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Topic: "performance-optimization"
GPT-5.2 (Instant/Thinking/Pro): 74% on GDPVal, 1.4x cost of GPT 5.1, on 10 Year OpenAI Anniversary
gpt-5.2 openai scientific-reasoning knowledge-work long-context benchmarking performance-optimization pricing software-engineering vision sama yanndubs polynoamial scaling01
OpenAI celebrates its 10 year anniversary with the launch of GPT-5.2, featuring significant across-the-board improvements including a rare 40% price increase. GPT-5.2 shows strong performance gains in scientific reasoning, knowledge work, and economic value tasks, achieving over 70.9% human expert parity on GDPval tasks and reaching 90.5% on ARC-AGI-1 with a large efficiency gain. Despite some mixed results in coding benchmarks and vision capabilities, GPT-5.2 is well received as a major update with extended context and tiered reasoning controls. Pricing is set at $1.75/M input and $14/M output tokens with a 90% cache discount. The update is live in ChatGPT and API, marking a significant milestone for OpenAI's LLM development.
Kimi K2 Thinking: 1T-A32B params, SOTA HLE, BrowseComp, TauBench && Soumith leaves Pytorch
kimi-k2-thinking gemini moonshot-ai google apple vllm_project arena baseten yupp_ai mixture-of-experts quantization int4 context-window agentic-ai benchmarking model-deployment inference-acceleration api performance-optimization eliebakouch nrehiew_ andrew_n_carr ofirpress artificialanlys sundarpichai akhaliq
Moonshot AI launched Kimi K2 Thinking, a 1 trillion parameter mixture-of-experts (MoE) model with 32 billion active experts, a 256K context window, and native INT4 quantization-aware training. It achieves state-of-the-art results on benchmarks like HLE (44.9%), BrowseComp (60.2%), and agentic tool use with 200-300 sequential tool calls. The model is deployed with vLLM support and OpenAI-compatible APIs, available on platforms like Arena, Baseten, and Yupp. Early user reports note some API instability under launch load. Meanwhile, Google announced the TPU v7 (Ironwood) with a 10× peak performance improvement over TPU v5p, aimed at training and agentic inference for models like Gemini. Apple added support for M5 Neural Accelerators in llama.cpp for inference acceleration.
not much happened today
kimi-linear kimi-delta-attention minimax-m2 looped-llms aardvark-gpt-5 moonshot-ai minimax bytedance princeton mila openai cursor cognition hkust long-context attention-mechanisms agentic-ai tool-use adaptive-compute coding-agents performance-optimization memory-optimization reinforcement-learning model-architecture kimi_moonshot scaling01 uniartisan omarsar0 aicodeking songlinyang4 iscienceluvr nrehiew_ gdb embeddedsec auchenberg simonw
Moonshot AI released Kimi Linear (KDA) with day-0 infrastructure and strong long-context metrics, achieving up to 75% KV cache reduction and 6x decoding throughput. MiniMax M2 pivoted to full attention for multi-hop reasoning, maintaining strong agentic coding performance with 200k context and ~100 TPS. ByteDance, Princeton, and Mila introduced Looped LLMs showing efficiency gains comparable to larger transformers. OpenAI's Aardvark (GPT-5) entered private beta as an agentic security researcher for scalable vulnerability discovery. Cursor launched faster cloud coding agents, though transparency concerns arose regarding base-model provenance. Cognition released a public beta for a desktop/mobile tool-use agent named Devin. The community discussed advanced attention mechanisms and adaptive compute techniques.
not much happened today
nemotron-nano-2 gpt-oss-120b qwen3 llama-3 minimax-m2 glm-4.6-air gemini-2.5-flash gpt-5.1-mini tahoe-x1 vllm_project nvidia mistral-ai baseten huggingface thinking-machines deeplearningai pytorch arena yupp-ai zhipu-ai scaling01 stanford transformer-architecture model-optimization inference distributed-training multi-gpu-support performance-optimization agents observability model-evaluation reinforcement-learning model-provenance statistical-testing foundation-models cancer-biology model-fine-tuning swyx dvilasuero _lewtun clementdelangue zephyr_z9 skylermiao7 teortaxestex nalidoust
vLLM announced support for NVIDIA Nemotron Nano 2, featuring a hybrid Transformer–Mamba design and tunable "thinking budget" enabling up to 6× faster token generation. Mistral AI Studio launched a production platform for agents with deep observability. Baseten reported high throughput (650 TPS) for GPT-OSS 120B on NVIDIA hardware. Hugging Face InspectAI added inference provider integration for cross-provider evaluation. Thinking Machines Tinker abstracts distributed fine-tuning for open-weight LLMs like Qwen3 and Llama 3. In China, MiniMax M2 shows competitive performance with top models and is optimized for agents and coding, while Zhipu GLM-4.6-Air focuses on reliability and scaling for coding tasks. Rumors suggest Gemini 2.5 Flash may be a >500B parameter MoE model, and a possible GPT-5.1 mini reference appeared. Outside LLMs, Tahoe-x1 (3B) foundation model achieved SOTA in cancer cell biology benchmarks. Research from Stanford introduces a method to detect model provenance via training-order "palimpsest" with strong statistical guarantees.
