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125B LLM runs on RTX 4090 with 100 tok/s speed, but needs massive RAM

A new model architecture, Qwen 3.8 Flash Next, has demonstrated the ability to run on a single RTX 4090 GPU at approximately 100 tokens per second. This is achieved by employing a sparse Mixture-of-Experts (MoE) design where only a fraction of the model's parameters are active per token. The system, named Strata, offloads less frequently used parameters to system RAM and utilizes NVMe SSDs for n-gram tables, significantly reducing the VRAM requirement. However, achieving these speeds necessitates a substantial amount of system RAM, effectively requiring workstation-level memory alongside the consumer GPU. AI

IMPACT This development highlights innovative techniques for running large models on consumer hardware, potentially lowering the barrier to entry for advanced AI applications.

RANK_REASON The item discusses a novel model architecture and its performance on consumer hardware, which is a research-oriented topic. [lever_c_demoted from research: ic=1 ai=1.0]

Read on dev.to — LLM tag →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

125B LLM runs on RTX 4090 with 100 tok/s speed, but needs massive RAM

How we ranked this

Signal score
14 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
The item discusses a novel model architecture and its performance on consumer hardware, which is a research-oriented topic. [lever_c_demoted from research: ic=1 ai=1.0]
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
model release, infra
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
Breaking (< 6h)
Fresh story with cross-source coverage still developing. Ranking may shift as more sources report.

Full methodology in our editorial standards.

COVERAGE [1]

  1. dev.to — LLM tag TIER_1 English(EN) · Ashraf ·

    A 125B Model at 100 tok/s on One RTX 4090? Here's What the HN Hype Leaves Out

    <p>A repo called <a href="https://github.com/Niko1221/Strata" rel="noopener noreferrer">Strata</a> just hit <strong>788 points</strong> on Hacker News with a headline that sounds like a typo: <em>Run Qwen 3.8 Flash Next (125B) on consumer hardware (RTX 4090) at 100 tok/s.</em></p…