Datasheet for local AI49 models98 GPUsData read 2026-09-25
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What AI models run on 20 GB of VRAM?

32 of 49 image and video models run at 8-bit quality or better on 20 GB. Here is every one, with the file to download.

01Every model on 20 GB

ModelVerdictBest fileSizeNeeded
image models
FLUX.1 [dev]Runs wellQ8_012.7 GB15.0 GB
FLUX.1 [schnell]Runs wellQ8_012.7 GB15.0 GB
FLUX.1 Kontext [dev]Runs wellQ8_012.7 GB15.3 GB
FLUX.1 Krea [dev]Runs wellQ8_012.7 GB15.0 GB
FLUX.1 Fill [dev]Runs wellQ8_012.7 GB15.3 GB
FLUX.2 [dev]TightQ3_K_M16.0 GB19.3 GB
FLUX.2 [klein] 9BRuns wellQ8_010.0 GB12.3 GB
FLUX.2 [klein] 4BRuns well16-bit7.8 GB9.6 GB
Krea 2 (Turbo)Runs wellQ8_013.7 GB16.3 GB
Qwen-ImageRunsQ6_K16.8 GB19.6 GB
Qwen-Image-Edit (2511)RunsQ6_K16.9 GB19.9 GB
Qwen-Image 2.1Runs well16-bit14.2 GB16.5 GB
Z-Image TurboRuns well16-bit12.3 GB14.3 GB
Z-Image (base)Runs well16-bit12.3 GB14.3 GB
Ideogram 4RunsQ5_17.3 GB17.0 GB
Boogu-Image (Turbo)Runs wellQ8_011.6 GB14.2 GB
ERNIE-Image (Turbo)Runs well16-bit16.1 GB18.4 GB
HiDream-O1-ImageRuns well16-bit16.4 GB19.2 GB
Mage-Flow (Microsoft)Runs well16-bit8.2 GB10.0 GB
Lumina Image 2.0Runs well16-bit5.2 GB7.0 GB
HiDream-I1 (Full)Runs wellFP817.1 GB19.9 GB
HiDream-I1 (Dev)Runs wellFP817.1 GB19.9 GB
Stable Diffusion 3.5 LargeRuns well16-bit16.5 GB18.8 GB
Stable Diffusion 3.5 MediumRuns well16-bit5.1 GB6.9 GB
Chroma1-HDRuns wellQ8_09.7 GB12.0 GB
SDXL 1.0Runs well16-bit6.9 GB7.1 GB
Illustrious XL / Pony (SDXL anime)Runs well16-bit6.9 GB7.1 GB
Stable Diffusion 1.5Runs well16-bit2.1 GB3.3 GB
HunyuanImage 2.1RunsQ6_K15.7 GB19.0 GB
video models
Wan 2.1 T2V 14BRuns wellFP814.3 GB18.6 GB
Wan 2.1 T2V 1.3BRuns well16-bit2.8 GB5.6 GB
Wan 2.1 I2V 14B 480PRunsQ6_K14.2 GB18.5 GB
Wan 2.1 I2V 14B 720PRunsQ5_K_M12.7 GB19.5 GB
Wan 2.1 VACE 14BRunsQ6_K14.5 GB19.3 GB
Wan 2.2 T2V A14BRuns wellQ8_015.4 GB19.7 GB
Wan 2.2 I2V A14BRuns wellQ8_015.4 GB19.7 GB
Wan 2.2 TI2V 5BRuns well16-bit10.0 GB13.8 GB
Wan 2.2 Animate 14BRunsQ6_K14.6 GB19.9 GB
Wan Animate 2 (14B)RunsQ6_K14.2 GB19.5 GB
Wan 2.2 S2V 14BRunsQ5_K_M15.0 GB19.8 GB
SCAIL-2 (character animation)RunsQ6_K14.2 GB19.5 GB
HunyuanVideo (13B, original)Runs wellQ8_014.0 GB18.3 GB
LTX-Video 13B (0.9.8)Runs wellQ8_014.0 GB18.3 GB
HunyuanVideo 1.5Runs wellQ8_09.0 GB13.3 GB
LTX-2 (19B)RunsQ5_K_M14.3 GB19.1 GB
LTX-2.3 (22B)RunsQ4_K_M14.3 GB19.1 GB
LTX-2.5 (22B)RunsQ4_K_M15.1 GB19.9 GB
MiniMax H3 (33B)Offload onlyQ3_K_M15.6 GB21.4 GB
MiniMax H3 PrunedRunsQ5_K_M14.1 GB19.9 GB

Assumes a GPU without FP8 compute (Q8_0 preferred for 8-bit). On RTX 40/50, FP8 files are used where available. How the numbers work.

02GPUs with 20 GB