Anthropic raises $13B at $183B Series F
claude-code gpt-5 grok-4 claude sonnet-4 glm-4.5 deepseek-r1 anthropic mistral-ai x-ai salesforce galileo openpipe zhipu thudm enterprise-connectors agent-benchmarking reinforcement-learning inference-optimization memory-optimization cuda multi-token-prediction speculative-decoding tensor-offload performance-optimization real-time-guardrails cost-optimization swyx emilygsands _philschmid _lewtun omarsar0 _avichawla corbtt
Anthropic achieved a $183B post-money valuation in Series F funding by September 2025, growing from about $1B run-rate in January to over $5B run-rate by August 2025. Their Claude Code product saw >10x usage growth in three months and reached $500M run-rate revenue, serving over 300,000 business customers with a nearly 7x increase in large accounts. Mistral AI launched Le Chat with 20+ MCP connectors integrating with major SaaS platforms and persistent memory features. Benchmarking updates highlight GPT-5 leading agent intelligence indices, with strong performances from xAI's Grok and Anthropic's Claude families. Reliability tooling and agent evaluation advances were shared by Galileo, OpenPipe, and others. Zhipu/THUDM open-sourced Slime v0.1.0, enhancing RL infrastructure behind GLM-4.5 with significant decoding speed improvements and advanced tensor offload techniques.
The new OpenAI Agents Platform
reka-flash-3 o1-mini claude-3-7-sonnet llama-3-3-70b sonic-2 qwen-chat olympiccoder openai reka-ai hugging-face deepseek togethercompute alibaba ai-agents api model-releases fine-tuning reinforcement-learning model-training model-inference multimodality voice-synthesis gpu-clusters model-distillation performance-optimization open-source sama reach_vb
OpenAI introduced a comprehensive suite of new tools for AI agents, including the Responses API, Web Search Tool, Computer Use Tool, File Search Tool, and an open-source Agents SDK with integrated observability tools, marking a significant step towards the "Year of Agents." Meanwhile, Reka AI open-sourced Reka Flash 3, a 21B parameter reasoning model that outperforms o1-mini and powers their Nexus platform, with weights available on Hugging Face. The OlympicCoder series surpassed Claude 3.7 Sonnet and much larger models on competitive coding benchmarks. DeepSeek built a 32K GPU cluster capable of training V3-level models in under a week and is exploring AI distillation. Hugging Face announced Cerebras inference support, achieving over 2,000 tokens/s on Llama 3.3 70B, 70x faster than leading GPUs. Reka's Sonic-2 voice AI model delivers 40ms latency via the Together API. Alibaba's Qwen Chat enhanced its multimodal interface with video understanding up to 500MB, voice-to-text, guest mode, and expanded file uploads. Sama praised OpenAI's new API as "one of the most well-designed and useful APIs ever."
ChatGPT Canvas GA
llama-3-70b llama-3-1-8b tgi-v3 deepseek-v2.5-1210 coconut openai deepseek-ai meta-ai-fair huggingface cognition-labs hyperbolic google-deepmind code-execution gpt-integration model-finetuning gradient-checkpointing context-length latent-space-reasoning performance-optimization gpu-memory-optimization kubernetes gpu-marketplace ai-capabilities employment-impact neurips-2024 ai-scaling humor arav_srinivas sama jonathan-frankle dylan
OpenAI launched ChatGPT Canvas to all users, featuring code execution and GPT integration, effectively replacing Code Interpreter with a Google Docs-like interface. Deepseek AI announced their V2.5-1210 update improving performance on MATH-500 (82.8%) and LiveCodebench. Meta AI Fair introduced COCONUT, a new continuous latent space reasoning paradigm. Huggingface released TGI v3, processing 3x more tokens and running 13x faster than vLLM on long prompts. Cognition Labs released Devin, an AI developer building Kubernetes operators. Hyperbolic raised $12M Series A to build an open AI platform with an H100 GPU marketplace. Discussions included AI capabilities and employment impact, and NeurIPS 2024 announcements with Google DeepMind demos and a debate on AI scaling. On Reddit, Llama 3.3-70B supports 90K context length finetuning using Unsloth with gradient checkpointing and Apple's Cut Cross Entropy (CCE) algorithm, fitting on 41GB VRAM. Llama 3.1-8B reaches 342K context lengths with Unsloth, surpassing native limits.
