Yi34B paramspopular

dolphin 2.9.1 yi 1.5 34b locally

dolphin 2.9.1 yi 1.5 34b is an open-weight LLM from the Yi family with 34B parameters. Main use: chat, RAG and general assistance. Detected minimum hardware: TITAN RTX (24 GB).

Technical facts
Parameters34B
Q4_K_M21.4 GB
Q5_K_M26.1 GB
Q838.0 GB
FP1676.0 GB
FamilyYi
Last sync2026-05-12

Available quantizations

Q4_K_M
21.4GB

Acceptable. Good compromise when VRAM is limited.

Q5_K_M
26.1GB

Good quality. Sweet spot for size and precision.

Q8
38.0GB

Near-FP16 quality. Comfortable for production.

FP16
76.0GB

Reference precision. Maximum quality, doubled VRAM.

Compatible GPUs

GPUs that can run dolphin 2.9.1 yi 1.5 34b on a single card, ranked by VRAM headroom.

Recommended multi-GPU rigs

For dolphin 2.9.1 yi 1.5 34b at higher quantization or with more context, a multi-GPU rig gives more headroom.

Recommended rig

2× GTX 1080 Ti

dolphin 2.9.1 yi 1.5 34b with Ubuntu, vLLM, Open WebUI and the model already downloaded.

Configure

Similar models

VRAM estimates: parameters x bits/8 plus margin. Real performance varies by engine, context length and batch size.
sync: 2026-05-12