Full prompt Photorealistic close-up portrait of a person clearly performing the American Sign Language gesture for "thank you," hand positioned visibly in front of the chest, clear expression on face, neutral background
What this tests: Photorealistic portrait style. Tests anatomical correctness, accuracy of a specific ASL gesture, clear facial expression, and communicative context.
Every model received exactly this prompt and generated a square image at up to 2K. The images were judged side by side; below they are ranked by the judge's 1–10 score, with the written critique for each. Best AI image generator for Ultra Hard →
Rank 1 of 12: the strongest combination of recognizable signing, clear expression, and photographic credibility. Its advantage comes from getting the central hand placement right without sacrificing facial readability.
A smiling woman in a charcoal V-neck top holds joined fingertips against her chin, with the back of the hand facing the viewer.
Rank 1 of 12: the strongest combination of recognizable signing, clear expression, and photographic credibility. Its advantage comes from getting the central hand placement right without sacrificing facial readability.
A woman in a dark sweater holds a flat, edge-on hand with joined fingertips touching her chin against a plain gray background.
Ranked 1st of 13, this provides the strongest combination of recognizable ASL starting pose, natural anatomy, clear expression, and neutral presentation. The partially overlapping fingers keep it just short of flawless instructional clarity.
A smiling woman in a navy shirt holds an open hand in front of her chest, with fingertips touching her chin, against a neutral gray background.
This is the strongest match because the handshape and chin placement make the intended sign recognizable. Convincing anatomy and clean photographic execution support an excellent result, with slight finger separation and static ambiguity keeping it below flawless.
A smiling woman in a blue shirt holds a flat hand with grouped fingertips against her chin, against a plain light-gray background.
This provides the strongest combination of recognizable sign positioning, anatomical clarity, and photographic polish. It ranks first because the gesture and expression are especially easy to read together.
A tightly framed smiling woman in a navy shirt holds her flat hand near her lower lip and chin, with a silver ring visible.
This is an excellent, anatomically convincing interpretation with a recognizable starting handshape. It ranks second because the hand covers more of the facial expression than in image 2376.
A smiling woman in a navy sweater holds a flat hand beneath her chin in a softly lit room with blurred windows behind her.
Ranked 2nd of 13, this combines some of the best photographic realism with a substantially more relevant handshape and placement than most alternatives. Slight uncertainty about the exact signing position and the nonplain background keep it below the strongest match.
A woman with a high bun and charcoal sweater holds a flat hand diagonally near her mouth and chin against a softly textured gray background.
Rank 2 of 12: a believable, expressive portrait with one of the most relevant signing configurations. Slightly ambiguous fingertip placement and softer detail keep it below the clearest chin-contact example.
A woman in a dark blue-gray T-shirt faces the camera with grouped fingertips touching the underside of her chin.
This is one of the clearest and most anatomically reliable depictions of the requested starting pose. It ranks third because its presentation is less compelling than the warmer leading portraits.
A woman with shoulder-length wavy hair and a gray sweater holds a closely grouped hand against her chin.
The sign placement is credible, but handshape clarity prevents an excellent rating. It ranks fourth, behind the three images that demonstrate the fingertips more convincingly.
A smiling older woman in a gray knitted sweater holds the back of her hand across her chin and lower cheek.
This is a convincing, warmly expressive photograph with excellent texture and anatomy. The sideways hand placement makes the specific sign only partially convincing, preventing an excellent prompt-specific rating.
A smiling woman in a textured charcoal sweater holds a flat hand horizontally just below her chin against a warm neutral background.
Rank 4 of 12: a convincing portrait with a relevant flat handshape, but imperfect sign positioning. It is more communicatively plausible than the lower chest-level poses, though less recognizable than the leading chin-adjacent examples.
A curly-haired person in a white collared shirt raises a flat, ring-bearing hand beside the lower face, with dramatic directional lighting.
Rank 3 of 12: outstanding photographic craft is limited by less conclusive sign placement. It edges out the sweater portrait through superior detail and visual impact, but the central gesture prevents an excellent overall rating.
