Controller: {"at_commit_policy": "late_bind", "enable_thinking": false, "image_scale": 2, "invoke_on": "frame_change", "kind": "vlm_late_binding", "max_tokens": 256, "min_match_score": 0.8, "model_id": "ByteDance-Seed/UI-TARS-1.5-7B", "prompt_version": 7, "reasoning_effort": null, "restart_threshold_px": null, "temperature": 0.0, "template_radius_px": 12}

Recorded frames from the first decision to the last receipt, every 4th frame, time compressed 10×; red = committed click.

Key frames: each decision's starting frame with the click it produced (amber = proposal before binding, red = committed, grey = suppressed), then the screen at each arrival A (green = valid).
You are a GUI agent. You are given a task and your action history, with screenshots. You need to perform the next action to complete the task. ## Output Format ``` Thought: ... Action: ... ``` ## Action Space click(point='<point>x1 y1</point>') wait() #Sleep for 5s and take a screenshot to check for any changes. ## Note - Use English in `Thought` part. - Write a small plan and finally summarize your next action (with its target element) in one sentence in `Thought` part. ## User Instruction A red balloon appears at an unknown position and may drift; it disappears after a short time. If the balloon is visible, click the center of the red balloon. If no balloon is visible, wait. [user] Screenshot attached. Click the target's center or wait.
| # | B | model done B→D | model response (raw) | parsed | action (canvas px) | D (commit) | A (receipt) | out tokens |
|---|---|---|---|---|---|---|---|---|
| 1 | 533 ms | 6,642 ms 6.11 s | Thought: I noticed a red balloon appearing in the center of the screen, which is exactly what we were looking for. According to the task instructions, I need to click on the center of the balloon to make it disappear. So, I'm going to move my mouse over and click on that spot now. Action: click(start_box='(169,134)') | click img (169, 134) | {'kind': 'click', 'x': 84, 'y': 67} tracked at D: proposed {'kind': 'click', 'x': 84, 'y': 67} → committed {'kind': 'click', 'x': 84, 'y': 67} (moved 0.0 px, NCC 1.0, 62 ms) | 6,704 ms | 6,724 ms · VALID | 81 |
| id | event | task time | harness time |
|---|---|---|---|
| 1 | target_appears | 500 ms | 500 ms |
402 observations published; first frame depicting the target published at 530 ms. Raw trace: live_v0_late_bind_s304.jsonl.