OpenAI Chat GPT OSS 20b Open Source LLM Full Local Ai Review

Digital Spaceport August 6, 2025
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Digital Spaceport

@digitalspaceport

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Homelab, Local AI Home Servers, and a Home Datacenter in my garage. Builds, setup guides, running and testing AI locally, benchmarking, server racks, storage servers, home networking, and much more nerd fun on this channel! 🤓 Check out our website for writeups accompanying many of our videos: 🌐 https://digitalspaceport.com 🚀 Join as a member of Digital Spaceport for extras like behind the scenes members-only content or just to support: https://www.youtube.com/c/digitalspaceport/join 🔔 Subscribe and ring the bell to get notified on our latest video releases, and follow along with all the videos and playlists for the topics you're interested in.

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*Update* Somehow I ran the 20b and not the 120b when I recorded and didn't catch it so edited this to be the 20b review now... Updated 120b review 👉👉 https://youtu.be/YfKdj7GtJ80 🫡 Quad 3090 Ryzen AI Rig Build 2025 Video w/cheaper components vs EPYC Build https://youtu.be/So7tqRSZ0s8 Written Build Guide with all the Updated AI Rig Component Options and Benchmarks https://digitalspaceport.com/local-ai-home-server-build-at-high-end-3500-5000-price/ Locally tested OpenAI's open source model they just released the Chat GPT OSS 20b which is not multimodal on the quad 3090 Ai server. So how did it do? It is FAST, but... QUAD 3090 AI HOME SERVER BUILD GPU Rack Frame https://geni.us/GPU_Rack_Frame Supermicro H12ssl-i MOBO (better option vs mz32-ar0) https://geni.us/MBD_H12SSL-I-O Gigabyte MZ32-AR0 MOBO https://geni.us/mz32-ar0_motherboard AMD 7V13 (newer, faster vs 7702) https://geni.us/EPYC_7V13_CPU RTX 3090 24GB GPU (x4) https://geni.us/GPU3090 256GB (8x32GB) DDR4 2400 RAM https://geni.us/256GB_DDR4_RAM PCIe4 Risers (x4) https://geni.us/PCIe4_Riser_Cable AMD SP3 Air Cooler (easier vs water cooler) https://geni.us/EPYC_SP3_COOLER iCUE H170i water cooler https://geni.us/iCUE_H170i_Capellix (sTRX4 fits SP3 and retention kit comes with the CAPELLIX) CORSAIR HX1500i PSU https://geni.us/Corsair_HX1500iPSU 4i SFF-8654 to 4i SFF-8654 (x4, not needed for H12SSL-i) https://geni.us/SFF8654_to_SFF8654 ARCTIC MX4 Thermal Paste https://geni.us/Arctic_ThermalPaste Kritical Thermal GPU Pads https://geni.us/Kritical-Thermal-Pads HDD Rack Screws for Fans https://geni.us/HDD_RackScrews LOCAL AI SERVER BUILDS/WRITEUPS High End AI Server https://digitalspaceport.com/local-ai-home-server-build-at-high-end-5000-price/ Mid Range Ai Server https://digitalspaceport.com/local-ai-home-server-build-at-mid-range-750-price/ $500 Deepseek R1 671B on a Z440 https://digitalspaceport.com/500-deepseek-r1-671b-local-ai-server/ How I Test Local Ai LLMs Writeup https://digitalspaceport.com/about/testing-local-llms/ ▶️ Watch More from Digital Spaceport: The Perfect Local AI GPU? NVIDIA's 5060 Ti 16GB Tested! https://youtu.be/sCc-y4LXfHs Local Ai Ultimate FAQs https://youtu.be/7kgMkzeX650 Deepseek R1 671b Running and Testing on a $2000 Local AI Server https://youtu.be/Tq_cmN4j2yY Ways to Support: 🚀 Join as a member for members-only content and extra perks https://www.youtube.com/c/digitalspaceport/join ☕ Buy Me a Coffee https://www.buymeacoffee.com/digitalspaceport 🔳 Patreon https://www.patreon.com/digitalspaceport 👍 Subscribe youtube.com/c/digitalspaceport?sub_confirmation=1 🌐 Check out the Website https://digitalspaceport.com 🕒 Timestamps: 0:00 Chat GPT OSS 20B Local 1:24 ChatGPT Python Code Test 3:31 Parsing Peppermints 3:47 Arbitrary Arrays 5:40 LLM Sentence Parsing Test 6:55 Numeric Comparison 7:21 Hundred Decimals of Pi 9:04 Create a Cat SVG 11:52 Pico de Gato 12:42 Two Driver Problem 14:03 Armageddon with a Twist 15:22 Conclusion ***** As an Amazon Associate I earn from qualifying purchases. When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network. *****

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