
Anthropic Mythos Leak Explained: Security Breach, AI Risk, and What It Means for the Future
The Anthropic “Mythos” leak was not a traditional data breach—it was an unauthorized access incident involving a highly restricted cybersecurity-focused AI model. Based on aggregated

OpenAIコーデックスのモデルリーク:GPT-5.5と隠しモデルについて明らかになったこと
The recent OpenAI Codex model leak was not a breach of model weights or data—it was a UI-level exposure that briefly revealed internal model names

Claude Opus 4.7 Adaptive Thinking: What It Is, How It Works, and Why Users Are Divided
Claude Opus 4.7 Adaptive Thinking is a system where the model automatically decides how much reasoning effort to use based on task complexity. It replaces

Claude Opus 4.7 Pricing: Is It Actually More Expensive?
Short answer:Claude Opus 4.7 is not officially more expensive per token, but in real-world usage it often costs more because it generates and consumes significantly

クロード・オーパス4.7 vs オーパス4.6:どちらが実戦に適しているか?
Short answer:Opus 4.6 currently delivers higher reliability, lower cost, and better one-shot success rates in real-world coding workflows, while Opus 4.7 shows potential in open-ended

クロード・オーパス4.7レビュー:何が変わり、なぜそれが重要なのか
Claude Opus 4.7 Reclaims Top Rankings in AI Benchmarks This week, Anthropic released Claude Opus 4.7. It has climbed back to the top in two