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News
It passed CI. It passed your evals. The customer still got the wrong answer.
3+ hour, 51+ min ago (771+ words) Your AI agent returned a 200, passed its faithfulness check, and still answered the wrong question. The evidence that explains why lives in the trace....
The AI-native SDLC won't be one process
1+ day, 3+ hour ago (92+ words) Anthropic says code is no longer the bottleneck. It's right -- but the process that catches your agent's mistakes can't be one size for every change....
Stop AI code sprawl before it destroys your software design
3+ day, 5+ hour ago (450+ words) Prevent AI code sprawl and Comprehension Debt. Use Python tools like pytest-archon to enforce Executable Architecture in your CI/CD....
Harness rebuilt its Git repository for nonstop AI agent traffic
4+ day, 6+ hour ago (891+ words) As one of Harness’s field CTOs, Martin Reynolds spends much of his time asking engineering leaders one question with no easy answer. It’s how they’re keeping up with all the pull requests their coding agents now produce. One of them…...
AI broke code review. Two experts disagree on what replaces it.
5+ day, 2+ hour ago (330+ words) Ask two experienced engineers about how to handle the flood of AI-generated code in their review queues, and you’ll get two different answers. The debate remains very much unsettled. And on Tuesday, September 29, two industry leaders will join a live…...
“Twenty years of brand building simply froze in time”: How coding agents select their tools of choice
6+ day, 5+ hour ago (311+ words) A new study shows Claude Code, Cursor, and Codex pick wildly different tools for the same job - and vendors are racing to influence the choice....
Claude Fable 5.1 vs. Fable 5: On real work, I couldn't tell them apart.
1+ week, 1+ day ago (549+ words) Anthropic shipped Claude Fable 5.1 on September 1, claiming doubled performance in agentic research. I ran it against Fable 5 on four real jobs and tracked every token. Both scored perfectly, and on the hardest task, the new model billed more than double…...
"1% of my engineers are responsible for 40% of token spend": Why Coder and SpaceXAI want to give developers nice things
1+ week, 2+ day ago (145+ words) Coder now lets regulated enterprises run Cursor's cloud agents on their own infrastructure, without losing security control....
The systems guide to production token optimization
1+ week, 2+ day ago (542+ words) Scale AI systems efficiently by treating token optimization as a distributed systems and hardware utilization challenge....