LOADING DATASHEET
GROUNDED IN REAL HUMAN CONVERSATIONSYOUR BENCH
gpt oss 120B
◆ OPEN
by OpenAI
OPEN WEIGHTSLOCALWRITING HELPBRAINSTORMING IDEAS
RANKED #46 OF 228 ASSISTANTS · OVERALL #78 OF 6,618 · VIBE SCORE 6.4 · 442 VOICES
An open-weights text model designed to help writers and creators brainstorm ideas on their own computers.
HAPPY9.2
63 mentions
SAD5.8
26 mentions
VIBE TRAJECTORY
26 weeks · 553 voices
HOLDING UP
Recent vibe is steady. No clear fade in the crowd.
HOW TO USE IT
Open weights. You can use a hosted service, or download it and run it yourself, free.
RUN IT ON YOUR OWN MACHINE
Open weights: download gpt oss 120B once and it's yours. No subscription, no rate limits, works offline.
117B parameters (MoE, 5.1B active), the native MXFP4 file is about 65 GB
- BARE MINIMUM
NVIDIA RTX 3090 (24GB VRAM) + 64GB DDR4/DDR5 RAM
24 GB VRAM + 64 GB SYSTEM RAM
~$750 USEDMXFP4 (partial GPU offload), ~5-10 tok/s, 8k context
- SWEET SPOT
Apple Mac Studio M4 Max (128GB Unified Memory)
128 GB UNIFIED MEMORY
~$3,500 NEWMXFP4, ~65 tok/s, full 128k context
- FULL POWER
Workstation with 3x NVIDIA RTX 3090 (24GB VRAM each)
72 GB VRAM (3X 24GB)
~$2,200 USEDMXFP4 (fully in VRAM), ~90 tok/s, full 128k context
LEARN HOW TO SET IT UP
WILL MY BOX RUN GPT OSS 120B?
The three cards above are researched picks. Search the machine you actually have — we only say yes if it should reply at a usable speed, not just load the weights and crawl.
HARDWARE PICKS & PRICES ARE RESEARCHED FROM THE LIVE WEB AND REFRESHED AUTOMATICALLY. TREAT THEM AS BALLPARK, NOT GOSPEL.
WHAT CAN YOU ACTUALLY DO WITH IT?
Everyday jobs on each of those rigs: how long gpt oss 120B takes, and how good the crowd says it is at that kind of work.
| THE JOB | BARE MINIMUMNVIDIA RTX 3090 (24GB VRAM) + 64GB DDR4/DDR5 RAM | SWEET SPOTApple Mac Studio M4 Max (128GB Unified Memory) | FULL POWERWorkstation with 3x NVIDIA RTX 3090 (24GB VRAM each) |
|---|---|---|---|
| Write an emaila paragraph or two, drafted from a one-line brief | ~67 S★★★★★ | ~8 S★★★★★ | ~6 S★★★★★ |
| Summarize a documenta long report boiled down to the points that matter | ~3.3 MIN★★★★★ | ~23 S★★★★★ | ~17 S★★★★★ |
| Build a websitea small landing page, markup and styles together | ~18 MIN★★★★★ | ~2.1 MIN★★★★★ | ~89 S★★★★★ |
| Build a backendan API with routes, storage and tests | ~56 MIN★★★★★ | ~6.4 MIN★★★★★ | ~4.6 MIN★★★★★ |
| Build a gamea playable browser game in one file | ~33 MIN★★★★★ | ~3.8 MIN★★★★★ | ~2.8 MIN★★★★★ |
STARS ARE THE COMMUNITY SCORE FOR THAT KIND OF WORK, DOCKED FOR HOW SQUASHED THE WEIGHTS GET AT EACH TIER. TIMES ARE COMPUTED FROM RESEARCHED SPEEDS. BALLPARK, NOT GOSPEL.
WHAT THE INTERNET SAYS
The community appreciates gpt oss 120B for being stable and dependable. However, some users complain that outages, errors, or limits occasionally get in the way.
365 POSTS · 77 COMMENTS · REDDIT · BLUESKY · X · GITHUB · HACKER NEWS · DEV.TO · DEV FORUMS · LEMMY · BLOG
PEOPLE LOVE
- Popular for coding help (6 mentions)
- People feel it is worth the money (6 mentions)
- Usually gives correct answers (5 mentions)
- Answers come back fast (3 mentions)
PEOPLE COMPLAIN ABOUT
- Outages, errors, or limits get in the way (6 mentions)
TOPIC BY TOPIC
- Help with codeMOSTLY POSITIVE
6 thumbs up · 3 thumbs down
- Working when you need itA SORE SPOT
3 thumbs up · 6 thumbs down
- PricePEOPLE LOVE THIS
6 thumbs up · 2 thumbs down
- Getting facts rightMOSTLY POSITIVE
5 thumbs up · 2 thumbs down
- SpeedPEOPLE LOVE THIS
3 thumbs up · 0 thumbs down
LOOKING FOR AN ALTERNATIVE?
Checked picks first: tags say why you would switch, stars say how fully each one stands in for gpt oss 120B.
Llama 4 Maverick
Mistral Small
Grok 4.6> SOURCES (12)
- REDDIT · 2025-12-13 · 498 UPVOTESWorld’s smallest AI supercomputer: Tiiny Ai pocket Lab— the size of a power bank. Palm-sized machine that runs a 120B parameter model…
World’s smallest AI supercomputer: Tiiny Ai pocket Lab— the size of a power bank. Palm-sized machine that runs a 120B parameter model locally.
- REDDIT · 2025-08-24 · 412 UPVOTESGot GPT-5's system prompt in just two sentences, and I did it in 5 minutes.
Got GPT-5's system prompt in just two sentences, and I did it in 5 minutes.
- X · 2026-08-19 · 167 UPVOTES$300 in free API credits with no card? 🤯 AI Compute Australia is giving new users: → $100 with WELCOME100 → another $20
$300 in free API credits with no card? 🤯 AI Compute Australia is giving new users: → $100 with WELCOME100 → another $20
- REDDIT · 2026-08-04 · 160 UPVOTESGPT-OSS has turned one year old today!
GPT-OSS has turned one year old today!
- REDDIT · 2026-02-01 · 150 UPVOTESsome uncensored models
some uncensored models
- REDDIT · 2025-08-06 · 126 UPVOTESYou can now run OpenAI's gpt-oss model at home!
You can now run OpenAI's gpt-oss model at home!
- REDDIT · 2026-08-04 · 71 UPVOTESCan deepseek actually be the next 500B+ AI company
Can deepseek actually be the next 500B+ AI company
- REDDIT · 2025-12-14 · 62 UPVOTES🤯 Why is 120B GPT-OSS ~13x Faster than 70B DeepSeek R1 on my AMD Radeon Pro GPU (ROCm/Ollama)?
🤯 Why is 120B GPT-OSS ~13x Faster than 70B DeepSeek R1 on my AMD Radeon Pro GPU (ROCm/Ollama)?
- REDDIT · 2026-07-20 · 61 UPVOTESGemma 4 is still lazy
Gemma 4 is still lazy
- REDDIT · 2025-08-05 · 61 UPVOTESOpenAI just released their open sourced models - gpt-oss-120b & gpt-oss-20b
OpenAI just released their open sourced models - gpt-oss-120b & gpt-oss-20b
- REDDIT · 2025-08-05 · 60 UPVOTESGPT OSS 20B vs GPT OSS 120B
GPT OSS 20B vs GPT OSS 120B
- REDDIT · 2025-12-07 · 58 UPVOTESA R&D RAG project for a Car Dealership
A R&D RAG project for a Car Dealership