Frozen AI News archive

Anthropic raises $13B at $183B Series F

**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.

Canonical issue URL

Congrats Ant team!

AI News for 9/2/2025-9/3/2025. We checked 12 subreddits, 544 Twitters and 22 Discords (186 channels, and 2882 messages) for you. Estimated reading time saved (at 200wpm): 239 minutes. Our new website is now up with full metadata search and beautiful vibe coded presentation of all past issues. See https://news.smol.ai/ for the full news breakdowns and give us feedback on @smol_ai!

This was widely rumored, but the final valuation came in higher. Some notable numbers from their announcement:

Congrats Anthropic!


AI Twitter Recap

Agentic systems: enterprise connectors, new evals, and reliability

High‑performance RL and inference: Slime v0.1.0, ZeroGPU AoT, symmetric all‑to‑all, and 4‑/8‑bit

Model releases and capabilities

Data, toolchains, and developer updates

Industry/platform moves

Research highlights

Top tweets (by engagement)


AI Reddit Recap

/r/LocalLlama + /r/localLLM Recap

1. TerminalBench Multi-Agent Coder & German WWTBAM Benchmark

2. ETHZ Apertus LLM Launch & MAESTRO v0.1.5

Less Technical AI Subreddit Recap

/r/Singularity, /r/Oobabooga, /r/MachineLearning, /r/OpenAI, /r/ClaudeAI, /r/StableDiffusion, /r/ChatGPT, /r/ChatGPTCoding, /r/aivideo, /r/aivideo

1. Google "Nano Banana" rename and early user benchmarks/demos

2. AI misuse and safety interventions: misdiagnosis and overzealous filters

3. Anthropic mega-raise and AI safety outlook (Hinton)


AI Discord Recap

A summary of Summaries of Summaries by gpt-5

1. Hermes-4-14B and Open Model Drops

2. Multimodal Video & Style Tools Surge

3. GPU Tooling, Kernels & Low‑Level Wins

4. Mega Money Moves: Anthropic and Statsig

5. Benchmarks, Leaderboards & Eval Debates


Discord: High level Discord summaries

Perplexity AI Discord


Unsloth AI (Daniel Han) Discord


LMArena Discord


Cursor Community Discord


Nous Research AI Discord


LM Studio Discord


Eleuther Discord


GPU MODE Discord


OpenAI Discord


OpenRouter Discord


Latent Space Discord


HuggingFace Discord


Modular (Mojo 🔥) Discord


Yannick Kilcher Discord


aider (Paul Gauthier) Discord


DSPy Discord


Manus.im Discord Discord


Moonshot AI (Kimi K-2) Discord


tinygrad (George Hotz) Discord


LLM Agents (Berkeley MOOC) Discord


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Discord: Detailed by-Channel summaries and links

Perplexity AI ▷ #general (926 messages🔥🔥🔥):

Vertical Tabs, Opus 4.1 Pro, Unlimited LABs, Comet Mobile, Max Assistant Toggle Bar


Perplexity AI ▷ #sharing (1 messages):

adhdmachine: https://perplexity.ai/browser/claim/5D9NCPBNC1


Perplexity AI ▷ #pplx-api (2 messages):

Perplexity Courses, Perplexity Guides, Mastering Perplexity AI


Unsloth AI (Daniel Han) ▷ #general (321 messages🔥🔥):

Hermes-4-14B, Multilingual LLMs, AI game NPCs, MiniCPM, Unsloth events in SF


Unsloth AI (Daniel Han) ▷ #off-topic (101 messages🔥🔥):

TTS Self-Deprecation, Underground Bunker, Loss Curve, 3D WebGL Shader Generation, Dataset Compilation & Filtering


Unsloth AI (Daniel Han) ▷ #help (33 messages🔥):

GPT-OSS-20B Colab Notebook issues, Multilingual LLM fine-tuning Datasets, Qwen 3 SFTTrainer setup errors


Unsloth AI (Daniel Han) ▷ #showcase (2 messages):

