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Jak získat Perplexity Pro zdarma (nebo levně)

TL;DR: Službu Perplexity Pro můžete získat zdarma nebo se slevou prostřednictvím partnerských akcí. Nejlepší nabídky jsou pro studenty (1 měsíc + doporučení), státní zaměstnance USA (e-mail .gov), uživatele PayPal/Venmo a zákazníky konkrétních mobilních operátorů, jako je Airtel (Indie), Xfinity (USA) a Deutsche Telekom (Německo). Typ nabídky Kdo má nárok? Jak požádat o studentskou [...]

A cosmic, data-stream background with glowing orange and white particles sweeps diagonally across a dark sky. Centered is a black rounded-square icon bearing Grok’s white circular lightning-slash logo. Below, bold headline text reads “xAI Announces Grok 4.1: Here’s All You Need to Know” in yellow and white.

Elon Musk’s xAI Launches Grok 4.1: Now the Highest-Rated LLM on LMArena

Today, November 17, 2025, xAI has officially rolled out Grok 4.1, the latest iteration of its flagship large language model, across grok.com, the 𝕏 interface, and the iOS and Android apps. The update arrives after a two-week silent production test and aims to deliver more natural conversation, stronger emotional intelligence, tighter safety controls, and dramatically improved real-world reliability. Unlike […]

Colorful gradient background with the OpenAI logo and the headline “GPT-5.1 Arrived: Here is What ChatGPT Can Now Do” in bold white and yellow text.

OpenAI just dropped GPT-5.1: faster, smarter, and warmer by design

On Wednesday, November 12, 2025, OpenAI unveiled GPT-5.1, a major mid-cycle upgrade to its flagship ChatGPT models. The update introduces two new variants — GPT-5.1 Instant and GPT-5.1 Thinking — both designed to make conversations faster, smarter, and more natural. According to OpenAI, GPT-5.1 is built to feel “warmer” and more human-like in tone, while also improving instruction-following and reasoning. The Instant model […]

A simple 16:9 thumbnail showing four colorful icons in a row—a yellow lightbulb, a blue magnifying glass, an orange pencil, and a green checkmark—on a soft abstract background, with the title “The Secret Process Behind AI Reasoning Explained” displayed below them.

How AI “Reasoning” Models Think Explained

Have you noticed your AI assistant getting… smarter? It’s not just your imagination. The latest AI models (like OpenAI’s o3/o4-mini, Google’s Gemini 2.5 Pro, and the open-source DeepSeek R1) are moving beyond simple text prediction. They’re starting to “reason”, to think step-by-step, check their own work, and solve complex problems. This is a huge change […]

A bold red-and-yellow comic-style explosion fills the background with sharp black streaks radiating outward. In the center is the Mistral-style circular logo in white on a dark circle. Across the lower part of the image, large white and blue text reads: “Meet Kimi K2 Thinking, China’s Model Better Than GPT-5.”

New Chinese Model Kimi K2 Thinking Ranks #1 in Multiple Benchmarks

On November 6, 2025, Alibaba-backed Moonshot AI released Kimi K2 Thinking, its most advanced open-source model yet. It’s the first reasoning-focused variant in the Kimi K2 family and marks a major step forward in long-context, multi-step reasoning and autonomous tool use. Kimi K2 Thinking immediately made headlines for its performance: it set new state-of-the-art scores on several open benchmarks, including Humanity’s Last […]

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ChatGPT-6 leaks: Release Date, New Features and Rumours

OpenAI’s next frontier model is no longer a distant rumor. Codenamed “Spud,” the model finished pretraining on March 24, 2026, as confirmed by Sam Altman himself. Greg Brockman described it as “two years of research” with a “big model feel.” The question is no longer if it’s coming, but when it drops and whether OpenAI […]

Five futuristic humanoid robots stand in a row, each symbolizing a top AI model — ChatGPT, Grok, Claude, Gemini, and Qwen — with their logos displayed on their chests. The text reads “The Best AI in October 2025?” against a cinematic blue-to-red gradient background, representing a comparison of the latest AI models.

The Best AI in October 2025? We Compared ChatGPT, Claude, Grok, Gemini & Others

We now have AI that can drive a real web browser to complete tasks, process up to ~1 million tokens in a single prompt, and propose code changes that pass tests on real repos. This guide cuts through the noise of press releases and benchmarks to deliver a clear, no-nonsense comparison based on real-world performance. […]

A visual flowchart shows OpenAI’s AgentKit with nodes like “Start,” “Customer lookup,” and “Analyze bills.” The background is a soft blue-orange gradient. Bold text reads: “OpenAI Just Dropped AgentKit: All-in-One AI Agent Stack.”

OpenAI Launches AgentKit for Building AI Agents – Here Is All You Need To Know

On October 6 at its 2025 Dev Day, OpenAI unveiled AgentKit—a powerful new toolkit for building, deploying, and optimizing AI agents. Released alongside ChatGPT Apps and the general launch of Codex, it marks a major step in turning ChatGPT into a full development platform. AgentKit brings together everything developers need: visual workflow design, real-time chat UIs, secure data connectors, […]