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Red Hat AI just shipped DFlash speculator checkpoints for two of NVIDIA AI's most powerful open models: → Nemotron Ultra 550B → Nemotron Super 120B On math and reasoning: ~5 out of 7 draft tokens accepted on average. On code (HumanEval): ~3.4 out of 7. Both checkpoints trained with...

15,077 görüntüleme • 2 ay önce •via X (Twitter)

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Helen Zhao profil fotoğrafı
Helen Zhao2 ay önce

@NVIDIAAI Training compute for this model was generously provided by @LambdaAPI, a leading cloud platform built for AI training and inference. Thanks again @TheZachMueller for all the help and support along the way!

RiftStack AI profil fotoğrafı
RiftStack AI2 ay önce

@NVIDIAAI any intuition why code accepts so many fewer draft tokens than math?

Oli Wilkins profil fotoğrafı
Oli Wilkins2 ay önce

@NVIDIAAI How does this compare to something like EAGLE?

Mike Gannotti profil fotoğrafı
Mike Gannotti2 ay önce

@NVIDIAAI I’m really looking forward to seeing what NVIDIA drops when Nemotron hits 4. 3 is already such a strong set of models

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Inside Nemotron and NVIDIA's AI lab: my conversation with Bryan Catanzaro (Bryan Catanzaro). NVIDIA is a chip company. So why does it put hundreds of researchers on building AI models - and then give them away for free? We go deep into the Nemotron models, what it takes to build a top AI lab, and the future of frontier AI. 01:33 - Is open source AI catching the frontier? 05:29 - Do closed labs blocking distillation slow open source down? 07:42 - Is the US falling behind China? 10:30 - Why companies actually choose open models 12:39 - A "crazy" 2008 bet: machine learning on GPUs 15:33 - Working with Andrew Ng and Dario Amodei at Baidu 17:41 - Coming back to NVIDIA: DLSS and the birth of Megatron 21:55 - The real reason NVIDIA builds its own models 24:28 - Is Moore's Law really dead? 33:37 - The Nemotron family: Nano, Super, Ultra 35:09 - Built for agents: why NVIDIA bets on speed 36:02 - How you train a 550B model in 4 bits 39:25 - Hybrid Mamba-Transformer, explained simply 42:31 - Mixture of experts, and why NVIDIA built NVL72 around it 47:26 - Why a 1-million-token context window matters 49:26 - Multi-token prediction: how the model predicts 5 tokens at once 52:47 - Multi-teacher distillation: teaching one model from many 58:01 - Where reinforcement learning goes next 01:00:16 - Inside NVIDIA's research org: "the mission is the boss" 01:04:03 - How NVIDIA decides who gets the GPUs 01:10:53 - Why NVIDIA still feels entrepreneurial after 33 years 01:12:58 - Why Bryan doesn't believe in the singularity 01:17:50 - The AI backlash 01:19:18 - The controversial case: open AI is safer than closed

Matt Turck

56,954 görüntüleme • 3 ay önce

NVIDIA Releases Audex (Nemotron-Labs-Audex-30B-A3B): A Unified Audio-Text LLM That Preserves the Text Intelligence of Its Backbone Most unified audio models pay a text tax. Add audio output, and reasoning benchmarks drop — even when the only new output is speech. NVIDIA just released one that doesn't. Audex (Nemotron-Labs-Audex-30B-A3B) is a 30B MoE with 3B active parameters, built on the text-only Nemotron-Cascade-2-30B-A3B backbone. Audio inputs are projected into the text embedding space. Text tokens and quantized audio tokens are then generated the same way, inside one MoE decoder — no thinker–talker split, no stacked cascade. Here's what's actually interesting: → One model, audio in and out: understanding, ASR, translation, TTS, text-to-audio, speech-to-speech → Text holds vs its own backbone: IMO AnswerBench 81.1 vs 79.3, MMLU-Redux 86.4 vs 86.3 → Beats text-only Qwen3.5-35B-A3B on several tasks: LiveCodeBench v6 85.3 vs 74.6, IFBench 77.8 vs 70.2 → The usual tax, for contrast: Qwen3-Omni-30B-A3B-Thinking drops to 60.4 on HMMT vs 71.4 for its text backbone → 6.82 WER on OpenASR, ahead of Step-Audio-R1.1-33B (7.91) and Qwen3-Omni-Thinking (8.00) → Two codecs: X-Codec2 for speech (50 tok/s, FSQ, 65,536 codebook), X-Codec for general audio (200 tok/s, 4 flattened RVQ layers) — the only strong open model generating general audio beyond speech Full analysis: Paper: Model weights: NVIDIA AI NVIDIA Wei Ping

Marktechpost AI

28,301 görüntüleme • 3 ay önce

Soofi Consortium Releases Soofi S 30B-A3B: An Open 31.6B Model for German and English Hitting 79.1 German Aggregate With Only 3.2B Active Parameters. Here's how it works. 👇 1. Sparsity in two places at once 52 layers: 23 Mamba-2, 23 granular MoE, 6 Grouped-Query Attention. The MoE router picks 6 of 128 experts per token, plus 2 shared. Mamba-2 carries the sequence mixing with a fixed-size recurrent state, so 46 of 52 layers keep no KV cache at all. → 3.2B of 31.6B parameters active per token 2. Reference architecture on purpose No bespoke backbone. It adopts NVIDIA's Nemotron 3 Nano design without modification — for day-one vLLM kernels, for serving efficiency, and for scientific control. That last one is the real move: Nemotron becomes an architecture-identical baseline, so the data recipe is the only variable left. 3. German as the deliberate variable Three-phase Warmup–Stable–Decay curriculum. Phase 1 is breadth at a 1e-3 plateau, Phase 2 concentrates high-quality data as the LR decays, Phase 3 stretches context to 1M tokens. → ~26.68T consumed tokens → German 7.2% → 15.32% of the mixture, vs ~5% for all non-English in the Nemotron reference → +4.2 German aggregate, +1.8 English, +6.7 held-out English over Nemotron 4. Where the architecture pays: memory bandwidth Every decoded token re-reads the weights and, for a Transformer, the attention cache of every sequence in the batch. Six KV layers instead of 52 keeps that per-sequence state small. Measured on one B200, TP=1, vLLM latency-subtraction. → 8–9× aggregate decode TPS/GPU vs dense 14–24B models at 40K context, batch 32 → decode stays flat from 4K to 256K 5. The numbers (base model, lm-evaluation-harness, 16 open baselines) → 70.1 English aggregate, +2.8 over Olmo 3 32B → 79.1 German aggregate, +6.3 over Apertus 70B → 73.8 HumanEval, 84.2 MBPP-DE, 88.8 GLP-DE, 61.2 INCLUDE-DE Full analysis: Paper: Technical details:

Marktechpost AI

65,637 görüntüleme • 2 ay önce