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AIClaude Code v2.1.290 adds serverToolUses to plugin turn.step results and agentId to tool.check hook events, so hooks can distinguish subagent permission checks. The release also adds a Deny button to the Claude apps gateway sign-in approval page, plus claude attach and claude logs accepting partial session names.
meng shao@shao__mengXAI score47AIReflection AI previewed Beam, an MoE open model with 501B total and 23B active parameters, claiming 3–4x better inference efficiency than GLM 5.2. The model was pretrained from scratch on 23.8T tokens in four weeks, and its RL run used 10,500 GB300 GPUs over four weeks, which the post describes as possibly the largest publicly recorded. Reflection positions Beam as a workhorse open model for enterprises, governments, and developers, with full weights due this month.
A.I.Warper@AIWarperXAI score42AITencent has open-sourced a new video model called Prism, according to the post. The poster says the previews look solid, with a Hugging Face link provided for access.
Dongxi NLP@dongxi_nlpXAI score60AIThe author says Beam, a 501B-parameter open model from Reflection AI, comes close to GLM 5.2 in capability but trails GLM 5.3, Kimi K3, and DeepSeek V4.1 Flash in several areas. The author attributes Beam's competitiveness mainly to inference efficiency, with inference compute at roughly one-third to one-quarter of GLM 5.2's.
Sophia Yang@sophiamyangXPickAI score62AISophia Yang congratulated Reflection AI on Beam, a 501B-parameter open model with 23B active per token. She attributes its efficiency to an RL length penalty that discourages unnecessary tokens and a sparse MoE architecture. Reflection says full weights will be released this month, and the quoted post reports training over 100 million rollouts on 10.5K NVIDIA GB300 GPUs over four weeks.
Why it matters: The post explains Beam's efficiency through an RL length penalty and sparse MoE design, with benchmark charts comparing it against other open models.
Replit ⠕@ReplitOfficialAI score22AIIn a new Times Tech podcast episode, Replit's Amjad Masad discusses vibe coding, the lost joy of building with computers, and why AI doomerism misses the accountability question. The episode asks who is responsible when AI agents act on people's behalf and go too far.
AIPyTorch moves all image, video, and audio decoding and encoding into TorchCodec, which handles CPU and CUDA. TorchVision and TorchAudio now focus on transforms, and the older decoding APIs in both libraries are deprecated or removed. All three libraries are now ABI stable, so they no longer need rebuilding for each PyTorch release.
NVIDIA AI@NVIDIAAIOfficialAI score39AINVIDIA has published Nemotron-Labs-3-Competitive-Coding on Hugging Face, a competitive-programming specialist model built on Nemotron-3-Ultra. The model is available in the NVIDIA-Nemotron-Labs-3-Competitive-Coding-550B-A55B-NVFP4 repository, indicating a 550B-parameter total size with 55B active parameters in NVFP4 format.
clem 🤗@ClementDelangueXPickAI score72AIReflection AI introduced Beam, an agentic open model with 501B total parameters and 23B active parameters, trained end-to-end from scratch. The quoted announcement says it targets frontier reasoning efficiency and coding and agentic tasks, with full weights due this month. Clément Delangue, Hugging Face's CEO, reposted it with a welcome to the Reflection organization on Hugging Face.
Why it matters: The quoted announcement names Beam's parameter scale, active-parameter count, and coding and agentic focus, which helps readers gauge where it fits among open models.
ollama@ollamaOfficialAI score46AIOllama says it is excited about a new open model from Reflection AI and that more US models are coming to Ollama. Reflection AI's Beam is described as an agentic open model with 501B total parameters and 23B active, with full weights due this month.
Alexander Doria@DorialexanderXAI score23AIAlexander Doria argues that sandboxes are the new tokens, a claim presented without elaboration. The post quotes Reflection AI's introduction of Beam, an agentic open model with 501B total parameters and 23B active, with full weights to be released this month.
Georgi Gerganov@ggerganovXAI score36AIThe llama.cpp v0.6.0 release adds Clef support for text and vision, along with high-quality support for Qwen3.8-Flash-Next. It also brings a major Metal performance improvement and a new llama_batch_ext API, and the project website at llama.app has been refreshed.
Nathan Lambert@natolambertXAI score43AIReflection AI has introduced Beam, an open agentic model with 501B total parameters and 23B active, trained end-to-end from scratch. The company says Beam advances the Western open frontier on coding and agentic tasks, with full weights set for release this month.
Reflection@reflection_aiOfficialAI score42AIReflection AI says its Beam model, with a 500B form factor, combines strong agentic performance and efficient reasoning for enterprises, governments, and developers. Beam is in final red-teaming and will be released this month under an Apache 2.0 license, with quantized FP8 and NVFP4 versions for efficient deployment. Early access sign-ups are open on the company's platform.
