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DeepSeek V4.1 Flash 8K runs locally at 10 tokens/sec on RTX 5090

By PulseAugur Editorial · [1 sources] ·

A user on Reddit shared their experience running the DeepSeek V4.1 Flash 8K model locally on an RTX 5090 GPU with 64GB of DDR5 RAM. They reported a speed of 10 tokens per second, noting that at this performance level, it is more cost-effective to use an API than to pay for the electricity required to run the model locally. Despite the speed limitations, the user expressed excitement that the model could run on their personal computer. AI

IMPACT Local hardware performance benchmark for running large language models, indicating cost-effectiveness trade-offs.

RANK_REASON User reports on local performance of an AI model, not a new release or significant industry event.

Read on r/LocalLLaMA →

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

DeepSeek V4.1 Flash 8K runs locally at 10 tokens/sec on RTX 5090

How we ranked this

Signal score
4 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
User reports on local performance of an AI model, not a new release or significant industry event.
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
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. r/LocalLLaMA TIER_1 English(EN) · /u/DeMischi ·

    10 tok/s Deepseek V4.1 Flash 8K with Strata on a 5090 with 64GB DDR5 Ram

    <table> <tr><td> <a href="https://www.reddit.com/r/LocalLLaMA/comments/1xed2xx/10_toks_deepseek_v41_flash_8k_with_strata_on_a/"> <img alt="10 tok/s Deepseek V4.1 Flash 8K with Strata on a 5090 with 64GB DDR5 Ram" src="https://preview.redd.it/6ty7xuyjyfxh1.png?width=140&amp;height…

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