SpeechifyAI vs Hume

Hume's EVI is an expressive, empathic speech-to-speech model priced $0.04-0.07/min, but that excludes the LLM (billed separately by your provider) and the lowest rates need a large plan. SpeechifyAI is truly all-in with the LLM included, plus deterministic workflows, tool calling, and compliance, quoted per contract.

SpeechifyAI
Hume
SpeechifyAI at a glance
all-in, LLM included
One rate
volume agreed up front
Per contract
+ webhooks
Tool calling
Type II certified
SOC 2
SpeechifyAI vs Hume, capability by capability
CapabilitySpeechifyAIHume
PricingQuoted per contract, all-in with the LLM included$0.04–0.07/min + external LLM billed separately
LLM costIncluded, no passthroughBring-your-own, billed by your LLM provider
Free tierPilot scoped with our team5 min/mo
Primary strengthProduction platform: workflows, integrations, complianceEmotionally expressive, empathic voice
Workflow editorVisual + code, deterministicBuild-your-own
IntegrationsTool calling + webhooksBuild-your-own
ComplianceSOC 2 Type IISOC 2 Type II
SpeechifyAI vs Hume, in plain English

The LLM is included

Hume's Empathic Voice Interface is a strong empathic voice model at $0.04 to $0.07 a minute, but the per-minute price excludes the LLM; you bring an external provider and pay them separately, so the actual bill is the EVI subscription plus whatever the model spend turns out to be. SpeechifyAI is one all-in rate with the LLM permanently included with the LLM in the rate, so the bill stays predictable as model choices change, and a smarter model landing later leaves the rate unchanged.

The production layer around the voice

Hume's emotion model is genuinely distinctive: 48 emotions and 600 voice descriptors, trained for empathic delivery; if emotional range is the requirement, that is Hume's ground. SpeechifyAI puts the voice inside the production layer: deterministic workflows, tool calling, webhooks, simulated test callers, telephony, and SOC 2 Type II, which together cover the production layer Hume leaves to the customer.

The verdict

SpeechifyAI is a single per-minute rate with the LLM included so the bill stays predictable as model choices change, plus deterministic workflows, tool calling, telephony, and SOC 2 Type II compliance.

Privacy preferences

Choose what we may store on this device. You can change this at any time from the footer.

Strictly necessary

Sign-in, security, load balancing, and remembering your privacy choices. These cannot be switched off.

Always on

Analytics

How the site is used in aggregate - which pages get read, where people get stuck - so we can improve it.

Marketing

Measures which campaigns bring people here, and lets us show relevant ads on other platforms.