2025年2月のトップ5 Genai発売：GPT-4.5、Grok-3など！

February 2025 has been yet another game-changing month for generative AI, bringing us some of the most anticipated model upgrades and groundbreaking new features. From xAI’s Grok 3 and Anthropic’s Claude 3.7 Sonnet, to OpenAI’s GPT-4.5 and the promise of GPT-5, this month saw fierce competition in the AI race. Meanwhile, both OpenAI and Perplexity AI launched Deep Research – taking AI-powered research to the next level. And let’s not forget Microsoft, which stepped into quantum-inspired AI with Majorana 1. With so many breakthroughs this month, here’s a quick rundown of the top 5 generative AI (GenAI) launches of February 2025!

Table of Contents

• OpenAI’s GPT-4.5 and the GPT-5 Roadmap
• xAI’s Grok 3 and Grok 3 Mini
• Anthropic’s Claude 3.7 Sonnet
• OpenAI Deep Research & Perplexity Deep Research
• Microsoft’s Majorana 1
• Conclusion
• Frequently Asked Questions

1. OpenAI’s GPT-4.5 and the GPT-5 Roadmap

Sam Altman kicked off February with a much-awaited announcement—GPT-4.5 is here! This upgraded model bridges the gap between OpenAI’s GPT-4-turbo and the upcoming GPT-5, setting new benchmarks in performance.

What’s new in GPT-4.5?

• Enhanced Multimodal Capabilities: GPT-4.5 now understands and processes text, images, and code better than ever.
• Expanded Context Length: With a whopping 256K token window, it can handle lengthy conversations and documents seamlessly.
• Significantly Lower Latency: GPT-4.5 responds faster, making it more efficient for real-time applications.

But the bigger news? GPT-5 is officially on the horizon. OpenAI teased that GPT-5 will bring agent-like autonomy, better real-world understanding, and improved task execution capabilities. With OpenAI doubling down on AI agents, we can expect ChatGPT to evolve beyond just a chatbot and become a true virtual assistant that can get things done independently.

Learn More: GPT-4.5 vs GPT-4o: Is GPT-4.5 Really Better?

2. xAI’s Grok 3 and Grok 3 Mini

After making waves in 2024 with Grok 2, Elon Musk’s xAI has taken things up a notch with the launch of Grok 3. Dubbed as “the smartest AI on Earth”, this new launch challenges even the most advanced models by OpenAI and Anthropic, head-on.

Grok 3 outperforms its predecessor with:

• Superior Reasoning: Grok 3 brings enhanced contextual awareness and reasoning skills, making it more reliable for complex problem-solving.
• 100 K+ GPUs: Trained using hundreds of thousands of NVIDIA H100 GPUs allows these models to process large-scale queries more efficiently.
• Advanced Analytics: With advanced abilities to handle complex mathematical & coding problems, Grok 3 is positioned as a direct competitor to GPT-4.5 and Claude 3.7.

To complement its flagship model, xAI also rolled out Grok 3 Mini – a lighter, faster version of Grok-3 designed for users who prioritize speed over depth. This makes Grok 3 Mini a strong alternative to GPT-4-turbo for everyday chatbot interactions. Its seamlessly integrated into X (formerly Twitter), raises greater expectations of AI-driven conversations, summaries, and real-time insights becoming the norm on the platform.

Learn More: Is Grok 3 Better Than GPT 4.5?

3. Anthropic’s Claude 3.7 Sonnet

Anthropic has been making steady progress in hybrid reasoning AI, and this month’s release of Claude 3.7 Sonnet brings a game-changing feature – Extended Thinking Mode. Besides, this new model builds on top of Claude 3.5 Sonnet’s legacy of being the unbeatable coding model.

What makes Claude 3.7 Sonnet special?

• More Thoughtful Responses: Users can now enable a self-reflection mode, allowing Claude to refine its answers before displaying them.
• Reduced Hallucinations: Higher factual accuracy and fewer hallucinations make it more reliable for professional and academic use.
• Enhanced Creativity & Reasoning: Claude 3.7 Sonnet now competes with GPT-4o with its creative reasoning, making it an excellent choice for storytelling, brainstorming, and ideation.

The “Extended Thinking Mode” is a major milestone in AI development, giving the model the ability to pause, analyze, and refine responses before showing them. This results in significantly better output quality especially with respect to accuracy and structure. With AI increasingly being used for critical decision-making, this feature makes Claude 3.7 Sonnet one of the most trustworthy models available today.

Learn More: Claude 3.7 Sonnet: The Best Coding Model Yet?

