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Model: "claude-4"
SmolLM3: the SOTA 3B reasoning open source LLM
smollm3-3b olmo-3 grok-4 claude-4 claude-4.1 gemini-nano hunyuan-a13b gemini-2.5 gemma-3n qwen2.5-vl-3b huggingface allenai openai anthropic google-deepmind mistral-ai tencent gemini alibaba open-source small-language-models model-releases model-performance benchmarking multimodality context-windows precision-fp8 api batch-processing model-scaling model-architecture licensing ocr elonmusk mervenoyann skirano amandaaskell clementdelangue loubnabenallal1 awnihannun swyx artificialanlys officiallogank osanseviero cognitivecompai aravsrinivas
HuggingFace released SmolLM3-3B, a fully open-source small reasoning model with open pretraining code and data, marking a high point in open source models until Olmo 3 arrives. Grok 4 was launched with mixed reactions, while concerns about Claude 4 nerfs and an imminent Claude 4.1 surfaced. Gemini Nano is now shipping in Chrome 137+, enabling local LLM access for 3.7 billion users. Tencent introduced Hunyuan-A13B, an 80B parameter model with a 256K context window running on a single H200 GPU. The Gemini API added a batch mode with 50% discounts on 2.5 models. MatFormer Lab launched tools for custom-sized Gemma 3n models. Open source OCR models like Nanonets-OCR-s and ChatDOC/OCRFlux-3B derived from Qwen2.5-VL-3B were highlighted, with licensing discussions involving Alibaba.
not much happened today
grok-4 jamba ernie-4.5 claude-4-sonnet claude-4 kontext-dev ai21-labs hugging-face baidu perplexity-ai deepmind anthropic reinforcement-learning fine-tuning energy-based-transformers ssm-transformer context-windows length-generalization recurrent-neural-networks attention-mechanisms 2-simplicial-attention biomedical-ai instruction-following open-weight-models python-package-management _philschmid corbtt jxmnop sedielem _akhaliq slashml alexiglad clementdelangue _albertgu tri_dao theaitimeline deep-learning-ai
Over the holiday weekend, key AI developments include the upcoming release of Grok 4, Perplexity teasing new projects, and community reactions to Cursor and Dia. Research highlights feature a paper on Reinforcement Learning (RL) improving generalization and reasoning across domains, contrasting with Supervised Fine-Tuning's forgetting issues. Energy-Based Transformers (EBTs) are proposed as a promising alternative to traditional transformers. AI21 Labs updated its Jamba model family with enhanced grounding and instruction following, maintaining a 256K context window. Baidu open-sourced its massive 424 billion parameter Ernie 4.5 model, while Kontext-dev became the top trending model on Hugging Face. Advances in length generalization for recurrent models and the introduction of 2-simplicial attention were noted. In biomedical AI, Biomni, powered by Claude 4 Sonnet, demonstrated superior accuracy and rare disease diagnosis capabilities. Additionally, the Python package manager
uv
received praise for improving Python installation workflows. not much happened today
deepseek-r1-0528 pali-gemma-2 gemma-3 shieldgemma-2 txgemma gemma-3-qat gemma-3n-preview medgemma dolphingemma signgemma claude-4 opus-4 claude-sonnet-4 codestral-embed bagel qwen nemotron-cortexa gemini-2.5-pro deepseek-ai huggingface gemma claude bytedance qwen nemotron sakana-ai-labs benchmarking model-releases multimodality code-generation model-performance long-context reinforcement-learning model-optimization open-source yuchenj_uw _akhaliq clementdelangue osanseviero alexalbert__ guillaumelample theturingpost lmarena_ai epochairesearch scaling01 nrehiew_ ctnzr
DeepSeek R1 v2 model released with availability on Hugging Face and inference partners. The Gemma model family continues prolific development including PaliGemma 2, Gemma 3, and others. Claude 4 and its variants like Opus 4 and Claude Sonnet 4 show top benchmark performance, including new SOTA on ARC-AGI-2 and WebDev Arena. Codestral Embed introduces a 3072-dimensional code embedder. BAGEL, an open-source multimodal model by ByteDance, supports reading, reasoning, drawing, and editing with long mixed contexts. Benchmarking highlights include Nemotron-CORTEXA topping SWEBench and Gemini 2.5 Pro performing on VideoGameBench. Discussions on random rewards effectiveness focus on Qwen models. "Opus 4 NEW SOTA ON ARC-AGI-2. It's happening - I was right" and "Claude 4 launch has dev moving at a different pace" reflect excitement in the community.
