Anthropic's Claude Opus 4.7 migration guide states the new tokenizer utilizes "roughly 1.0 to 1.35x as many tokens" compared to 4.6. Actual measurements show a higher ratio on technical docs and real CLAUDE.md files. The cost of the new tokenizer was measured using real content and synthetic samples.. read more  

Anthropic has unveiled Claude Opus 4.7, a powerful large language model that outperforms key rivals like GPT-5.4 and Google's Gemini 3.1 Pro in benchmarks such as agentic coding and financial analysis. Opus 4.7 leads the market on the GDPVal-AA knowledge work evaluation with an Elo score of 1753 and.. read more  

Stanford HAI's 2026 AI Index shows China cut the U.S. lead inArenascores. In March 2026,Claude Opus 4.6ledDola‑Seed 2.0by 2.7%. A 2.7% margin is a photo finish. China outpaces the U.S. inpublicationcitations (20.6% vs 12.6% in 2024) and inindustrial robots(~295,000 vs 34,200). It also holds surplusc.. read more  

Cloudflare centralized MCP servers in a monorepo. It added governed templates, Cloudflare Access auth, audit logs, and DLP behind an MCP server portal. It launched Code Mode to collapse many tool schemas into two portal tools. Token use fell ~94%. Cloudflare Gateway now finds shadow MCP servers... read more  

Clause Code security bypass: Anthropic's performance fix silently disabled deny rules for 500K+ developers when more than 50 subcommands were used in a command, impacting permission validation and security policy enforcement. The vulnerability stemmed from a tradeoff between security and performance.. read more  

Mercury runs ~2M lines ofHaskellin production. They choseTemporalto replace cron and DB-backed state machines. Durable workflows replace brittle coordination. They open-sourced aHaskellSDK forTemporal, wired inOpenTelemetryhooks, and pushed records-of-functions plus domain-error types... read more  

Figma rearchitected their storage systems to support scalability, including horizontally sharding their Postgres stack and building FigCache, a stateless proxy service for Redis. FigCache decouples connection scalability from Redis, centralizes traffic routing, enhances security, and provides end-to.. read more  

This post provides a collection of lesser-known terminal tricks that can improve productivity and efficiency when working in various POSIX shells. The tricks cover a range of functions, from efficient text manipulation to file operations and script writing. By incorporating these tips into daily wor.. read more  

Dropbox cut itsmonorepofrom 87GB to 20GB. It ran a GitHub‑approved server‑sidegit repack, tuned bywindow/depth. Clone times dropped to under 15 minutes. Engineers traced growth to Git’s 16‑char path heuristic. That heuristic mispairedi18nfiles. They tested--path-walklocally, then ran phased replica .. read more  

Daniel Stenberg, creator of curl, argues that software security should be built on verification rather than trust, outlining the many ways a widely used project like curl could be compromised - from malicious insiders and breached credentials to hacked distribution sites and CI tool exploits. To cou.. read more