Alex Heath@alexeheathXAI score52AIReflection is set to release Beam, its first open-weight AI model, aiming to become a Western counterpart to DeepSeek. The source says Beam is trained from scratch for coding, reasoning, and AI agents, with benchmarks placing it alongside the strongest open models and more efficient token economics. Reflection has raised $4.6 billion from investors including Nvidia, Sequoia, and Lightspeed, and the interview covers its monetization plans for open-weight models.
Suno@sunoOfficialAI score29AISuno announces albums as a new feature for artists to present cohesive collections on the platform. The post introduces artists behind some of the first albums released on Suno, linking to a blog highlighting them.
Cognition@cognitionOfficialAI score58AICognition introduces Dreaming, a feature in which Devin builds a memory graph of how a user likes to work across sessions. At night, Devin self-improves this memory by removing stale records and discovering latent information. Cognition also says it is creating an open-source standard called Agent Memory Repo, linked in the post.
Cognition@cognitionOfficialAI score33AICognition introduced Agent Memory Repo, which stores memory records as files versioned with Git. The post says this simple primitive enables uses such as a message board shared across agent sessions.
Simon Willison@simonwXAI score22AISimon Willison re-ran Colin Fraser's earlier GPT-4o long-number addition experiment, this time testing Qwen 3.8 27B running locally. He compared the model's performance in both reasoning and non-reasoning modes.
AILiquidAI has released d1-omni-600M on Hugging Face, a 587M-parameter model that answers named yes/no, choice and score questions over text, images or up to 30 seconds of speech in a single forward pass. It returns typed answers with zero output tokens by reading the model's distribution over options, and is built on LFM2.5-Encoder-350M with a 16,384-token context length. The model is not a chat model and does not generate text.
Google AI@GoogleAIOfficialAI score46AILiving Models paired Google's Gemma 4 with BOTANIC-1, a plant-DNA model trained on 320 species, to identify causal genetic variants. In a melon yield test, the pipeline ranked the target mutation first out of 2,494 possibilities in under four minutes. The approach aims to speed up breeding of climate-resilient crops that would otherwise take years of field trials.
Nous Research@NousResearchOfficialAI score38AIUpstage's Solar Mini 4 is free on Nous Portal for the next two weeks. The model has 3B active parameters out of 35B total and a 512K context window. It scores 24 on the Artificial Analysis Intelligence Index, above models with roughly 10x the active parameters.
AIGitHub has released ReviewBench, an open benchmark for evaluating AI code review agents on 219 public pull requests across 19 languages. The benchmark reports grounded and augmented precision, recall, and F1 metrics, and its dataset, rubric, and judge are publicly available. GitHub says ReviewBench predicted the direction of a Copilot code review ensemble experiment's production results before A/B testing.
Why it matters: The post explains how ReviewBench was built and validated, and reports an offline-to-production comparison that shows how well a benchmark predicts real experiment outcomes.
clem 🤗@ClementDelangueXPickAI score62AIHugging Face says a capture proxy lets reinforcement learning train open models inside unmodified coding harnesses such as Claude Code, Codex, and OpenCode. The proxy records the exact token IDs and logprobs vLLM samples and hands them to TRL for training. On LFM2.5-2.6B, training in four harnesses at once raised OpenCode results from 34% to 58%, while SFT on 3,189 Qwen3.8-27B rollouts plateaued at 47.5%.
Why it matters: The capture proxy lets models train inside real coding harnesses without reimplementing them, with measured gains and a comparison against SFT on the same data.
Guillermo Rauch@rauchgXAI score44AIGuillermo Rauch introduced gdp-ts, a library, linter, and AI skill that uses "proofs" to enforce that sensitive functions are called only after an authorization check. The TypeScript typechecker verifies these proofs at compile time, aiming to stop security bugs from shipping, including those written by AI agents. The README models a Vercel API constraint requiring a role and entitlement proof to change a Project's password.
vLLM@vllm_projectOfficialAI score23AIFractalyze optimized Qwen3-Omni on vLLM-Omni for a single RTX 5090, using AWQ-4bit at batch size 1 with text prompts. In its tests, time to first audio dropped from 213ms to 23ms compared with stock vLLM-Omni. vLLM hopes the optimizations will be contributed upstream to benefit more users.
AIThe PyTorch Accelerator Integration Working Group released updates on its H1 2026 progress toward standardizing how new hardware connects to the framework. Key workstreams include the Cross-Repository CI Relay (CRCR), which automatically reports downstream backend test results to a shared dashboard, and refactored test suites that decouple PyTorch's 600,000-plus tests from specific accelerators.
