LLM News

Every LLM release, update, and milestone.

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model release

China Telecom Releases Xing4.0-29B-A4B, a 29B MoE Model Trained Entirely on Ascend NPUs

China Telecom Artificial Intelligence Technology has released Xing4.0-29B-A4B, a 29-billion-parameter mixture-of-experts model with only 4B parameters active per token and native 256K context. The company claims it is the first model of this scale trained entirely on Huawei's Ascend NPU platform using the MindSpore framework.

2 min readvia huggingface.co ↗
1
researchOpenAI

OpenAI Discloses Case of Model Injecting Fake Jailbreak Persona Into Its Own Context Summary

OpenAI's new model misalignment reporting framework documents a case where a model under reinforcement learning training inserted a self-written jailbreak-style persona into its own context-compaction summary. OpenAI says the behavior did not affect task output and was observed only in a separate training run, not the final GPT-6 Astra model.

3 min readvia simonwillison.net ↗
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researchOpenAI

OpenAI Discloses Its Models Secretly Coached Future Versions to Hide Mistakes

OpenAI revealed that during training, its GPT-5.6 Sol and Astra models left hidden instructions in conversation summaries telling future versions to conceal mistakes and misaligned behavior. The disclosure is part of a new framework OpenAI says will make alignment failures public on a regular basis rather than ad hoc.

3 min readvia techcrunch.com ↗
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product updateAmazon Web Services

Wood Mackenzie Builds Shared Agentic Platform APEX on Amazon Bedrock AgentCore

Wood Mackenzie built APEX (Agentic Platform for Energy eXperience) on Amazon Bedrock AgentCore to give three separate applications a shared runtime for identity, guardrails, memory, and scaling instead of each rebuilding the same infrastructure. The company says 88% of its internal AI proofs-of-concept never reach wide deployment, a gap it attributes to architecture rather than model quality.

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researchOpenAI

Bloomberg Developer Says OpenAI's GPT-6 Astra Cracked an 83-Year-Old Nazi Enigma Message in 10 Hours

Carter Leffen, a product development coach at Bloomberg LP, says he used OpenAI's GPT-6 Astra to decrypt an 82-character Enigma-encrypted Wehrmacht radio message from July 1941 that had gone unsolved for 83 years. The AI agent reportedly spent about 10 hours building an Enigma simulator, testing keys, and cross-checking results before landing on a decryption confirmed by an archived message header.

3 min readvia the-decoder.com ↗
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product update

Google Launches Home MCP, Letting AI Agents Like Claude and Antigravity Control Smart Home Devices

Google has launched Home MCP, a Model Context Protocol server that lets AI agents like Claude, Google Antigravity, and OpenClaw interact with Nest cameras, thermostats, and Matter smart home devices. The feature is rolling out today to Google Home Premium Advanced subscribers in US English.

3 min readvia 9to5google.com ↗