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Mistral enters reasoning AI with Magistral launch—The models are built for logic-heavy tasks but don’t outperform top models in early tests
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o3-pro Is OpenAI’s new top model—Outperforms rivals in reasoning, adds tool use, now live for Pro users
In other AI news—OpenAI delays its open model launch to after June, Zuckerberg is personally assembling a new “Superintelligence” team at Meta to pursue AGI, OpenAI reportedly signs a major cloud deal with Google despite their rivalry, and China plans to turn Shenzhen into an AI and aviation hub to counter US sanctions
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Key Points
Mistral released two reasoning models with the larger one (Magistral medium) available in preview on Le Chat and its API.
Benchmark tests show Magistral medium underperforming compared to top models like Claude Opus 4 and Gemini 2.5 Pro.
📯News - French AI startup Mistral is entering the reasoning model space with a new family of models called Magistral. These models are designed to tackle problems step by step, improving accuracy in areas like math, physics, and logic.
It’s a move that puts Mistral in the same category as OpenAI’s o3 and Google’s Gemini 2.5 Pro, though not quite at the same level just yet.
🤓Here's the lowdown - There are two versions of Magistral. Magistral small has 24 billion parameters and is available to download on Hugging Face under an Apache 2.0 license. Magistral medium is more powerful and is currently in preview through Mistral’s Le Chat chatbot its API, and select cloud partners.
While Mistral says the models are well suited for enterprise tasks like structured calculations, decision trees, and logic workflows, its own benchmarks show Magistral Medium lagging behind. On reasoning and programming tests like GPQA, AIME, and LiveCodeBench, it underperforms compared to Claude Opus 4 and Gemini 2.5 Pro.
🤔So what makes it stand out? What Mistral is betting on instead is speed and accessibility. The company says Magistral delivers answers up to 10 times faster on Le Chat and supports a wide range of languages, including Italian, Arabic, Russian, and Simplified Chinese.
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Key Points
o3-pro is now live for ChatGPT Pro and team users replacing o1-pro and expanding to API access
o3-pro beats top models from Google and Anthropic on internal math and science benchmarks according to OpenAI.
👨💻News - OpenAI has officially released o3-pro, the latest version of its reasoning-focused AI model. It’s now available to ChatGPT Pro and team users with access for enterprise and Edu customers coming next week. The model is also live in the API starting today.
🤩What's new & noteworthy? Unlike typical AI models that rely heavily on pattern recognition, o3-pro is built to work through problems step by step. This makes it more reliable in fields like math, physics, and coding. It replaces the older o1-pro model in ChatGPT.
According to OpenAI, expert reviewers consistently preferred o3-pro over the base o3 model across all tested areas. It performed especially well in science, education, business, and writing help. It also ranked higher for clarity, comprehensiveness, and instruction-following.
The model can use tools like Python, web browsing, file analysis, and visual reasoning. It also supports memory-based personalization. The trade-off is that it responds a bit slower than o1-pro.
Internally, o3-pro scored higher than Google’s Gemini 2.5 Pro on AIME 2024 and outperformed Claude 4 Opus on GPQA Diamond, which tests PhD-level science. However, it still can’t generate images and doesn't support Canvas and temporary chats are currently disabled while OpenAI fixes a technical issue.
🙆🏻♀️What else is happening?
OpenAI’s open model is delayed // On X Altman said the open model would be released sometime after June
Zuckerberg is personally recruiting new ‘Superintelligence’ AI team at Meta // Zuckerberg is assembling a team of 50 experts, including a new head of research, to achieve artificial general intelligence (AGI), with an audacious goal to outstrip other tech companies in achieving AGI
OpenAI taps Google in unprecedented cloud deal despite AI rivalry, sources say // OpenAI plans to add Alphabet'sGoogle cloud service to meet its growing needs for computing capacity
China plans to turn Shenzhen into AI and aviation hub amid US sanctions // Beijing is deepening reforms to accelerate the development of emerging industries in the Chinese tech hub which faces a barrage of US trade curbs
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