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Kaizo plugs natively into Zendesk and Salesforce and reads every conversation across channels, teams and languages. No connector to build.
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Kaizo vs Cresta
The Kaizo alternative to Cresta
Cresta is built for live, in-call assist. Kaizo scores every conversation against your own scorecard afterwards and writes the coaching card per agent.
Live in days · Native Zendesk and Salesforce apps · Last reviewed October 2026
Kaizo vs Cresta
Trusted by global support teams
Main comparison
Why teams choose Kaizo over Cresta
Live in days, no AI linguist
Connect the helpdesk, define the scorecard you already use and switch on AutoPilot. Coverage starts the same week.
Built for support QA, not live sales assist
Kaizo grades every conversation afterwards against your own scorecard. Quality is the whole product and the whole roadmap.
Coaching that outlasts the call
AI writes a coaching card per agent from their own conversations, so coaching continues after the call ends.
Every score linked to its evidence
Each score links to the evidence in the transcript, so disputes are settled by reading, not arguing.
How Kaizo compares to Cresta
Cresta is good at what it was built for: prompting agents live, mid-call, and lifting the middle of the pack. Its reviewers get specific about the cracks in support QA: intent detection that is not very accurate, and an AI that needs someone who is almost an AI linguist. Kaizo scores every conversation against your own scorecard, writes the coaching card per agent and links every score to the transcript.
Coverage and automation
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Every conversation reviewed, not a 5% sample
Kaizo
Yes
Cresta
Yes
Why
Kaizo: AutoPilot scores 100% of conversations against your own scorecard, with no sampling and no reviewer queue.
Cresta: Credit where due: reviewers say Cresta analyses all telephone calls rather than a sample. Coverage is not the gap.
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Graded against your own QA scorecard
Kaizo
Yes
Cresta
Partial
Why
Kaizo: Kaizo takes the criteria you already use. Scoring is the product, not a report bolted onto something else.
Cresta: Its centre of gravity is live assist, and its G2 corpus is categorised almost entirely as sales coaching.
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Coaching generated per agent
Kaizo
Yes
Cresta
Partial
Why
Kaizo: Coaching cards are written per agent from their own conversations. EverHelp cut coaching prep by 75% across 16 domains.
Cresta: In-call prompts are genuinely good, but the prompt is gone when the call ends and the write-up is a manager's job.
Trust and evidence
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AI you do not have to re-check
Kaizo
Yes
Cresta
No
Why
Kaizo: Every score links to the transcript evidence, so you check by reading. Teams raise the automation rate as trust builds.
Cresta: AI accuracy is the clearest G2 theme: reviewers say intent detection is not very accurate and suggestions are sometimes not even relevant.
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Every score traces back to the conversation
Kaizo
Yes
Cresta
Partial
Why
Kaizo: Each score links to the evidence in the transcript, so disputes are settled by reading, not arguing.
Cresta: Reviewers value the transcript for recall but report it does not always transcribe properly, which weakens any score built on it.
Time, effort and cost
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Time to implement
Kaizo
Days
Cresta
Setup-heavy
Why
Kaizo: Connect the helpdesk, define a scorecard, switch on AutoPilot. Most teams go live in days.
Cresta: G2 publishes no verified implementation figure; a reviewer says the AI takes time to learn your business and call methodology.
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Runs without a dedicated AI specialist
Kaizo
Yes
Cresta
No
Why
Kaizo: AutoPilot runs continuously in the background, so keeping coverage up is not somebody's job title.
Cresta: A recent decision-maker reviewer says you need a dedicated person who is almost an AI linguist: a headcount line to fund.
Fit and focus
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Native CRM integration
Kaizo
Yes
Cresta
Partial
Why
Kaizo: Native Zendesk and Salesforce integrations read every conversation straight from the CRM you already run.
Cresta: Built around the live voice and chat conversation. Tickets and email are not where the product lives.
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Built for support QA, not live sales assist
Kaizo
Yes
Cresta
Partial
Why
Kaizo: Quality is the whole product and the whole roadmap.
Cresta: QA turns up in their G2 reviews as something teams also started using it for, off its centre of gravity.
Competitor detail is drawn from public G2 reviews and G2's verified buyer metrics, current as of July 2026. If something here is out of date, tell us and we will correct it.
How switching works
Live in days, not a quarter
Three steps. No professional services engagement and no new job title.
02 Define
Define what good looks like.