Claude Crushes Code - 92% HumanEval and Claude.ai Artifacts
claude-3.5-sonnet claude-3-opus gpt-4o anthropic openai cognition benchmarking model-performance coding model-optimization fine-tuning instruction-following model-efficiency model-release api performance-optimization alex-albert
Claude 3.5 Sonnet, released by Anthropic, is positioned as a Pareto improvement over Claude 3 Opus, operating at twice the speed and costing one-fifth as much. It achieves state-of-the-art results on benchmarks like GPQA, MMLU, and HumanEval, surpassing even GPT-4o and Claude 3 Opus on vision tasks. The model demonstrates significant advances in coding capabilities, passing 64% of test cases compared to 38% for Claude 3 Opus, and is capable of autonomously fixing pull requests. Anthropic also introduced the Artifacts feature, enabling users to interact with AI-generated content such as code snippets and documents in a dynamic workspace, similar to OpenAI's Code Interpreter. This release highlights improvements in performance, cost-efficiency, and coding proficiency, signaling a growing role for LLMs in software development.
OpenAI's Instruction Hierarchy for the LLM OS
phi-3-mini openelm claude-3-opus gpt-4-turbo gpt-3.5-turbo llama-3-70b rho-1 mistral-7b llama-3-8b llama-3 openai microsoft apple deepseek mistral-ai llamaindex wendys prompt-injection alignment benchmarking instruction-following context-windows model-training model-deployment inference performance-optimization ai-application career-advice drive-thru-ai
OpenAI published a paper introducing the concept of privilege levels for LLMs to address prompt injection vulnerabilities, improving defenses by 20-30%. Microsoft released the lightweight Phi-3-mini model with 4K and 128K context lengths. Apple open-sourced the OpenELM language model family with an open training and inference framework. An instruction accuracy benchmark compared 12 models, with Claude 3 Opus, GPT-4 Turbo, and Llama 3 70B performing best. The Rho-1 method enables training state-of-the-art models using only 3% of tokens, boosting models like Mistral. Wendy's deployed AI-powered drive-thru ordering, and a study found Gen Z workers prefer generative AI for career advice. Tutorials on deploying Llama 3 models on AWS EC2 highlight hardware requirements and inference server use.
Multi-modal, Multi-Aspect, Multi-Form-Factor AI
gpt-4 idefics-2-8b mistral-instruct apple-mlx gpt-5 reka-ai cohere google rewind apple mistral-ai microsoft paypal multimodality foundation-models embedding-models gpu-performance model-comparison enterprise-data open-source performance-optimization job-impact agi-criticism technical-report arthur-mensch dan-schulman chris-bishop
Between April 12-15, Reka Core launched a new GPT4-class multimodal foundation model with a detailed technical report described as "full Shazeer." Cohere Compass introduced a foundation embedding model for indexing and searching multi-aspect enterprise data like emails and invoices. The open-source IDEFICS 2-8B model continues Google's Flamingo multimodal model reproduction. Rewind pivoted to a multi-platform app called Limitless, moving away from spyware. Reddit discussions highlighted Apple MLX outperforming Ollama and Mistral Instruct on M2 Ultra GPUs, GPU choices for LLMs and Stable Diffusion, and AI-human comparisons by Microsoft Research's Chris Bishop. Former PayPal CEO Dan Schulman predicted GPT-5 will drastically reduce job scopes by 80%. Mistral CEO Arthur Mensch criticized the obsession with AGI as "creating God."
