Which AI is used to create this image?
On my own machine, I use the stable diffusion forge application, using different checkpoints. I would love to share the commands from that image but unfortunately the January-May 2014 archive has been deleted.
Oops, I finally found the parameters elsewhere:

Positive:
a woman in a field of flowers with a hat on her head and a flower in her hand,, Anka Zhuravleva, portrait photography, an impressionist painting, neo-romanticism,autumn, autumn leaves, blurry, blurry background, blurry foreground, breasts, brown hair, burning, depth of field, dress, embers, explosion, fire, freckles, jewelry, lips, looking at viewer, medium breasts, motion blur, necklace, outdoors, photo background, realistic, solo, straw hat, sun hat, sunset, upper body, half naked breasts
Negative:
stretched body, deformed torso, deformed legs, watermark
Steps: 35,
Sampler: DPM++ 2M Karras,
CFG scale: 7,
Seed: 3958844788,
Size: 736x1000,
Model: picxReal_10,
Variation seed: 26059364,