Mistral's Agents API and the 2025 LLM OS
qwen claude-4 chatgpt o3 o4 mistral-ai langchain-ai openai meta-ai-fair agent-frameworks multi-agent-systems tool-use code-execution web-search model-context-protocol persistent-memory function-calling open-source no-code reinforcement-learning model-performance agent-orchestration omarsar0 simonw swyx scaling01
The LLM OS concept has evolved since 2023, with Mistral AI releasing a new Agents API that includes code execution, web search, persistent memory, and agent orchestration. LangChainAI introduced the Open Agent Platform (OAP), an open-source no-code platform for intelligent agents. OpenAI plans to develop ChatGPT into a super-assistant by H1 2025, competing with Meta. Discussions around Qwen models focus on reinforcement learning effects, while Claude 4 performance is also noted. The AI Engineer World's Fair is calling for volunteers.
not much happened today
claude-4 claude-4-opus claude-4-sonnet gemini-2.5-pro gemma-3n imagen-4-ultra anthropic google-deepmind openai codebase-understanding coding agentic-performance multimodality text-to-speech video-generation model-integration benchmarking memory-optimization cline amanrsanger ryanpgreenblatt johnschulman2 alexalbert__ nearcyan mickeyxfriedman jeremyphoward gneubig teortaxesTex scaling01 artificialanlys philschmid
Anthropic's Claude 4 models (Opus 4, Sonnet 4) demonstrate strong coding abilities, with Sonnet 4 achieving 72.7% on SWE-bench and Opus 4 at 72.5%. Claude Sonnet 4 excels in codebase understanding and is considered SOTA on large codebases. Criticism arose over Anthropic's handling of ASL-3 security requirements. Demand for Claude 4 is high, with integration into IDEs and support from Cherry Studio and FastHTML. Google DeepMind introduced Gemini 2.5 Pro Deep Think and Gemma 3n, a mobile multimodal model reducing RAM usage by nearly 3x. Google's Imagen 4 Ultra ranks third in the Artificial Analysis Image Arena, available on Vertex AI Studio. Google also promoted Google Beam, an AI video model for immersive 3D experiences, and new text-to-speech models with multi-speaker support. The GAIA benchmark shows Claude 4 Opus and Sonnet leading in agentic performance.
Anthropic releases Claude 4 Sonnet and Opus: Memory, Agent Capabilities, Claude Code, Redteam Drama
claude-4 claude-4-opus claude-4-sonnet claude-3.5-sonnet anthropic instruction-following token-accounting pricing-models sliding-window-attention inference-techniques open-sourcing model-accessibility agent-capabilities-api extended-context model-deployment
Anthropic has officially released Claude 4 with two variants: Claude Opus 4, a high-capability model for complex tasks priced at $15/$75 per million tokens, and Claude Sonnet 4, optimized for efficient everyday use. The release emphasizes instruction following and extended work sessions up to 7 hours. Community discussions highlight concerns about token pricing, token accounting transparency, and calls for open-sourcing Claude 3.5 Sonnet weights to support local model development. The news also covers Claude Code GA, new Agent Capabilities API, and various livestreams and reports detailing these updates. There is notable debate around sliding window attention and advanced inference techniques for local deployment.