Build the scorecard your business actually uses. Kaizo can read your knowledge base, so the AI judges the way your best reviewer would.
How scorecards work 02 Define
03 AutoPilot
Switch on AutoPilot.
AutoPilot scores 100% of conversations continuously and drafts a coaching card per agent. Your leads coach instead of grading.
See AutoPilot 03 AutoPilot
01 Connect
02 Define
03 AutoPilot
In their customers' words
Why teams are moving off Cresta
Each quote is a public review of Cresta, word for word. Under it, what Kaizo does instead.
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“dislike its your AI and it takes time to understand your business model and call methodology. You have to have patience and really a dedicated person who is almost an AI linguist”
University Director of Admissions, Mid-Market, September 2025 · G2
With Kaizo: AutoPilot starts scoring your conversations in days, against the scorecard you already use. Your QA programme should not require a new job title.
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“The model used for Cresta’s knowledge assist is not very accurate in understanding the overall caller’s intent, so the questions/answers it identifies are not relevant.”
Verified User, Entertainment, Mid-Market, December 2025 · G2
With Kaizo: Kaizo connects to your knowledge base and internal tools so the AI evaluates against what your business actually knows, and every score links back to the evidence in the transcript.
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“the suggestions that come up sometimes are not even relevant to the conversation”
Inbound Sales Chat, Enterprise, July 2022 · G2
With Kaizo: An AI that is wrong in public teaches agents to ignore it. Every Kaizo score shows the line in the transcript that caused it, so agents can see why.
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“it will be nice if cresta can transcribe it properly for the bilingual customers that have accent. When you read the text, it’s completely different from the audio.”
Travel Advisor, Mid-Market, July 2022 · G2
With Kaizo: Every score is traceable to the conversation it came from, so a bad score can be checked and overturned by reading rather than by arguing with a black box.
Where the two tools actually differ
Cresta is good at real-time assist, and this page does not argue otherwise. Its prompts guide the conversation while it is happening. Kaizo grades the conversation afterwards, against your own scorecard, on 100% of your volume, and turns the pattern into coaching per agent.
If live prompts work for your team, keep them. What they do not give you is the system of record underneath: every conversation scored, every score traceable to the transcript, and coaching that continues after the call ends.
The migration
You do not have to rip anything out. Kaizo plugs natively into Zendesk and Salesforce, you build the scorecard your business already uses, and you switch on AutoPilot. Coverage starts the same week, with no professional services engagement and no new job title.
What support leaders say about Kaizo
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50%
less QA time
“Our tickets can be long and complex. AI has been a life-saver in our experience.”
SteelSeries
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75%
faster resolution
“Kaizo is an essential part of finding the root causes of areas we need to improve, then improving on that.”
Foot Locker
FAQ
Frequently asked questions
Is Cresta a bad product?
No. Cresta is good at what it was built for: reviewers describe real-time prompts lifting the middle of the pack. Cresta guides the conversation while it happens. Kaizo grades it afterwards, against your scorecard, on 100% of your volume, and turns the pattern into coaching per agent. Only one of those is a QA programme.
We already run Cresta for real-time coaching. Do we have to rip it out?
No, and we would not suggest it. If live prompts work for your team, keep them. What they do not give you is the system of record underneath: every conversation scored against your own criteria, every score traceable, and coaching that continues after the call ends. Put Kaizo underneath as the quality and coaching layer.
How long before the AI understands our business?
One of their own reviewers answered this: the AI takes time to understand your business model and call methodology, and you need a dedicated person who is almost an AI linguist. Kaizo works the other way round. Connect the helpdesk, define the scorecard you already use and switch on AutoPilot. Coverage starts the same week.
Will the AI actually be accurate on our conversations?
Do not take accuracy on faith from any vendor, including us. It is the clearest theme in Cresta's G2 profile, where reviewers say intent detection is not very accurate. Kaizo connects to your knowledge base, and every score links to the evidence in the transcript. Teams start at a comfortable automation rate and raise it as trust builds.
Does Kaizo work if we run more than one helpdesk?
Yes, and that is deliberately where Kaizo is strongest. Kaizo integrates natively with both Zendesk and Salesforce. Enterprise CX teams are rarely single-stack, and a QA layer that only works inside one channel or one ecosystem quietly becomes a reason to stay there.
See what Cresta is not scoring
We will run Kaizo across a sample of your real conversations, so you can compare the coverage rather than the feature list.
Trusted by global support teams