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Best free AI models for the H100 SXM

H100 SXM: 80 GB of video memory, 3350 GB/s. These are the free models it runs, ranked by Arena votes, with the speed you can expect.

Simulate your setup · Compare all GPUs

Best voted model that fitsGemma 4 31BArena 1443 · ~110 tokens/s
Largest dense model~123 Bat 4-bit, 8K context, fully on the GPU
Memory80 GB3350 GB/s bandwidth

Voted models that fit fully on the GPU

ModelArena scoreSize4-bit fileTokens/s
Gemma 4 31B
google
144331.3 B20 GB110
Qwen3.8-27B
alibaba
144127.8 B18 GB131
Gemma 4 26B A4B
google · MoE, 4 B active
143425.8 B17 GB254
Qwen3.5-122B-A10B
alibaba · MoE, 10 B active
1417125.1 B77 GB192
Qwen3.5-27B
alibaba
140927.8 B18 GB131
glm-4.6v
zai · MoE, 14.3 B active
1376107.7 B66 GB149
gemma-3-27b-it
google
135827.4 B18 GB128
glm-4.5v
zai · MoE, 14.3 B active
1333107.7 B66 GB149

Popular small models

Official small models with no Arena votes yet, ordered by downloads on Hugging Face (popularity, not quality).

ModelDownloads/monthSize4-bit fileTokens/s
Qwen3-0.6B
Qwen
29.5M0.8 B1.7 GB647
Qwen3-4B
Qwen
11.8M4 B3.6 GB418
Qwen3-8B
Qwen
8.9M8.2 B6.2 GB297
Qwen3-14B
Qwen
8.4M14.8 B10 GB202
Qwen3.5-4B
Qwen
7.8M4.7 B4.0 GB456
Qwen3.5-9B
Qwen
7.5M9.7 B7.1 GB298

Estimates at 4-bit (Q4_K_M) with an 8K context, calibrated on 44 real llama.cpp tests (typical error about ±10%). Tokens per second: about 10 is reading speed.

Questions

What is the best free AI model for the H100 SXM?

Gemma 4 31B (Arena score 1443) is the highest-voted open model that fits entirely in 80 GB of video memory at 4-bit, writing about 110 tokens per second.

How big a model can the H100 SXM run?

About 123 billion parameters for a dense model at 4-bit with an 8K context, fully on the GPU. Mixture-of-experts models can be bigger, and with 64 GB of system RAM larger models still run, more slowly.

Is the H100 SXM good for local LLMs?

It has 80 GB of memory and 3350 GB/s of bandwidth. Memory decides which models fit; bandwidth decides how fast they write. With 24 GB or more it runs 27–32 B models, the sweet spot of quality for home use.

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