More from Boris Cherny | AI News

Claude Opus 5 resists prompt injection

According to @bcherny, Anthropic’s Opus 5 shows near zero prompt‑injection success with layered defenses, boosting coding and knowledge work security. (Source)

Share 07-24-2026 17:53

Claude Adoption Steps Drive 10x Output

According to @bcherny, engineers see 10x output with Claude as orgs progress through four repeatable AI adoption steps. (Source)

Share 07-17-2026 01:32

Bun in Rust Boosts JS runtimes

According to bcHerny, Bun is being rewritten in Rust, promising faster builds and safer memory for JS tooling per Bun’s blog and Jarred Sumner. (Source)

Share 07-08-2026 23:23

Claude Code Origins Reveal Safety-Driven Build

According to @bcherny, Anthropic shares Claude Code’s origin from safety research and early user feedback in a new history feature video. (Source)

Share 07-06-2026 21:40

Claude Code Artifacts expand to Pro and Max

According to ClaudeDevs, Artifacts now ship to Pro and Max, publishing live code to claude.ai with private, real time updates. (Source)

Share 07-02-2026 20:20

Claude Desktop Linux Beta Launches with Code

According to ClaudeDevs, Claude Desktop beta arrives on Linux with Claude Code, Cowork, and chat for paid plans, expanding Ubuntu and Debian support. (Source)

Share 06-30-2026 16:52

Claude Tag Transforms Slack Collaboration

According to @bcherny, Anthropic launches Claude Tag for Slack with proactive, multiplayer workflows, identity, and memory for team productivity. (Source)

Share 06-23-2026 17:36

Claude Code Artifacts Supercharge Team Workflows

According to @bcherny, Claude Code Artifacts enable interactive PR walkthroughs and dashboards, now in beta for Team and Enterprise, per @claudeai. (Source)

Share 06-18-2026 20:05

Claude Code Self‑Verification Boosts Reliability

According to @bcherny, self‑verification lets Claude run longer and return closer-to-intent results, as @delba_oliveira explains in a ClaudeDevs demo. (Source)

Share 06-09-2026 19:15

Claude Fable 5 boosts coding efficiency

According to @bcherny, Claude Fable 5 in Claude Code cuts prompts, improves tool use and code quality, and enables longer trusted sessions. (Source)

Share 06-09-2026 17:42

Claude Code Auto Mode boosts mobile coding

According to @bcherny, Claude Code now favors auto mode, uses routines to preempt bugs, and enables phone-first coding, per Anthropic’s developer talk. (Source)

Share 06-08-2026 17:20

Claude Opus dominates long-horizon workflows

According to @bcherny, Opus leads long-running tasks; use auto mode, dynamic workflows, goal loops, cloud Code, and end to end self verification. (Source)

Share 06-08-2026 01:16

Claude Opus 4.8 Boosts coding accuracy to 69.2

According to @claudeai, Opus 4.8 lifts SWE-bench Pro to 69.2, adds self-checking honesty, and keeps the same price as 4.7, as reported by Boris Cherny. (Source)

Share 05-28-2026 17:21

Anthropic Reveals unsettling model internals

According to @bcherny, Anthropic’s Chris Olah reports model internals mirroring neuroscience and affect states, urging broader moral oversight. (Source)

Share 05-26-2026 10:17

Claude Code Adoption Surges with Free Course

According to bcherny, zero2claude trains beginners to ship with Claude Code, drawing 17k students and proving production-grade agent use. (Source)

Share 05-22-2026 17:30

Claude Code Adds /usage Breakdown Feature

According to @bcherny, Claude Code adds /usage to break down token use by Skills, Agents, MCPs, Plugins in CLI today, with Desktop support next. (Source)

Share 05-21-2026 15:01

Claude Mythos Preview conquers AISI cyber ranges

According to bcherny, UK AISI verified Mythos Preview solved both end-to-end cyber ranges and set precision records on XBOW benchmarks. (Source)

Share 05-13-2026 17:40

Claude Cowork Opus 4.7 one-shots flight bookings

According to @bcherny, Claude Cowork with Opus 4.7 booked multi-leg flights in one shot, signaling stronger agent reliability and travel automation. (Source)

Share 05-12-2026 00:22

Opus 4.7 Effort Levels Explained: Adaptive Thinking Settings for Faster or Smarter AI Responses

According to @bcherny on X, Opus 4.7 replaces fixed thinking budgets with adaptive thinking and introduces adjustable effort levels to trade off speed and token usage against reasoning depth and capability (source: X post by Boris Cherny, Apr 16, 2026). As reported by the same source, lower effort yields faster outputs with fewer tokens, while higher effort delivers more intelligent, capable responses, with xhigh recommended for most tasks and max for the hardest tasks. According to the post, the /effort command sets the level, and max applies only to the current session while other levels persist, signaling practical controls for enterprises to manage latency, cost per request, and quality. For AI product teams, this enables dynamic orchestration—e.g., defaulting to medium effort for routine prompts and programmatically escalating to xhigh or max for complex reasoning—optimizing infrastructure spend and user experience. (Source)

Share 04-16-2026 18:38

Anthropic Opus 4.7 Auto Mode: Latest Hands‑Free Workflow Breakthrough for Long‑Running AI Tasks

According to @bcherny on X, Anthropic’s Opus 4.7 now supports an Auto mode that removes repeated permission prompts, enabling the model to run complex, long‑running workflows such as deep research, large code refactors, multi‑step feature builds, and iterative performance tuning without constant human supervision. As reported by the post, this shift streamlines agentic execution loops—planning, tool use, and verification—reducing friction for tasks that previously required frequent approvals. For engineering teams, the business impact includes faster delivery cycles and lower context-switch overhead; for product teams, it opens opportunities to automate benchmark‑driven iterations and background jobs. According to the same source, the key value is sustained autonomy with fewer interruptions, which can improve throughput for codebases and data projects while preserving alignment controls at the session level. (Source)

Share 04-16-2026 18:38