Compare

A · run_8c21abvsB · run_98dad9research-briefSwap A and B

Duration: 35.8s +94%; A: 18.5s
Cost: $0.022 -49%; A: $0.042
Tokens: 25.0k +160%; A: 9.6k
Steps: 4 -33%; A: 6
Model changed: Claude Haiku; A: Claude Sonnet

Steps, aligned

Change	Step	A	B
Slower	Input policy check	0.3s	1.0s
Slower	Plan the task	4.2s	14.1s
Slower	web_search	1.5s	4.1s
Changed	Write final answer	2.0s	14.6s
Removed	Decide next step	4.5s	—
Removed	Write final answer	4.9s	—

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.