RedditGPT-5.4 Leaked Extreme Reasoning 1M Context WindowThe Information·high signalXBlueskyLinkedInCopy linkThe Information reports GPT-5.4 with 1M context and extreme reasoning mode. Spotted on LMArena and in Codex commits.SourceSource pageThe Information↳ Follow the threadStack layer / Threat patternGPT-6-Astra propagated into four OpenAI-ecosystem SDKs within roughly 24 hours of the model landingGitHubStack layer / Threat patternCrewAI 1.15.19 downgrades its own telemetry from core count to a coarse machine-size bandGitHubPolicy dependency / Stack layerLLMs Make More and Larger Edits on Code Written by a Different LLMarXiv 2609.03894Stack layer / ContrastAstra's prompt-injection attack success rate is 8.5% against 27.0% for GPT-5.6 Sol on Gray Swan's IPI ArenaOpenAI Deployment Safety HubStack layer / Contrastcockpit-tools manages accounts across eight different AI IDEs and carries 532 open issues against just 55 open PRsGitHub TrendingPolicy dependency / Stack layerSentinel-RL moves the graph reasoning out of the LLM so a SOC agent can operate on a 24M-edge auth grapharXivStack layer / Threat patternFIDO2's Real Weakness Is the Environment Around It, Not the CryptographyarXiv 2609.03789Stack layer / Threat patternGoogle's Gemini 3.8 Flash Cyber Is Gated Behind an Application-Only Program, Not SoldGoogle Blog (corroborated by Help Net Security and 9to5Google)