A smiling man in a navy shirt holds a flattened hand horizontally below his chin, with overlapping fingers pointing sideways.
Rank 5 of 12: strong portrait quality and a flat handshape are weakened by an unclear sign orientation. It surpasses the lower chest-level example through its complete, expressive face, but is less convincing as ASL thank you than image 3217.
A smiling woman in a charcoal knit sweater holds a flat hand horizontally below her chin in a softly blurred interior.
Excellent photographic execution cannot fully compensate for an unclear sign and a less neutral setting. It ranks sixth, below the closer near-face interpretation but above the explicit hand-over-heart poses.
A softly smiling woman in a navy shirt holds a partially bent open hand just below her chin against a gray background.
Ranked 4th of 13, this is an excellent portrait whose gesture remains insufficiently specific. Its near-chin placement makes it more relevant than the clear waves and chest-touching poses, but the handshape limits confidence in the ASL meaning.
A smiling woman tilts her head toward an open palm supporting her chin, with fingers extending diagonally beside her cheek.
The photographic execution is strong, but the pose reads more as chin support than an unmistakable ASL sign. That central ambiguity outweighs the polished facial and surface rendering.
A smiling woman in a black top rests an open hand flat against her upper chest in a waist-up portrait.
Rank 8 of 12: believable anatomy and a pleasant expression support a competent portrait, not the requested sign. It falls below the cheek-hand portrait because both its action and framing depart more clearly from the specific brief.
A smiling woman in a blue T-shirt rests a flat hand over her upper chest against a light neutral background.
Ranked 6th of 13, this is a natural and coherent expression of appreciation but not the requested sign. Strong photographic realism is outweighed by the incorrect hand location and looser portrait framing.
A woman in a gray T-shirt holds a flat hand horizontally in front of her chest; the framing excludes her eyes and upper face.
Rank 6 of 12: strong hand realism is undermined by ambiguous signing and incomplete facial framing. Its relevant flat handshape places it above the waving and hand-on-heart interpretations.
A woman in a dark green sweater rests a flat hand diagonally over her upper chest against a gray wall.
This is a strong portrait that misses the task's central linguistic requirement. It ranks seventh because its photographic quality exceeds the other hand-over-heart examples.
A smiling woman in a gray sweater raises an open palm toward the camera, with her curly-haired face softly blurred behind it.
Ranked 8th of 13, this is a believable and friendly portrait of the wrong gesture. Its natural anatomy places it above the more artificial examples, but the central ASL requirement remains unmet.
A bare-shouldered person with short dark hair holds both palms together beneath the chin against a gray-green background.
Anatomical and photographic quality are strong, but the image communicates a different gesture. Missing the requested ASL word is a decisive flaw despite the attractive portrait.
A smiling, bare-shouldered woman holds one glossy hand upright beside her face and another hand across her upper chest.
The flat hand offers a closer visual starting point than the splayed-palm images, but the intended sign remains unclear. The beauty-treatment appearance and weaker hand definition prevent a good prompt-specific result.
A softly smiling woman with tied-up hair raises a partially curved hand beside her cheek against a neutral gray background.
Rank 7 of 12: this is an attractive and largely believable portrait with inadequate sign accuracy. Its expressive close-up gives it an advantage over the hand-on-chest image, but it remains less relevant than the flat-hand examples.
A smiling woman with long dark hair wears a blue sweater and rests her hand over her chest.
The wrong sign combines with softer execution to limit this image's success. It ranks ninth because it retains an appreciative context but lacks both gesture accuracy and stronger photographic detail.
A smiling man holds a shaka-like handshape, with thumb and little finger extended, close to his face against a pale background.
Ranked 10th of 13, this is a convincing photograph-like depiction of an entirely different gesture. Its excellent surface detail cannot overcome the explicit mismatch with the requested ASL sign.
A tightly framed portrait of a person with short curls and silver facial jewelry, holding several differently extended fingers near the mouth and cheek.
The portrait is visually polished, but its complicated handshape is fundamentally wrong for the requested word. Weaker anatomical readability in the hand adds another substantial limitation.
