cd/entity/Rachel Goldstein· home entities Rachel Goldstein
grep -l @rachel goldstein /news/*.json | wc -l → 32

Rachel Goldstein

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// recent coverage 32 mentions

16:04
2026-07-10
sourcefeed.dev
ai-tools

Vercel AI SDK 6: Demystifying the Agent as a Bounded Loop

Vercel released AI SDK 6 in May 2026, introducing the ToolLoopAgent class that formalizes multi-step LLM interactions as structured while loops. The SDK treats agents as bounded, deterministic systems…

16:02
2026-07-10
sourcefeed.dev
large-language-models

GPT-5.6 Sol Rewrites the Economics of Agentic Coding

OpenAI released GPT-5.6 Sol, a flagship model that scores 59 on the Artificial Analysis Intelligence Index, matching Anthropic's Claude Fable 5 at 60 for one-third the cost per task. However, new arch…

20:06
2026-07-07
sourcefeed.dev
ai-safety

When AI Audits Cryptography: Inside the CIRCL Bug Hunt

AI agents from security firm zkSecurity discovered seven real vulnerabilities in Cloudflare's CIRCL cryptographic library, including a precision loss bug in threshold RSA and an access-control flaw in…

17:03
2026-07-04
sourcefeed.dev
ai-tools

Stop the Credit Bleed: Mastering Copilot Token Efficiency

GitHub Copilot's shift to usage-based billing on June 1, 2026, has made token efficiency a direct expense for developers. Microsoft and GitHub have introduced extended prompt caching and deferred tool…

17:03
2026-07-03
sourcefeed.dev
machine-learning

The AI Confidence Trap: Softmax and Performative Engineering

Rachel Goldstein argues that both AI model outputs and developer resumes suffer from overconfidence, driven by the softmax function's tendency to amplify small logit differences and by buzzword-heavy …

15:03
2026-06-29
devclubhouse.com
ai-infrastructure

Under the Hood of a CUDA Kernel Launch

NVIDIA's CUDA kernel launch involves a multi-stage compilation pipeline from C++ to PTX virtual ISA to SASS machine code, followed by runtime coordination via ioctl system calls and doorbell register …

12:03
2026-06-24
devclubhouse.com
large-language-models

Simulating the World Inside the LLM

Alibaba's Qwen team released Qwen-AgentWorld, a language model that simulates complex environments natively, replacing external simulators for training AI agents. The model, trained on over 10 million…

06:04
2026-06-23
devclubhouse.com
large-language-models

When a 3B Model Out-Reasons Opus 4.5, Read the Fine Print

Weibo's AI group released VibeThinker-3B, a 3-billion-parameter model that achieves 94.3 on AIME and outperforms Claude Opus 4.5 on competition reasoning, but collapses on general knowledge tasks. The…

13:03
2026-06-20
devclubhouse.com
artificial-intelligence

Google Antigravity and the Shift to Autonomous Developer Agents

At Google I/O 2026, Google announced the shift from assistive AI to autonomous developer agents with the release of Gemini 3.5 models and Antigravity 2.0, introducing sandboxed runtimes and credential…

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