AI速報【AI&ChatGPT最新情報】

Big news: Claude Fable 5.2 (Max) by @AnthropicAI takes #1 in Agent Arena with an unprecedented lead: +30.4% net improvement, about 1.6x the #2 model Opus-5.5, across 4.7k real-world agentic sessions from our global community. It's also #1 in Code, Chat and Work. A major leap over Claude Fable 5.1 (Max) - Rank: #5 → #1, Net improvement: +14.8% → +30.4% - Median cost per task: $7.7 → $7.3 (6% lower). The API pricing $10/$50 → $8/$40 per million input/output tokens (20% lower) vs. The Frontiers - #1 Claude Fable 5.1 (Max): +30.4% | $7.3/task - #2 Claude Opus 5.5 (Max):+19.5%) | $5.5/task - #3 Gemini 4 Carbon (High):+17.0%) | $1.5/task - #6 GPT-6-Astra (Max): +14.5% | $6.0/task Breaking down performance across signals: Fable 5.2 improves over 5.1 across all four reported signals, with particularly large gains in user satisfaction and steerability. - #1 Praise vs. Complaint , +73%, biggest jump vs +41% the next model. - #1 Steerability: +33% - #1 Confirmed Success: +22% - #3 Bash Reliability: +14% #1 across all major categories - #1 Code: +34% - #1 Work: +31% - #1 Chat: +27% - Versus Fable 5.1: Code #6 → #1 (+19.8 %), Work #4 → #1 (+15.8 %), Chat #6 → #1 (+12.0%). Huge congrats to the @AnthropicAI team on this incredible release!

What if you could generate an entire product flow in just five seconds? Early design is rapid and iterative. To amplify your creativity, you need a synchronous design partner that keeps up with your train of thought. So we built a rapid design experiment in Stitch. It’s powered by the Gemini Decisions API to help explore what happens when early design iteration takes seconds instead of minutes ⚡️: 5️⃣ seconds from rough prompt to a multi-screen flow 2️⃣ seconds from tap to new variations 1️⃣ click to dive into Stitch for deeper UI polish ⚠️This is an early MVP to test how fast early ideation can feel, and we’ll be folding your favorite parts into the full Stitch experience soon. Look for the banner in Stitch to try it yourself or see how it works below 🧵👇

Introducing Gemini Decision 1, our new frontier decision model in the Gemini API. It is $0.10 per 1M input tokens with no additional cost. With support for image, audio, video, and PDF natively, 256K context window, & 1K questions. You can try it for free in the API!