
Happy Wednesday!
Today’s lineup shows AI moving into developer hands and tightening its security game. OpenAI has released fully open-weight GPT-OSS models that can run locally on a single GPU, Anthropic pushed out Claude Opus 4.1 with sharper coding skills, and Google is giving every GitHub repo a free Gemini teammate. Microsoft raced to bundle GPT-OSS into Windows AI Foundry, its researchers debuted an autonomous malware-hunting agent, and Nvidia pushed back against government talk of backdoors in its GPUs. Here are the details.
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1. OpenAI unveils GPT-OSS for on-device reasoning
OpenAI released two Apache-2 licensed models, gpt-oss-120b and gpt-oss-20b, claiming near-parity with proprietary o-series models on key reasoning benchmarks while running on a single 80 GB or 16 GB GPU, respectively. The weights ship with full chain-of-thought, 128 k context and tool-use support, making them fit for local agents and edge devices. Early partners like AI Sweden and Snowflake are already fine-tuning the models on private data.

2. Claude Opus 4.1 boosts coding and multi-step tasks
Anthropic’s incremental upgrade delivers a 74.5 percent score on the SWE-bench Verified test, improves multi-file refactoring and agentic search, and posts a one-standard-deviation leap on Windsurf’s junior-developer benchmark. Opus 4.1 rolls out to paid Claude users, Claude Code, the API, Amazon Bedrock and Google Vertex AI at no extra cost.

3. Gemini CLI GitHub Actions turns AI into a repo teammate
Google’s new beta workflow lets any GitHub project call Gemini 2.5 Pro for free to triage issues, review pull requests and accept @gemini-cli commands such as “write tests” or “fix this bug.” Security features include credential-less authentication via Workload Identity Federation, command allow-listing and OpenTelemetry logging for full transparency.

4. Windows AI Foundry gets GPT-OSS for local inference
Microsoft added the 20-billion-parameter GPT-OSS model to Windows AI Foundry the day after OpenAI’s release. PCs with at least 16 GB of VRAM can now run the model offline, and Microsoft hints at future Copilot Plus optimizations. Amazon has also adopted GPT-OSS in its cloud, signaling broader competition for lightweight open weights.

5. Project Ire autonomously reverse-engineers malware
Microsoft Research introduced Project Ire, an AI agent that chains decompilers and binary-analysis tools to classify unknown software with 0.98 precision and 0.83 recall. The system has already authored a conviction case used by Microsoft Defender to block an APT sample, showing it can match expert reverse engineers at scale while scanning telemetry from more than one billion devices.

6. Nvidia rejects calls for GPU backdoors and kill switches
After U.S. lawmakers floated a Chip Security Act that would mandate remote kill switches to curb gray-market exports, Nvidia’s chief security officer declared that such backdoors “do not and should not exist” in its AI GPUs. The statement comes as China probes H20 chips for hidden weaknesses, underscoring the geopolitical tightrope Nvidia faces while protecting its global trust.

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Stay tuned for more updates, and have a fantastic day!
Cheers,
Zephyr