A person with short natural hair in a navy jacket raises two fingers in a V sign while tilting their head.
This is among the strongest photographs technically, but it depicts an unmistakably different gesture. It ranks tenth because the complete sign substitution outweighs its excellent rendering.
A smiling man in a gray button-down shirt holds a large, open palm close to the lens against a beige background.
This is a believable, cleanly lit portrait with an anatomically coherent hand. It nevertheless misses the requested sign entirely and sacrifices facial clarity to the foreground palm.
A man in an olive-green shirt holds an open palm toward the camera, with his face substantially blurred behind the sharply focused hand.
Rank 10 of 12: competent photographic execution cannot compensate for the unmistakably wrong gesture. It falls below the similar suited portrait because its face is less legible and its hand rendering slightly less natural.
A smiling woman in a cream top raises one open palm while resting her other hand on her chest against a white background.
Ranked 9th of 13, this communicates friendliness but substitutes two unrelated gestures for the requested sign. Its clean presentation is weakened by overprocessed skin and less convincing hand proportions.
A man wearing a dark suit and white shirt extends an open palm toward the viewer, with his face softly blurred behind it.
Rank 9 of 12: a technically solid image that misses the central communicative requirement. Its cleaner hand proportions and somewhat more readable face place it just above the olive-shirt stop portrait.
An extreme close-up of a man with a sharply detailed face and a large, spread palm held toward the camera.
The image delivers a clear, detailed portrait but misses the defining ASL gesture. Overprocessed skin detail and a crowded composition further reduce its success for this prompt.
A tightly framed portrait of a bare-shouldered man holding two extended fingers near his chin against a gray background.
Ranked 11th of 13, this image combines attractive portrait lighting with an incorrect gesture and conspicuously synthetic hand rendering. Its visual polish cannot compensate for failure of the primary signing requirement.
A smiling woman with bare shoulders displays a complicated hand pose featuring two raised or splayed fingers, a visible thumb, and long fingers crossing the palm.
Rank 11 of 12: excellent facial detail is outweighed by an incorrect gesture and conspicuously awkward hand construction. It exceeds the six-digit image but is less coherent than the simple open-palm portraits.
A man in a cream shirt makes an OK hand gesture, with the words 'thank you.' visible in the upper-right corner.
The requested wording is present, but the actual visual demonstration is incorrect. It ranks twelfth because the wrong gesture is compounded by less convincing photographic texture.
A cropped lower-face portrait of a person in a denim shirt, raising one index finger to the chin with tattoo-like lettering on the hand.
Ranked 13th of 13, this misses both the requested handshape and the clear facial expression. Its sharp textures do little to rescue the unsuccessful framing and ambiguous communicative content.
A person with wavy dark hair and bangs holds a shaka-like handshape with the thumb and little finger extended.
The portrait is believable, but its handshape is fundamentally incompatible with the requested sign. It ranks eleventh, below the more technically accomplished wrong-gesture image 417.
A bare-shouldered man faces the camera while raising one index finger near his mouth and extending his thumb to the side.
Ranked 12th of 13, this combines the wrong sign with weak expression and comparatively bland execution. Its understandable anatomy keeps it above the lowest-ranked image, but it remains largely unsuccessful for the prompt.
A smiling man in a gray sweatshirt raises his index finger and extends his thumb while keeping the other fingers curled.
The subject is recognizable and reasonably photorealistic, but the conspicuous L-like pose communicates the wrong sign. Softer hand detail and less refined framing place it below the stronger incorrect-gesture portraits.
A smiling woman in a navy top holds a hand with two raised fingers, an extended thumb, and a crowded cluster of folded fingers beneath her chin.
Rank 12 of 12: this combines the wrong sign with the set's clearest finger-count failure. Its polished facial rendering does not rescue the central task.
An extreme crop of a person's nose, mouth, and stubbled chin, with two inward-facing hands crowded beneath the face.
This is the weakest result because both the gesture and clear-expression requirements are missed. Artificial-looking surfaces and poorly resolved hand shapes compound those central failures.