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Fish Audio vs Speechify
Fish Audio is positioned as a developer speech API and creative voice workspace; paid TTS usage is metered in UTF-8 bytes. Speechify is positioned as a developer TTS API under SpeechifyAI, distinct from the consumer reading subscr
Fish Audio is positioned as a developer speech API and creative voice workspace; paid TTS usage is metered in UTF-8 bytes. 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.
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 | Fish Audio | Speechify |
|---|---|---|
| Billing modelDifferent records | component-stack | character-credit |
| Billing unitDifferent records | TTS: million UTF-8 bytes; ASR: audio hours; Agents: conversation minutes | 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 | Yes | Not applicable |
| WebhooksDifferent records | YesAPI / webhook | YesUnknown |
Your requirements & next steps
Your requirements
Ready-made / AI receptionist · Strict evidence mode
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TTS uses UTF-8 bytes, ASR audio hours, Agents minutes plus carrier/model/add-ons. Multiple products must not share a fabricated normalized unit.
Paid monthly subscription includes USD usage balance consumed by character-priced synthesis. Agent quote separate.
Free TTS model and Agents promotional basic LLM scope are separate.
Captured pricing summary does not provide complete per-character rate/balance table; full pricing evidence requested. Do not use consumer reader plans.
Each product keeps its own billing unit.
Enterprise agent pricing excluded from this ladder.
API access; managed numbers have separate rental and enterprise agreement may differ.
Included USD usage balance and per-character usage, not all-in agent minutes.
Real sessions consume balance including relevant carrier/model charges; no monthly included minutes.
Captured pricing summary does not provide complete per-character rate/balance table; full pricing evidence requested. Do not use consumer reader plans.
Destination, transfer and selected model affect cost; no complete ceiling.
In-flight requests continue and small overshoot is possible; not a guaranteed complete monthly ceiling.
Rates have explicit event/destination scope, not a single maximum.
Separate provider credentials and buyer deployment.
Not yet researched against this buyer-critical field standard.
Not yet researched against this buyer-critical field standard.
Call mix, destination, transfer time, selected model/token usage and separate speech products prevent a universal complete monthly/minute ceiling.
Self-serve TTS balance does not determine telephony, recognition, LLM and hosting spend; enterprise agent quote unknown.
Call mix, destination, transfer time, selected model/token usage and separate speech products prevent a universal complete monthly/minute ceiling.
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.
Fish Audio
UTF-8 bytes and characters are not interchangeable for multilingual scripts.
TTS $15/M UTF-8 bytes; ASR $0.36/audio hour; Agents $0.06/min + applicable surcharges · V3.3 evidence review · TTS API reference; Voice Agents beta has separate minute-based billing
Excluded / confirm: Complete cost cannot be established from this reference. Call mix, destination, transfer time, selected model/token usage and separate speech products prevent a universal complete monthly/minute ceiling. · Phone destination surcharge, $1.20/month managed number, cold $0.015/min or warm $0.025/min post-transfer, non-basic LLM tokens; BYO carrier separate
TTS uses UTF-8 bytes, ASR audio hours, Agents minutes plus carrier/model/add-ons. Multiple products must not share a fabricated normalized unit.
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.
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