Edge Ai

Rock Matrix open-sourced EdgeRock-4B, built from Qwen3.5-4B with HKUST and CMU. The model keeps a fixed 72 MiB KV cache at 256K context, down from 8 GiB, and serves 6.42 times the throughput while retaining most of its reasoning scores, according to the company.

AI Models • Pandaily

ANTH

Anthropic's S-1 filing shows an 85% gross margin in H1 from running its models, a reality check for skeptics who said pay-as-you-go model sales wouldn't be profitable. The company also used its IPO letter to renew a pledge that Claude will never show ads.

Based on a transcript excerpt: Matthew Berman demonstrates DeepSeek's latest open-source model, testing its ability to generate a detailed interactive 3D mechanical watch diagram in a single web page. The video showcases the model's spatial awareness, 3D generation, and internal knowledge, positioning it as a leading open-source option.

AI Models & Capabilities • Matthew Berman

Google's Gemini 4 Carbon is the new #1 on the Artificial Analysis Intelligence Index v5 with a score of 59, driven by leading performance in complex reasoning, knowledge, and scientific tasks. It ranks second only to Claude Opus 5.5 on the Coding Agent Index, with large coding and knowledge-work gains over prior Gemini models.

Model Release • Hacker News