Compare

A · run_cb4f29vsB · run_b474c5research-briefSwap A and B

Duration: 14.4s +129%; A: 6.3s
Cost: $0.022 -58%; A: $0.052
Tokens: 22.4k +13%; A: 19.8k
Steps: 4 -43%; A: 7
Model changed: Claude Haiku; A: GPT-4.1

Steps, aligned

Change	Step	A	B
Slower	Input policy check	0.1s	0.6s
Slower	Plan the task	1.7s	5.9s
Slower	web_search	0.6s	1.3s
Changed	Write final answer	0.5s	5.8s
Removed	Decide next step	1.4s	—
Removed	fetch_page	0.6s	—
Removed	Write final answer	1.1s	—

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.