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Bulbul vs Octave

Bulbul or Octave? Their plans monthly and yearly, the capabilities their makers state, security and latest updates, side by side — read from the makers' own pages.

In inglese

In short

  • Both: Text to speech, Voice cloning, API
  • Only Bulbul states: Commercial use
  • Only Octave states: Many languages

Bulbul

Bulbul is Sarvam's text-to-speech model for generating speech in 11 Indian languages with selectable voices and pace control.

Plans

Bulbul v3

  • ₹30 per 10K characters
  • Rounded to the nearest character.

Prices checked 2026-09-25 on the maker’s page.

Capabilities

  • Text to speech — “Bulbul v3 is our latest text-to-speech model, specifically designed for Indian languages and accents.” source
  • Voice cloning — “Bulbul V3 supports voice cloning, allowing teams to create custom voices that maintain natural expressiveness and quality.” source
  • Commercial use — “For commercial production rights when shipping generated audio, see Commercial Licensing.” source
  • API — “Looking to integrate the Bulbul V3 API within your Products/Applications?” source

Security

  • SOC 2 Type II — “ISO 27001 and SOC 2 Type II certified.” source
  • SOC 2 — “ISO 27001 and SOC 2 Type II certified.” source
  • ISO 27001 — “We're ISO 27001:2022 certified and hold SOC 2 Type II.” source
  • Not: ISO 42001 — “ISO 42001 is in progress, and we'll publish it when it's done.” source
  • Not: Not trained on your data — “Custom models trained on a customer's data remain inside the customer's environment, with weights they own and we never reuse.” source

Latest updates

About Bulbul

Octave

Octave is Hume's text-to-speech API for expressive speech, custom voices, emotional delivery, and real-time audio streaming.

Plans

Free

Free

  • 10,000 monthly included characters
  • 5 minutes of monthly EVI usage included
  • 15 requests per minute
  • 1 concurrent connection
  • Unlimited voice cloning (create and use)

Starter

  • $3 / month
  • 30,000 monthly included characters
  • 40 minutes of monthly EVI usage included
  • 5 concurrent connections
  • Unlimited voice cloning (create and use)

Creator

  • $14 / month
  • 140,000 monthly included characters
  • 200 minutes of monthly EVI usage included
  • 75 requests per minute
  • 5 concurrent connections
  • Unlimited voice cloning (create and use)

Pro

  • $70 / month
  • 1,000,000 monthly included characters
  • 1,200 minutes of monthly EVI usage included
  • 10 concurrent connections
  • Unlimited voice cloning (create and use)

Scale

  • $200 / month
  • 3,300,000 monthly included characters
  • 5,000 minutes of monthly EVI usage included
  • 20 concurrent connections
  • 3 team seats
  • Unlimited voice cloning (create and use)

Business

  • $500 / month
  • 10,000,000 monthly included characters
  • 12,500 minutes of monthly EVI usage included
  • 30 concurrent connections
  • 5 team seats
  • Unlimited voice cloning (create and use)

Enterprise

Price on request

  • As much text-to-speech usage as you need
  • As much EVI usage as you need
  • As many concurrent connections as you need
  • Unlimited team seats
  • Unlimited voice cloning (create, use and access via API)
  • Slack support

Prices checked 2026-09-25 on the maker’s page.

Capabilities

  • Text to speech — “Generate expressive, natural-sounding speech that conveys the full range of human emotion.” source
  • Voice cloning — “Choose from a curated library of expressive voices, clone any voice from a sample, or design entirely new voices from natural language descriptions.” source
  • Many languages — “Native-quality speech in 16+ languages with authentic accents.” source
  • API — “Octave is Hume's text-to-speech API with emotional intelligence.” source

Latest updates

About Octave