タグ: llm

Have you heard about Mistral AI? It’s a powerful new AI company based in Paris, France, that is quickly becoming a major alternative to other big tech names. In September 2025, it raised €1.7 billion in a funding round led by the Dutch chip company ASML, which (according to Bloomberg) now holds roughly an 11% stake. Mistral offers its own chatbot called Le Chat and powerful new AI “brains” like Mistral Medium 3.1 and Magistral Medium. But what do all these different names mean, and how can they actually help you, your family, or your small business? This article will explain everything in simple terms. How much do they cost, […]

Have you ever asked ChatGPT for a simple fact, only to receive an answer that was confidently, completely wrong? Or have you asked a sensitive question and been met with a polite refusal? It can feel like the AI is being difficult, or worse, deliberately hiding something. This experience leaves many of us wondering: Is this powerful tool just making mistakes, or is it actively lying to us? This question isn’t as simple as it seems. The answer touches on everything from how AI is built to the data it’s trained on and the digital privacy you have. In this article, we’ll pull back the curtain and give you a […]

Update, April 23, 2026: The wait is over, and the naming question is resolved. OpenAI launched the model on April 23, 2026 and branded it GPT-5.5, not GPT-6. The new flagship ships in three variants (standard, GPT-5.5 Thinking, GPT-5.5 Pro) and hit 88.7% on SWE-bench Verified, 82.7% on Terminal-Bench 2.0, 92.4% on MMLU, and an Intelligence Index of 59 (second only to Grok 5). OpenAI says GPT-5.5 produces 60% fewer hallucinations than GPT-5.4. The Polymarket prediction (78% by April 30) came in on time; the “high 70s on SWE-bench Pro” benchmark leak did not — actual score landed at 58.6%, still behind Claude Opus 4.7’s 64.3%. Read our full launch […]

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. We’ve synthesized the latest data from sources like The Verge, Axios, and the developers themselves to help you make an informed decision. Which AI model truly wins in October 2025? Is GPT-5 better than Gemini 2.5 for your daily work? And what is the absolute best LLM for coding, creative writing, or deep research right […]

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, and built-in evaluation tools. It replaces the need for custom orchestration, manual prompt tuning, and frontend work. But perhaps most importantly, AgentKit positions OpenAI as a direct challenger to traditional no-code platforms like Zapier, n8n, and Make. While those tools helped define automation for the SaaS era, AgentKit aims to redefine it for the AI era—introducing […]

今週のOpenRouterのランキングを開いた人は、最初の2つの枠に見慣れないロゴがあるのを見ただろう：Grok 4 Fast（無料）とxAIのGrok Code Fast 1だ。xAIのGrok 4 Fast（無料）とGrok Code Fast 1だ。この2つを合わせると、マーケットプレイスを経由する全トークンの3分の1以上を占めることになる。両者を合わせると、xAIはGoogle、Anthropic、OpenAIをも凌駕し、市場全体のシェアで#1のポジションに押し上げた。しかし、比較的若いモデルがどのようにして巨人を追い越したのだろうか？また、Grok 4 Fastが開発者、新興企業、企業チームの間でこれほど人気があるのはなぜだろうか？強力なパワー、お買い得な価格設定、そして期間限定の無料エンドポイントの組み合わせは、Grok 4 Fastを多くのビルダーのデフォルトの選択肢に変えました。以下はその詳細です。

2025年9月29日、Anthropicは最新のフロンティアAIモデルであるClaude Sonnet 4.5をリリースし、同社がこれまでに開発したモデルの中で最も能力が高く、最も整合性のあるモデルと位置づけた。このリリースは、これまでのクロード・ソネットとオーパスのリリースの基礎の上に構築されており、持続的な自律パフォーマンス、コーディング能力、ツールの使用、安全行動の測定可能な改善に焦点を当てています。Anthropicは、2ヶ月弱の社内テストの後、API、Amazon Bedrock、Google Vertex AIにおいてClaude Sonnet 4.5を本番稼動させました。 このモデルは現在、Claude.aiとAPIアクセスを通じてすべてのユーザーが利用可能で、間もなくFello AIに統合される予定です。その内容を詳しく見てみよう。

最も勢いのあるAI企業5社がそれぞれのフラッグシップモデルを発表し、人工知能開発においてこれまでに見たことのないような熾烈な競争が繰り広げられている。OpenAIは2025年8月初旬にGPT-5を発表し、Anthropicはその数日前にClaude Opus 4.1をリリースした。グーグル・ディープマインドのGemini 2.5 Proは3月下旬に登場し、xAIは7月にGrok 4を発表、そして今回アリババが9月上旬にQwen 3 Maxでゲームに参入した。しかし、これらは実際に大きな進歩なのだろうか、それともささやかな改良をマーケティングに利用しただけなのだろうか？どの企業も、自社のAIを最もインテリジェントで有能なアシスタントだと宣伝し、そのモデルを示す厳選されたベンチマークや洗練されたデモに裏打ちされている。

Alibaba’s AI stack just crossed a symbolic frontier. On September 5 2025, the company’s cloud division unveiled Qwen-3-Max-Preview (Instruct), a 1-trillion-parameter large-language model that immediately takes its place among the most complex systems ever deployed and the most powerful AI models. The rollout began quietly inside Qwen Chat and Alibaba Cloud Model Studio. Soon coming to Fello AI. Only a few months ago, OpenAI’s GPT-4o, Google DeepMind’s Gemini 2.5, and Anthropic’s Claude Opus 4 each claimed slices of the “frontier-model” crown. Meanwhile, China-based challengers have been racing to close the capability gap. By releasing a one-trillion-parameter model, Alibaba is making it clear it wants to compete at the very top, not on the sidelines. […]

Moonshot AI, Chinese startup backed by Alibaba and Tencent, is rolling out an upgraded version of its open‑weight open-source large language model, Kimi K2. The new build Kimi K2‑0905, introduces a 256,000-token context window, improved coding performance, and retains its permissive modified MIT license. Although early beta access was briefly mentioned on the company’s Discord before details were removed, the model is now fully available to the public. Weights and a complete model card are live on Hugging Face, making it easy for developers to download, run, and fine-tune the model locally. Moonshot’s Meteoric Rise Founded in March 2023, Moonshot AI has grown at breakneck speed. In just over a year, the startup […]