GPU Lister Tool, VRAM amounts


Unsloth AI (Daniel Han) ▷ #research (55 messages🔥🔥):

HRM model mimicking brain, Architectures for AGI, Transformers & Brain Communication, Data efficiency, Self-supervised image models matching human brains


LMArena ▷ #general (337 messages🔥🔥):

Pixar style conversion, ByteDance USO, Video to audio AI, Remove LM Arena censorship, Google accounts for privacy


LMArena ▷ #announcements (1 messages):

User Login, Google Sign-in, Chat History, Bug Reports, Feedback


Cursor Community ▷ #general (175 messages🔥🔥):

BSOD and Git, Sonic Model Transition to Grok, Managing Cursor's Background Agents, Token Usage and Optimization Tips, Student Trial Issues


Cursor Community ▷ #background-agents (10 messages🔥):

Linear + Cursor as BA, Uploading image/screenshot (png) to the conversation, Spinning up BAs via github issue comments, Background Agents setup with a Dockerfile, AGENTS.md support in background agents


Nous Research AI ▷ #announcements (1 messages):

Hermes 4 14B Release, BF16, FP8, GGUF


Nous Research AI ▷ #general (179 messages🔥🔥):

Hermes-4-14B GGUF release, Gemma3-1b model, imatrix training and performance, Kagi search engine


Nous Research AI ▷ #interesting-links (1 messages):

Convolutional Language Model, WaveGate, Transformers, Language Models


LM Studio ▷ #general (76 messages🔥🔥):

LM Studio CLI on Ubuntu Server, OpenAI compatible apps, LM Studio API Key, MiniCPM-V-4_5-gguf Model, ComfyUI Tutorial


LM Studio ▷ #hardware-discussion (72 messages🔥🔥):

GPU Load Settings, Radeon Drivers, Motherboard Failure, Shared Memory, kv cache


Eleuther ▷ #general (97 messages🔥🔥):

RL Credit Assignment, LLM Reward Hacking, Thought Anchors Paper, HF Tokenizer Performance, Child Prodigy AIs


Eleuther ▷ #research (6 messages):

Perfect Diffusion, Hybrid Linear Attention, RWKV efficiency


Eleuther ▷ #lm-thunderdome (14 messages🔥):

lm evaluation harness, GPU memory usage, loglikelihood requests, generate_until requests, batch size recalculation


Eleuther ▷ #gpt-neox-dev (4 messages):

MLSys conferences, fused rope implementation


GPU MODE ▷ #general (2 messages):

HackDogs Luma Link


GPU MODE ▷ #triton (1 messages):

Community Meetup, Multi-pass profiler, Triton Developer Conference, tritonbench users, Triton testing strategy


GPU MODE ▷ #torch (1 messages):

Flex Attention, Sparse Attention, block_size vs stride, FlashMask


GPU MODE ▷ #algorithms (3 messages):

cuSOLVER, cuSolverSP, cuSolverRF, cuSolverDN, cuDSS


GPU MODE ▷ #beginner (8 messages🔥):

Partial Warps in CUDA, CUDA thread management, GPU Recommendations for Local CUDA Development


GPU MODE ▷ #off-topic (12 messages🔥):

Anime Recommendations, Hidden Gem Anime, Nonlinear Storytelling, Grimgar Popularity


GPU MODE ▷ #self-promotion (2 messages):

AMD Developer Challenge, Multi-GPU kernels, Iris library, SHMEM-like Remote Memory Access, MoE Inference Economics


GPU MODE ▷ #🍿 (15 messages🔥):

BackendBench PR Discussion, Native Code Integration with load_inline and compile_kernel, CuteDSL/tilelang Kernel Generation Challenges, nvrtc Backend and Custom Kernels, compile_kernel reuse in PyTorch


GPU MODE ▷ #submissions (3 messages):

MI300 performance, MI300x8 all2all performance


GPU MODE ▷ #tpu (7 messages):

TPU experimentation, Jax TPU book, TPU versions


GPU MODE ▷ #amd-competition (37 messages🔥):

Rocm Iris library, Nccl vs rccl, SHMEM-like Remote Memory Access, torch.distributed vs hipMemcpyPeer, random expert weights


GPU MODE ▷ #cutlass (3 messages):

CUTLASS, FP8 Blockscaled GEMM, Hopper GPUs


GPU MODE ▷ #multi-gpu (1 messages):

bglick: NSight-Systems usually gives you the best entry point.


