores for Grok 3 vs ChatGPT 4.5?
Performance Benchmarks
When comparing performance, both models demonstrate impressive results across various benchmarks:
| Benchmark | Grok 3 | GPT-4.5 |
|---|---|---|
| AIME 2025 | 93.3% | 86% |
| GPQA | 84.6% | 79% |
| LiveCodeBench | 79.4% | 74.1% |
| MMLU-Pro | 79.9% | 78% |
| LOFT (Long-Context Retrieval) | 83.3% | N/A |
| Competitive Coding | N/A | 90% |
| PhD-Level Science Questions | N/A | 79% |
These results indicate that Grok 3 holds a slight edge in mathematical and reasoning tasks, while GPT-4.5 excels in coding and scientific inquiries.
User Experience and Accessibility
Grok 3
- Access and Pricing: Grok 3 is available to X Premium Plus subscribers at a monthly fee of $40, following a recent price increase. xAI also offers a SuperGrok subscription plan, priced at $30 per month, providing advanced capabilities and early access to new features.
- API Availability: xAI plans to release API access for Grok 3 and its variants, allowing developers to integrate its capabilities into their applications.
GPT-4.5
- Access and Pricing: GPT-4.5 is currently available to ChatGPT Pro subscribers at a monthly cost of $200. OpenAI intends to extend access to ChatGPT Plus users in the near future. The API usage is priced at $75 per million input tokens and $150 per million output tokens, reflecting a significant increase from previous models.
- API Integration: OpenAI offers multiple models via API, including GPT-4o, GPT-4o mini, and GPT-3.5 Turbo, among others. Developers can sign up for an API key and integrate these models into their applications, adhering to usage limits and data privacy compliance.
Use Claude API and Grok 3 API in CometAPI
CometAPI offer a price far lower than the official price to help you integrate GPT-4.5 API(model name: gpt-4.5-preview-2025-02-27;gpt-4.5;gpt-4.5) and Grok 3 API (model name: grok-3; grok-3-reasoner; grok-3-deepsearch), and you will get $1 in your account after registering and logging in! Welcome to register and experience CometAPI.
CometAPI acts as a centralized hub for APIs of several leading AI models, eliminating the need to engage with multiple API providers separately.
Please refer to GPT-4.5 API and Grok 3 API for integration details.
Pricing in CometAPI is structured as follows:
| Category | GPT-4.5 | Grok 3 |
| API Pricing | Input Tokens: $60 / M tokens Output Tokens: $120 / M tokens | Input Tokens: $1.6 / M tokens Output Tokens: $6.4 / M tokens |
Philosophical Approaches to AI Development
Beyond technical capabilities, Grok 3 and GPT-4.5 represent differing philosophical approaches to AI development.
Grok 3
Elon Musk’s xAI has positioned Grok 3 as an “uncensored” AI, aiming to counter what is perceived as “woke” biases in other models. This approach involves training Grok 3 to address sensitive topics without moralizing, promoting free speech, and challenging prevailing social justice narratives. While this strategy appeals to users seeking alternative perspectives, it has also led to the dissemination of controversial and conspiratorial content.
GPT-4.5
OpenAI’s GPT-4.5 focuses on simplifying AI products and enhancing user experience. The company’s roadmap includes integrating various technologies into comprehensive systems capable of handling a wide array of tasks efficiently. This approach reflects OpenAI’s commitment to creating user-friendly AI solutions while maintaining safety and reliability.
Future Developments and Roadmaps
Both xAI and OpenAI have outlined plans for the future development of their AI models.
Grok 3
xAI has introduced features like “Big Brain” reasoning and plans to launch a Deep Search AI agent, aiming to enhance Grok 3’s capabilities in complex tasks and real-time information retrieval. Additionally, xAI is offering subscription plans with advanced features, indicating a focus on expanding Grok 3’s accessibility and functionality.
GPT-4.5
OpenAI’s roadmap includes the integration of GPT-4.5 into the upcoming GPT-5 model, alongside other technologies, to streamline their product range. This move aims to simplify AI offerings and enhance user experience. GPT-5 is expected to introduce agent-like autonomy, better real-world understanding, and improved task execution capabilities.
Should I choose GPT-4.5 or Grok3
Choosing between OpenAI’s GPT-4.5 and xAI’s Grok 3 depends on your specific needs and use cases. Here’s a comparative analysis to help inform your decision:
Mathematics and Science:
- Grok 3: Demonstrates superior performance in mathematical and scientific tasks. For instance, it scored 52.2% on the AIME’24 math benchmark, significantly outperforming GPT-4.5’s estimated 25-35%. In graduate-level physics and biology questions (GPQA), Grok 3 achieved a 75.4% score, compared to GPT-4.5’s 65-70%.
Coding and Programming:
- GPT-4.5: Excels in coding tasks, with scores between 70-75% on software engineering benchmarks like SWE-Bench Verified, surpassing Grok 3’s 60-65%. This makes GPT-4.5 a strong choice for programming and software development applications.
Language and Multimodal Capabilities:
- GPT-4.5: Exhibits strengths in language processing, scoring 92-95% on the MMLU-pro benchmark, indicating proficiency in handling essays, Q&A, and general knowledge tasks. Additionally, GPT-4.5 supports multimodal inputs, including image processing, which Grok 3 currently lacks.
Real-Time Information Retrieval:
- Grok 3: Integrates with real-time data sources, providing up-to-date information, which is advantageous for tasks requiring current data. In contrast, GPT-4.5’s knowledge is static as of December 2024.
Ethical Considerations and Safety:
- GPT-4.5: Emphasizes safety and reliability, with extensive testing to reduce instances of “hallucinations” and misleading outputs.
- Grok 3: Offers an “uncensored” AI experience, aiming to counter perceived biases in other models, which may lead to the generation of controversial or harmful content.
Summary:
- Choose Grok 3 if: Your work involves complex mathematical or scientific problem-solving, or if real-time data access is crucial for your tasks.
- Choose GPT-4.5 if: You require advanced coding assistance, creative writing capabilities, or need a model with robust safety measures and multimodal input support.
Ultimately, the decision should align with your specific requirements, considering the strengths and limitations of each model in relation to your intended applications.
Conclusion
Both Grok 3 and GPT-4.5 represent significant advancements in AI technology, each with its unique strengths and challenges. Grok 3 excels in complex reasoning tasks and offers extensive pretraining knowledge, making it suitable for users requiring deep analytical capabilities. However, its approach to content generation raises ethical concerns that need to be addressed. GPT-4.5, on the other hand, provides enhanced reasoning, broader knowledge, and improved safety measures, making it a reliable choice for a wide range of applications. Ultimately, the choice between Grok 3 and GPT-4.5 depends on the specific needs and values of the user, as well as considerations regarding ethical implications and safety.
