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Hume AI vs Speechify
Hume AI is positioned as hume TTS and EVI API sunset: announced access end November 13, 2026 at 05:01 UTC. Retained for historical comparison and migration research. Speechify is positioned as a developer TTS API under SpeechifyAI
Hume AI is positioned as hume TTS and EVI API sunset: announced access end November 13, 2026 at 05:01 UTC. Retained for historical comparison and migration research. Speechify is positioned as a developer TTS API under SpeechifyAI, distinct from the consumer reading subscription. Start by deciding who owns the missing layers, then inspect the documented differences below.
9 jointly documented catalog fields. This measures evidence coverage, not equivalent quality or an overall winner.
TTS + EVI API sunset · Announced end: 13 Nov 2026, 05:01 UTC. Read notice & sources →
Test opening hours, booking conflicts and an unanswered transfer.
Start where the records differ.
Values and evidence states are compared together. Shared facts follow the differences; Unknown never means No.
| Decision point | Hume AI | Speechify |
|---|---|---|
| Billing modelDifferent records | monthly-bundle | character-credit |
| Billing unitDifferent records | Monthly subscription + EVI minutes / TTS characters / supplemental LLM usage | Monthly plan + character-based synthesis debited from USD usage balance |
| Bring your telephonyDifferent records | Yes | Unknown |
| Bring your modelDifferent records | Yes | Unknown |
| Warm transferDifferent records | Unknown | Not applicable |
| HIPAA pathDifferent records | Yes | Unknown |
Your requirements & next steps
Your requirements
Ready-made / AI receptionist · Strict evidence mode
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Subscription includes TTS/EVI/Voice allowances; overage and managed external LLM usage add cost.
Paid monthly subscription includes USD usage balance consumed by character-priced synthesis. Agent quote separate.
Free plan exists; paid entry is not a complete phone-call bill.
Captured pricing summary does not provide complete per-character rate/balance table; full pricing evidence requested. Do not use consumer reader plans.
Incompatible product allowances are not collapsed into one all-in minute price.
Enterprise agent pricing excluded from this ladder.
First-month Creator promotion is separate from regular price; Enterprise custom.
Included USD usage balance and per-character usage, not all-in agent minutes.
Plan-scoped EVI allowance; does not include every third-party carrier/model charge.
Captured pricing summary does not provide complete per-character rate/balance table; full pricing evidence requested. Do not use consumer reader plans.
TTS characters, EVI minutes and supplemental model usage remain separate.
In-flight requests continue and small overshoot is possible; not a guaranteed complete monthly ceiling.
Separate provider credentials and buyer deployment.
Not yet researched against this buyer-critical field standard.
Not yet researched against this buyer-critical field standard.
Self-serve TTS balance does not determine telephony, recognition, LLM and hosting spend; enterprise agent quote unknown.
Self-serve TTS balance does not determine telephony, recognition, LLM and hosting spend; enterprise agent quote unknown.
Anyone with this link can view the encoded decision criteria.
Vendor documentation establishes a claim. Public model benchmarks are separate context, not measurements of these platforms.
Open saved comparison ↗What to verify together.
Hume AI
VoiceAgent.best recommends evaluating migration options rather than starting a new long-term TTS or EVI API deployment. This is our editorial judgment; replacement compatibility has not been established.
$3/month Starter; included EVI minutes and overage depend on plan · V3.3 evidence review · Starter subscription reference; EVI 40 minutes; external LLM/telephony extra
Excluded / confirm: Complete cost cannot be established from this reference. Selected external LLM, carrier, token/character consumption and overages prevent a complete cost ceiling from monthly minutes alone. · Hume-managed external LLM usage extra; BYO key/custom model paid outside Hume; Twilio separate
Subscription includes TTS/EVI/Voice allowances; overage and managed external LLM usage add cost.
Speechify
Consumer and API plans are different products.
Free $0; Starter $10; Pro $99; Scale $499 per month · V3.3 evidence review · Starter TTS API plan; credit/character schedule unresolved; Enterprise Agents separate quote
Excluded / confirm: Complete cost cannot be established from this reference. Self-serve TTS balance does not determine telephony, recognition, LLM and hosting spend; enterprise agent quote unknown. · External STT, LLM, orchestrator, carrier and hosting
Paid monthly subscription includes USD usage balance consumed by character-priced synthesis. Agent quote separate.
The evidence overlap.
Both records have documented values for Product type, Technical setup, Pricing model, Published numeric pricing, Free tier, Realtime / streaming audio, Published included concurrency at least, Checked within 30 days, Retained price snapshot. Matching availability does not measure behavior under your call conditions.
Run the same booking, tool failure and unsuccessful human-transfer cases. Record both outcomes and billable units before signing a deployment agreement.
Review Hume API sunset & migration guidance →