Twilio sells you the parts. Somebody still has to build the thing.
Twilio is superb infrastructure: programmable voice, recordings, transcription, and language operators you assemble into whatever you need. The catch is the word assemble. Priced honestly, a Twilio build is a quarter of engineering time, an owner for it afterwards, and a metering model where every extra question you ask a transcript is billed again. Callix is the finished version of that project.
Built for any team that sells on the phone
- Healthcare
- Real estate
- Insurance
- Financial services
- Education
- Contact centres
TwilioEngineering teams putting telephony inside their own product. You control the call flow end to end, you write the logic that turns a transcript into a decision, and you own everything you build.
CallixEveryone who wants the output rather than the toolkit: SMBs, agencies, in-house marketing teams, and owners. Callix reads the recordings you already produce and hands back scored calls, flagged conversations, and a dashboard, with nothing to build and nothing to maintain.
Every extra question is another line item.
Language operators bill by the characters they process, so asking five things about one transcript is charged five times. A flat per-hour rate charges for the audio once, and depth stops being a budget decision.
- +1 charge
- +1 charge
- +1 charge
- +1 charge
- +1 charge
5 questions, 5 line items
- 1 charge
- included
- included
- included
- included
5 questions, 1 line item
- 1. Transcribe it
- 2. Was the lead qualified?
- 3. What objections came up?
- 4. How did the agent do?
- 5. What's the next step?
Build it on Twilio if this is you.
With engineers to spare, building this is a perfectly respectable decision.
- The call flow itself is your product, and you need to control what happens mid-call.
- You have engineers free for the build and, the part people forget, for owning it two years from now.
- Your requirements are genuinely unusual and no finished product fits them.
- You want the whole stack in-house for commercial or regulatory reasons.
We'd rather lose the demo than the hour after it.
TwilioPrimitives: numbers, recordings, transcripts, language operators. What they become is your work.
CallixA working system. Point us at your recordings and calls come back scored, with the ones that need attention already flagged.
TwilioDevelopers. A new question about your calls is a ticket, a sprint, and a deploy.
CallixWhoever owns the phone. A new question is a new column, added in the interface, applied to every call including the ones already analysed.
TwilioMetered per operationTranscription is metered by the minute and language analysis is billed separately by the characters each operator processes, so every additional question you ask about the same call is charged again. Rates change; check their pricing page.
CallixPer hour analysedOne rate per analysed hour, and the depth of the analysis is not a billing decision. Lead quality, agent scoring, sentiment, objections, missed opportunities, and your own custom criteria all run on every call for the same hour of audio. Asking more of a call never costs more.
TwilioWhatever you write the prompts and scoring logic for, which is exactly as good as the time you put into it.
CallixA scoring layer we maintain: lead quality and agent performance scored out of 100, sentiment, buying signals, objections that stalled the deal, what the rep missed, and the recommended next step, each quoted back to the line of transcript that earned it.
TwilioUsage fees, plus the build, plus the maintenance, plus whoever inherits it.
CallixA published monthly price with the per-hour rate on the pricing page, month to month, no seat minimum.
Reviewed August 2026. We describe what each product is built for rather than publishing a feature table, because those are wrong within weeks and the ✗ column is always the part that's wrong. Check current specifics on each vendor's own site.
Twilio sells you the parts. This arrives assembled.
You could build call scoring on raw APIs, and some teams should. For everyone without a spare engineering quarter, Callix is the finished product: recordings in, scored calls and coaching reports out, configured by the person who owns the phone.
Nothing to build or maintain
No pipeline to stitch together, no prompt engineering, no model versioning, no dashboard to keep alive. The team that would have built it gets the quarter back, and nobody has to own it when that engineer leaves.
Scoring you configure in the UI
Custom criteria, custom weighting, and custom columns are settings, not a rewrite. Changing what a good call means takes a few minutes in a form rather than a sprint and a redeploy.
Every minute analysed, out of the box
Lead quality, agent score, sentiment, objections, red flags, and missed opportunities on every call, with a per-call report telling the rep exactly what to do differently. That is the layer that takes longest to build well and is easiest to build badly.
One predictable bill
A published base with hours included and a flat rate per hour after, instead of a bill assembled from per-minute recording, storage, transcription, and model tokens that nobody forecasts accurately in month one.
For teams whose product is not software
SMBs, agencies, in-house marketing teams, and business owners get an outcome rather than a toolkit. If your competitive advantage is how well your team sells on the phone, that is where the effort should go.
Bring a recording you already have. We'll score it live.
This is the thing you would be building.
Speaker separation, scoring against your own criteria, evidence quoted from the transcript, and a review workflow around it. Roughly a quarter of engineering time, then somebody owns it forever.
The sales agent contacted a lead who previously expressed interest in all-on-four implants. The agent collected basic information, acknowledged the lead’s existing dental work, and promised a treatment plan and cost estimate after consulting a dentist. The lead agreed to send photos and wait for the detailed document.
No objections recorded.
No red flags detected.
Built for the teams the enterprise tools price out.
SMBs
Five to fifty people, revenue arriving over the phone, and nobody with a spare afternoon to review calls by hand.
Agencies
Prove the leads you sent were real, and show a client exactly where their front desk lost the ones that weren't.
In-house marketing
You already know which campaigns ring the phone. This is the half of the funnel that starts after someone picks up.
Business owners
One login, plain-language scores, and the calls worth listening to picked out for you. No analyst in the middle.
Model this before you commit. Including us.
- 1Do we want a call platform, or do we want scored calls? Those are different purchases with different bills.
- 2If we build this, who owns it in eighteen months when the engineer who wrote it has moved on?
- 3What does it cost to ask one more question of every call: a config change, or another metered operation?
- 4Can non-technical staff change what gets extracted, or does every change need a developer?
- 5What happens to our recordings: retention, deletion, and whether they train anyone's model.
Questions we get asked.
Yes, and it's one of the easier setups. Twilio carries and records the calls, Callix reads the recordings and scores them. You keep your telephony exactly as it is and add the analysis layer beside it.
You can, and with engineering capacity it's a legitimate path. What those APIs return is raw output that still needs scoring logic, prompt design, storage, a review workflow, and a front end before anyone on your floor sees anything useful. That assembly is what we sell. The other thing to model before you commit is the metering: operator billing is per character processed, so running several kinds of analysis on the same transcript is charged several times, and depth gets expensive in a way a flat per-hour rate doesn't.
Yes, on Scale and Custom, so scores and summaries can be pushed into your own systems. The difference is that the analysis already works before you write a line against it.
Put your sales floor
on autopilot.
See what Callix hears in your very next call. Book a demo.