4. OpenAI Deep Research & Perplexity Deep Research

If you’ve ever wished your AI chatbot could autonomously browse the web, gather up-to-date information, and write a report for you – that’s exactly what OpenAI and Perplexity AI have delivered this month with Deep Research. While Open AI had launched this feature quite a while ago, it became available for paid users this month. Perplexity too offers this feature now, in a premium version.

What is Deep Research?

• Autonomous Information Retrieval: The AI spends 5–30 minutes researching a topic before generating a response.
• Fact-Checking and Source Verification: AI crawls multiple sources, cross-checks facts, and provides detailed, cited reports instead of just summarizing web pages.
• User-Controlled Depth: Users can choose between a quick summary or an in-depth analysis, depending on their needs.

OpenAI has incorporated Deep Research into ChatGPT, strengthening the already powerful chatbot. Meanwhile, Perplexity AI has doubled down on its goal to become the go-to AI-powered search engine with this new feature. These updates mean AI is no longer just a Q&A chatbot. It’s now a full-fledged research assistant, capable of autonomous information retrieval, analysis, and synthesis.

Learn More: OpenAI vs Grok 3: Which is Better for Deep Research?

5. Microsoft’s Majorana 1

As OpenAI, x.AI, and Anthropic lead the way, Microsoft too found its path to limelight by bringing a ‘quantum leap’ to the world of generative AI. The final highlight of February 2025 comes from Microsoft in the form of Majorana 1 – its first quantum-inspired AI model.

Unlike traditional AI models, Majorana 1 incorporates principles of quantum computing, resulting in:

• Quantum-Inspired Efficiency: It uses quantum computing principles to reduce computational complexity and increase processing speeds exponentially.
• Superior Uncertainty Handling: Unlike traditional AI, Majorana 1 can process probabilistic data more efficiently, making it ideal for scientific simulations, forecasting, and cryptography.
• Faster Training and Inferencing: Quantum principles enable significantly improved model training times, making AI systems more adaptable and scalable.

While Majorana 1 isn’t a full-fledged quantum AI model yet, it marks the beginning of Microsoft’s quantum AI ambitions. If successful, quantum-inspired models like Majorana 1 could redefine the AI landscape, opening doors to more efficient, intelligent, and adaptable AI systems.

Learn More: Microsoft’s Majorana 1: Satya Nadella’s Bold Bet on Quantum Computing

Conclusion

The AI advancements of February 2025 have set the stage for what’s shaping up to be a monumental year in generative AI. We saw OpenAI’s GPT-4.5, teasing the upcoming launch of GPT-5. Microsoft also gave us a hint at a future where quantum AI takes over computing, with its Majorana 1.

xAI’s Grok-3 took the center stage, being the smartest and most powerful AI model yet – thanks to the 200+ Nvidia GPUs powering it. Meanwhile, Claude 3.7 Sonnet introduced self-reflective reasoning, improving response accuracy and reliability in AI chatbots. And of course, Deep Research from OpenAI and Perplexity AI have changed the way we do our research and web-search in general.

With breakthroughs emerging every week, AI is evolving faster than ever. So stay tuned for next month’s AI roundup, because 2025 is just getting started!

Frequently Asked Questions

Q1. What is GPT-4.5?

A. GPT-4.5 is OpenAI’s latest model with better multimodal capabilities, a 256K token context window, and faster response times.

Q2. How is GPT-4.5 different from GPT-4-turbo?

A. It has improved image and text processing, lower latency, and a larger context window.

Q3. What is Grok 3?

A. Grok 3 is xAI’s newest model, offering superior reasoning, better coding abilities, and advanced analytics.

Q4. How does Grok 3 Mini compare to Grok-3?

A. Grok 3 Mini is a lighter, faster version, optimized for speed over deep reasoning.

Q5. What’s new in Claude 3.7 Sonnet?

A. Claude 3.7 Sonnet introduces Extended Thinking Mode, reducing hallucinations and improving accuracy.

Q6. What is Deep Research?

A. A feature by OpenAI and Perplexity AI that allows AI to browse the web, verify facts, and generate research-based reports.

Q7. How does OpenAI’s Deep Research differ from Perplexity AI’s?

A. OpenAI integrates Deep Research into ChatGPT, while Perplexity AI focuses on extending the capabilities of its AI-powered search engine.

Q8. What is Microsoft’s Majorana 1?

A. Microsoft’s Majorana 1 is a quantum-inspired AI model designed for faster processing and complex simulations.

Q9. Is Majorana 1 a full quantum AI model?

A. No, Majorana 1 is not a full quantum AI model, but it uses quantum principles to improve AI efficiency.

Q10. Which model is best for research and factual accuracy?

A. OpenAI and Perplexity AI, with their Deep Research feature stand out for research while Claude 3.7 Sonnet is the most reliable for factual accuracy.

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