Compare

A · run_6a527avsB · run_ab70bfresearch-briefSwap A and B

Duration: 14.8s -63%; A: 40.2s
Cost: $0.023 -32%; A: $0.034
Tokens: 14.3k +28%; A: 11.2k
Steps: 5 -17%; A: 6
Model changed: Gemini 2.5 Pro; A: GPT-4.1

Steps, aligned

Change	Step	A	B
Faster	Input policy check	0.8s	0.3s
Faster	Plan the task	9.5s	4.4s
Faster	web_search	4.1s	1.5s
Same	Retrieve context · top 8	2.8s	2.4s
Changed	Write final answer	11.9s	5.3s
Removed	Write final answer	8.6s	—

Output diff

− 0 words + 0 words 100% unchanged

Summary: four of the six sources agree that agencies switch tools mainly over client portals, pricing and reporting. The strongest evidence is a 2026 survey of 1,200 agencies and two public case studies. Confidence: high.