GPU MODE ▷ #low-bit-training (6 messages):

NVFP4 Training, Muon Optimizer, CUDA Kernel for FP4


OpenAI ▷ #ai-discussions (98 messages🔥🔥):

AI Coding Quality: Mini vs. Claude, AI and the Concept of Natural Social Structures, AI's Role in Preserving Personal Histories, Challenges and Costs of Creating Custom AI Image Generators, GPT Unresponsiveness Troubleshooting


OpenRouter ▷ #app-showcase (2 messages):

geocoding, photon.komoot.io


OpenRouter ▷ #general (87 messages🔥🔥):

Alternatives to Deepseek, OpenRouter anonymity, Gemini 2.5 flash image problem, Chutes deepseek v3 free, OpenRouter server issues


OpenRouter ▷ #new-models (2 messages):

``


Latent Space ▷ #ai-general-chat (41 messages🔥):

Rork App, TAU-Bench, Parallel AI, Anthropic's Series F, OpenAI Acquires Statsig


HuggingFace ▷ #general (20 messages🔥):

E2B, Open Interpreter, Langchain Python Tool, LlamaIndex Code Interpreter, Instruct Model vs Base Model


HuggingFace ▷ #today-im-learning (1 messages):

reubencf: chpater 7 of my textbook


HuggingFace ▷ #i-made-this (11 messages🔥):

Prompt Engineering, arxiv-agent, chess engine


HuggingFace ▷ #core-announcements (1 messages):

ZeroGPU Demos, AOT Compilation


HuggingFace ▷ #agents-course (2 messages):

TextToImageTool issues, Smolagents task failure, Agents Course Materials


Modular (Mojo 🔥) ▷ #general (19 messages🔥):

Mojo Async, Mojo + GPU Execution, CUDA programming model, Data movement expenses


Modular (Mojo 🔥) ▷ #mojo (2 messages):

Memory-safe bidirectional pointers in Mojo, __moveinit__ and linear types in Mojo


Modular (Mojo 🔥) ▷ #max (9 messages🔥):

DeviceContext code, WMMA problem for RDNA2, matmul fallback, target information is managed


Yannick Kilcher ▷ #general (7 messages):

DeepSeek R1 Disruptions, Deep Learning Courses, Statistics and Probability Books


Yannick Kilcher ▷ #paper-discussion (10 messages🔥):

FastVLM, Communication Complexity, Sign-Rank Bounds, VibeVoice


Yannick Kilcher ▷ #ml-news (5 messages):

Prompt Injection, Image Scaling Attacks, AI System Security


aider (Paul Gauthier) ▷ #general (17 messages🔥):

GPT-5 vs o4-mini, Model adjustment period, Streaming responses and KYC, Nebius GPT-OSS, Livebench.ai


aider (Paul Gauthier) ▷ #questions-and-tips (1 messages):

baboluo: Instead of model: gemini I had to specify model: gemini/gemini-2.5-pro


DSPy ▷ #papers (1 messages):

batmanosama: https://arxiv.org/abs/2505.17829


DSPy ▷ #general (16 messages🔥):

Generative UI, OCR Analyzer, GEPA, DSPy Program Optimization, JIT Compiler


Manus.im Discord ▷ #general (7 messages):

Manus Advantages, Agentic Space Competition, Name Liberation


Moonshot AI (Kimi K-2) ▷ #general-chat (4 messages):

OpenRouter, Qwen Model Suite


tinygrad (George Hotz) ▷ #general (3 messages):

In-place operations in Tinygrad, Memory Efficiency, Production Readiness of Tinygrad