Andrej Karpathy, a founding member of OpenAI who joined Anthropic's pretraining team in May, said in a post on X Thursday that asking language models to write in ASD-STE100 — a controlled English stan…
Anthropic released Claude Sonnet 5.5, the latest addition to its Claude model line, announced alongside a podcast episode featuring Anthropic's Thariq Shihipar discussing Claude Code's evolving interf…
A developer's analysis of Thariq Shihipar's Claude Code effort-level study finds that higher effort settings do not make the model smarter but instead increase self-verification and autonomous decisio…
Anthropic's Claude Code repository now documents "mods," a plugin type whose behavior lives in a TypeScript hooks module registered via a single `register(on, options)` function that runs in-process o…
Claude Code reads AGENTS.md only when no CLAUDE.md, .claude/CLAUDE.md or CLAUDE.local.md exists in the working directory or any parent directory, and until version 2.1.281 the loader was gated behind …
Anthropic removed over 80% of Claude Code's system prompt for models like Claude Opus 5 and Claude Fable 5 with no measurable loss on its coding evaluations, according to a July 24, 2026 post by Thari…
Anthropic advises keeping each CLAUDE.md file under 200 lines, with a hard skip at 4 MiB, because every line loads into context at session start and is resent on every request, the company says longer…
Anthropic added AGENTS.md support to Claude Code on September 18th, letting the coding agent read a repository's shared instruction file when no Claude-specific CLAUDE.md is present, according to Clau…
Anthropic added support for OpenAI's AGENTS.md specification to Claude Code in version 2.1.277, Claude Code engineer Thariq Shihipar announced, so Claude will check for and use AGENTS.md when no CLAUD…
Anthropic added AGENTS.md support to Claude Code starting in version 2.1.277, according to Thariq Shihipar. In folders with no CLAUDE.md file, Claude Code will now check for and use AGENTS.md, a featu…
Anthropic engineer Thariq Shihipar said on X that MCPs are better than CLIs for most integrations, citing improved model tool calling, deferred tools, and MCP now being stateless. Shihipar added that …
SK hynix held its 2026 Future Forum on September 8 at the SUPEX Center on its Icheon Campus, where CEO Kwak Noh-Jung said the AI era presents a 'golden time' for the company to leap forward, emphasizi…
Anthropic reported on July 24, 2026 that it removed over 80% of Claude Code's system prompt for its newest models with no measurable loss on its coding evaluations, but an independent re-measurement b…
Anthropic's Thariq Shihipar confirmed that Claude Pro and Max usage limits are token-based, not message-based, and that the 5-hour session window can drain faster during peak hours, affecting about 7%…
Anthropic's Claude Code team member Thariq Shihipar published the ELI5 skill, which generates jargon-free, diagram-heavy HTML explainers for any topic via the `/eli5` command. The skill, distributed t…
Discovered Materials, a Y Combinator-backed startup, has raised a $9 million seed round led by Lightspeed India Partners to use AI agents to discover new semiconductor materials that can reduce heat i…
Anthropic engineer Thariq Shihipar revealed at the AI Engineer World's Fair that the team removed over 80% of Claude Code's system prompt for Opus 5 and Fable 5—shrinking it from roughly 2,686 words t…
Anthropic's engineering teams are increasingly relying on AI for code review and testing, with a 500K+ line Bun rewrite to Rust completed in 11 days using AI tools at a cost of $165,000 in tokens. The…
Anthropic deleted over 80% of Claude Code's system prompt when migrating to Claude Opus 5 and Fable 5, with no measurable loss on coding benchmarks, according to Thariq Shihipar, a Member of Technical…
Anthropic deleted more than 80% of Claude Code's system prompt for the Claude 5 generation — Opus 5 and Fable 5 — with no loss on coding evals, according to a new post by Thariq Shihipar on context en…