Music's Dall-E moment
griffin command-r-plus gpt-4-0613 gpt-4-0314 mistral-8x22b codegemma stable-diffusion-1.5 command-r gemini-1.5 google mistral-ai lmsys cohere model-architecture benchmarking open-source model-quantization memory-optimization inference-speed multimodality finetuning performance-optimization audio-processing andrej-karpathy
Google's Griffin architecture outperforms transformers with faster inference and lower memory usage on long contexts. Command R+ climbs to 6th place on the LMSYS Chatbot Arena leaderboard, surpassing GPT-4-0613 and GPT-4-0314. Mistral AI releases an open-source 8x22B model with a 64K context window and around 130B total parameters. Google open-sources CodeGemma models with pre-quantized 4-bit versions for faster downloads. Ella weights enhance Stable Diffusion 1.5 with LLM for semantic alignment. Unsloth enables 4x larger context windows and 80% memory reduction for finetuning. Andrej Karpathy releases LLMs implemented in pure C for potential performance gains. Command R+ runs in realtime on M2 Max MacBook using iMat q1 quantization. Cohere's Command R model offers low API costs and strong leaderboard performance. Gemini 1.5 impresses with audio capabilities recognizing speech tone and speaker identification from audio clips.
Welcome /r/LocalLlama!
cerebrum-8x7b mixtral-7b gpt-3.5-turbo gemini-pro moistral-11b-v1 claude-opus qwen-vl-chat sakana openinterpreter reddit aether-research mistral-ai nvidia lmdeploy model-merging benchmarking quantization performance-optimization deployment vision fine-tuning training-data synthetic-data rag gui
Sakana released a paper on evolutionary model merging. OpenInterpreter launched their O1 devkit. Discussions highlight Claude Haiku's underrated performance with 10-shot examples. On Reddit's IPO, AINews introduces Reddit summaries starting with /r/LocalLlama, covering upcoming subreddits like r/machinelearning and r/openai. Aether Research released Cerebrum 8x7b based on Mixtral, matching GPT-3.5 Turbo and Gemini Pro on reasoning tasks, setting a new open-source reasoning SOTA. Moistral 11B v1 finetuned model from Cream-Phi-2 creators was released. A creative writing benchmark uses Claude Opus as judge. Hobbyists explore 1.58 BitNet ternary quantization and 1-bit LLMs training. Nvidia's Blackwell (h200) chip supports FP4 precision quantization. LMDeploy v0.2.6+ enables efficient vision-language model deployment with models like Qwen-VL-Chat. Users seek GUIs for LLM APIs with plugin and RAG support. Pipelines for synthetic training data generation and fine-tuning language models for chat are discussed.
One Year of Latent Space
gemini-1.5 gemma-7b mistral-next opus-v1 orca-2-13b nous-hermes-2-dpo-7b google-deepmind nous-research mistral-ai hugging-face nvidia langchain jetbrains ai-ethics bias-mitigation fine-tuning performance-optimization model-merging knowledge-transfer text-to-3d ai-hallucination hardware-optimization application-development vulnerability-research jim-keller richard-socher
Latent Space podcast celebrated its first anniversary, reaching #1 in AI Engineering podcasts and 1 million unique readers on Substack. The Gemini 1.5 image generator by Google DeepMind sparked controversy over bias and inaccurate representation, leading to community debates on AI ethics. Discussions in TheBloke and LM Studio Discords highlighted AI's growing role in creative industries, especially game development and text-to-3D tools. Fine-tuning and performance optimization of models like Gemma 7B and Mistral-next were explored in Nous Research AI and Mistral Discords, with shared solutions including learning rates and open-source tools. Emerging trends in AI hardware and application development were discussed in CUDA MODE and LangChain AI Discords, including critiques of Nvidia's CUDA by Jim Keller and advancements in reducing AI hallucinations hinted by Richard Socher.
1/3/2024: RIP Coqui
sdxl diffusers-0.25 coqui mozilla hugging-face google text-to-speech performance-optimization token-management transformer-architecture image-datasets web-crawling pytorch leaderboards
Coqui, a prominent open source text-to-speech project from the Mozilla ML group, officially shut down. Discussions in the HuggingFace Discord highlighted skepticism about the claimed
3X faster speed of sdxl, attributing improvements more to techniques like torch.compile and removal of fp16 and attention rather than diffusers 0.25 features. Users confirmed that a HuggingFace user token can be used across multiple machines, though distinct tokens are recommended for safety. The Learning Loss Minimization (LLM) Leaderboard briefly experienced issues but was later confirmed operational. A Kaggle notebook was shared demonstrating how to build Transformer architectures from scratch using PyTorch. Additionally, a new image dataset with 15k shoe, sandal, and boot images was introduced for multiclass classification tasks. Explanations about the workings of the Common Crawl web-crawling process were also shared.