Benchmark1d ago
First Third-Party Scores for Claude Fable 5.2: Cursor Says It Tops CursorBench at 60% on Max Effort and 56.9% at Default (Fable 5.1: 49.2%); Perplexity Reports a Record 0.851 on WANDR at $14.51 per Task
Within an hour of Anthropic releasing Claude Fable 5.2, Cursor and Perplexity both shipped the model and posted results from their in-house evals. Cursor's official account says Fable 5.2 scores 56.9% on CursorBench at default (High) effort, up from 49.2% for Fable 5.1, and 60% at max effort, the top score on the board. Cursor's chart puts the default setting at about $9.70 average cost per task. Perplexity's official account says Fable 5.2 set a record 0.851 on its WANDR benchmark at $14.51 per task, on the performance-cost Pareto frontier; Gemini 4 Argon scores 0.802 ($7.88), GPT-6 Astra 0.735 and Fable 5.1 0.684. Both are vendor-run evals, not independent public benchmarks.
Tooling17h ago
NVIDIA Donates OpenShell, Its AI Agent Security Runtime, to CNCF as a Sandbox Project: Cedar Policies and an Agent Substrate Integration With Google
At KubeCon North America on November 10, NVIDIA contributed OpenShell, its open-source security runtime for AI agents, to CNCF as a Sandbox project. OpenShell enforces access to files, networks, credentials, and model endpoints in the infrastructure outside the agent. The project is moving from NVIDIA's GitHub to the neutral ai-openshell organization and is adopting Cedar, another CNCF project, as its policy language. NVIDIA is also contributing to Google-led Agent Substrate and released three open-source Kubernetes components: NVKE, NVKR, and Snapshot. Teams running agents on Kubernetes now get a vendor-neutral permission and isolation layer.
Tooling20h ago
OpenAI Launches Businesses in ChatGPT in Beta: Companies Can Claim and Verify Profiles in Business Hub, See Mentions and Clicks, and Eligible U.S. Ecommerce and Online Service Businesses Can Build a Business Agent
On November 10, OpenAI launched Businesses in ChatGPT in beta, aimed at the businesses that the 1.2 billion weekly ChatGPT users look up. In Business Hub, a business can claim and verify its profile, update its details, add product feeds with pricing and availability, and see aggregated insights such as mentions, website clicks, and discovery topics; OpenAI says it does not share users' conversations with businesses. Eligible U.S. ecommerce and online service businesses can also build a Business Agent that answers customers' questions about products and policies inside ChatGPT. These chats are clearly labeled and can serve as the destination for ChatGPT Ads.
Discussion & Comments
0Sign in to join the discussion
Connect with AI developers to exchange benchmark insights.