AICloudflare announced 46 products and updates during Birthday Week 2026, including the cf CLI for the entire Cloudflare API and EmDash, an open-source Astro-based serverless CMS whose plugins run in isolated Worker sandboxes. The company also said it plans to become a public certificate authority that issues free Merkle Tree Certificates for post-quantum authentication.
AILiquid AI has released d1-3B, a 3B parameter multimodal model post-trained to return calibrated, typed answers to yes/no, choice, and score questions in one forward pass. The source reports a Decision Index 0.2.1 score of 48.57, the highest among models under 10B in its table, and 8 ms per decision on an NVIDIA RTX 4090.
Why it matters: The source gives benchmark scores against named peer models and edge latency figures across several hardware targets, helping readers judge fit for on-device decision pipelines.
AISuno recently launched Albums, a feature for turning users' best music into full-length projects. The blog highlights five albums, including naenia by Oakwood///diskrot, Old Soul by Isaiah Wallace, and phenomenal by KakerMix///diskrot.
SemiAnalysis@SemiAnalysis_XAI score22AIAfter NVIDIA acquired SchedMD, the SLURM scheduler's support for non-NVIDIA chips has allegedly worsened, and AMD built a competing scheduler called spur. The author says NVIDIA has not kept SLURM hardware neutral despite its earlier pledge, and questions whether Hugging Face will face the same fate after NVIDIA's acquisition of it.
Design Arena@DesignArenaOfficialAI score36AIOpenAI's GPT-6 Astra now ranks first on four Design Arena leaderboards: 3D Design (1484), Frontend (1397), Full Stack (1355), and Image-to-HTML (1272). The post says the model was released just a month ago and performs especially well on 3D design tasks.
Empero@EmperoAIXAI score50AIEmpero announces Homebrew, an open agent that builds AI models for users. According to the post, users describe what they want, and the agent picks a base model, prepares data, sets parameters, and runs training. The project is available on GitHub at empero-org/homebrew-ai.
Teknium 🪽@TekniumXAI score38AIThe Hermes plugins catalog has grown to nearly 500 mods that add capabilities, model providers, memory enhancements, and visual components. The full list is available in the Hermes documentation at
Teknium 🪽@TekniumXAI score29AITeknium announced that an ESP32 is now running at home, with no further technical details given in the post. The post is a brief update that quotes an @adolandev post about Hermes Gadget, an open SDK for a small device that speaks to a user's own Hermes model and can be tested with a desktop simulator.
AIMicrosoft and Hugging Face released ThinkingBox, a benchmark that grades AI agents on the terminal backend state and side effects they leave behind rather than their final responses. Each of 507 stateful business tasks runs 20 times from a clean backend, and the post reports pass@1, pass@20, and observed 20/20 counts, plus cost per successful and per dependable task across 18 models. The harness and dataset are available on Hugging Face, with the OpenEnv interface for running evaluations.
Why it matters: The post shows why checking the database state, not tool calls or final replies, exposes agent failures, and gives a repeat-run method for judging reliability.
StepFun@StepFun_aiOfficialAI score28AIStepFun's Step 5 Preview has debuted on the Vals leaderboard, ranking #7 among open-weight models just ahead of Qwen 3.8 Max. The model costs $2.54 per task.
Harrison Chase@hwchase17XAI score28AILangChain's ModelRouterMiddleware uses Jev to read the first message and select a model that handles the entire run. Because Jev is cheap, developers can also re-select a model after each tool result using a custom hook. The router was demonstrated in a quick project by @dbreunig built with DSPy and Jev.
AIIndexTeam released Index-Echo-S2ST-9B-FP4, an NVFP4 (W4A4) quantization of the Index-Echo-S2ST-9B speech-to-speech translation model, with only its text LLM backbone quantized. Perplexity rose from 3.8218 to 3.9650 (+3.75%) on a fixed corpus, while zh→en and en→zh outputs were semantically equivalent, and full FP4 speedup requires an NVIDIA Blackwell GPU.
AIIndexTeam released Index-Echo-S2ST-2B-FP4, an NVFP4 (W4A4) quantized version of the Index-Echo-S2ST-2B speech-to-speech translation model, with only the text LLM backbone quantized and the audio components kept in BF16. On a fixed corpus, perplexity rose from 5.9332 to 6.4980 (+9.52%), while zh->en and en->zh generations matched the original. Full FP4 acceleration requires an NVIDIA Blackwell GPU, and the model loads via compressed-tensors in vLLM or transformers.