We Got Claude to Build CUDA Kernels and teach open models!
… Thanks for the feedback - we're planning a sweep of PR/Issues early next week, and considering incorporating a sandbox mechanism!
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Harness design for long-running application development
… On 4.5, that boundary was close: our builds were at the edge of what the generator could do well solo, and the evaluator caught meaningful issues across the build. …
An update on recent Claude Code quality reports
… We've additionally added guidance to our CLAUDE.md to ensure model-specific changes are gated to the specific model they're targeting. For any change that could trade off against intelligence, we'll add soak periods, a broader eval suite, and gradual rollouts so we catch issues earlier. …
I tested Claude's two biggest competitors because of its usage limits, and one banned my account
… I'm not the only one experiencing issues, either. …
I used Claude Code, Google Antigravity, and Codex for a month and I have a clear winner for you
… Not quite. Anthropic's three guiding principles for Claude are Helpful, Harmless, and Honest. …
Introducing advanced tool use on the Claude Developer Platform
… Use it when: Tool definitions consuming 10K tokens Experiencing tool selection accuracy issues Building MCP-powered systems with multiple servers 10+ tools available Less beneficial when: Small tool library budget "travel limit" : exceeded.append { "name": member "name" , "spent": total, "limit": b… …
Claude Code auto mode: a safer way to skip permissions
… In headless mode claude -p there is no UI to ask the human, so we instead terminate the process. …