Grounding scenario · 2026-08-13

Locate the Living room thermostat card in Smart home

Every model received the same screenshot, prompt, and structured response contract.

Case IDthermostat card

390 × 844 · normalized 0–1000 coordinates

Exact input

Prompt

You are evaluating a user interface screenshot for test automation.

Locate the single UI element described below. Return the best click point and the tight visible bounding box of the complete interactive target. Coordinates use a normalized 0 to 1000 grid, where (0, 0) is the top-left image corner and (1000, 1000) is the bottom-right image corner.

Target: the Living room thermostat card

Return only data matching the supplied JSON schema. Do not describe your reasoning.
SHA-256 · e45ba12168ab7134087b1567977724809af2e05661a681f994187c6169ec2089
Smart home UI with the the Living room thermostat card target highlightedExpected
Ground truth: the Living room thermostat card

Model evidence

9 responses

Blue marks the browser-derived target. Orange marks the model’s returned box and point. Format validity checks only the response contract; it does not mean the requested element was found.

Holo3 122B A10B

H Company · holo3-122b-a10b
Point hit
Format
Valid
Box IoU
0.687
Latency
1.47 s
Cost
$0.00033
Raw response
{"point": {"x": 500, "y": 465}, "box": {"x": 50, "y": 435, "width": 950, "height": 50}}

Grok 4.5

xAI · x-ai/grok-4.5
Point hit
Format
Valid
Box IoU
0.795
Latency
1.48 s
Cost
$0.0021
Raw response
{"point": {"x": 500, "y": 455}, "box": {"x": 48, "y": 415, "width": 904, "height": 85}}

GPT-5.4

OpenAI · openai/gpt-5.4
Point hit
Format
Valid
Box IoU
0.943
Latency
1.98 s
Cost
$0.0031
Raw response
{"point":{"x":500,"y":466},"box":{"x":18,"y":432,"width":935,"height":68}}

Gemini 3.6 Flash

Google AI Studio · google/gemini-3.6-flash
Point hit
Format
Valid
Box IoU
0.987
Latency
1.56 s
Cost
$0.0021
Raw response
{"point":{"x":500,"y":466},"box":{"x":46,"y":432,"width":908,"height":69}}

GPT-5.6 Sol

OpenAI · openai/gpt-5.6-sol
Point hit
Format
Valid
Box IoU
0.458
Latency
1.68 s
Cost
$0.0046
Raw response
{"point":{"x":499,"y":492},"box":{"x":47,"y":456,"width":883,"height":72}}

GPT-5.6 Luna

OpenAI · openai/gpt-5.6-luna
Point hit
Format
Valid
Box IoU
0.993
Latency
2.40 s
Cost
$0.00013
Raw response
{"point":{"x":500,"y":466},"box":{"x":46,"y":431,"width":908,"height":70}}

Claude Sonnet 5

Anthropic · anthropic/claude-sonnet-5
Point miss
Format
Valid
Box IoU
0.000
Latency
3.60 s
Cost
$0.0028
Raw response
{"point":{"x":195,"y":394},"box":{"x":18,"y":371,"width":354,"height":47}}

Claude Opus 5

Anthropic · anthropic/claude-opus-5
Point miss
Format
Valid
Box IoU
0.294
Latency
3.71 s
Cost
$0.0071
Raw response
{"point":{"x":500,"y":505},"box":{"x":45,"y":468,"width":910,"height":76}}

Gemini 3.1 Pro Preview

Google AI Studio · google/gemini-3.1-pro-preview
Point hit
Format
Valid
Box IoU
0.985
Latency
4.41 s
Cost
$0.0030
Raw response
{"point": {"x": 500, "y": 466}, "box": 
          {"x": 47, "y": 432, "width": 906, "height": 69}}
EN