Staxly

ElevenLabs vs Firebase

Best-in-class AI text-to-speech + voice cloning + Conversational AI
vs. Google's mobile & web app development platform

ElevenLabs websiteFirebase website

Pricing tiers

ElevenLabs

Free
10k credits/month. No voice cloning. Limited API.
Free
Starter
$6/mo. 30k credits. Instant voice cloning. Limited API.
$6/mo
Creator
$11/mo (first month 50% off). 121k credits. Professional cloning. Full API.
$11/mo
Pro
$99/mo. 600k credits. 44.1 kHz PCM API. Professional cloning.
$99/mo
Scale
$299/mo. 1.8M credits. 3 professional voice clones.
$299/mo
Business
$990/mo. 6M credits. 10 pro clones. Low-latency TTS API.
$990/mo
Enterprise
Custom. Unlimited pro clones + full access.
Custom
ElevenLabs website

Firebase

Spark (No-cost)
Free tier with generous quotas. No credit card required. Cannot exceed free quotas.
Free
Blaze (Pay as you go)
Usage-based billing. Includes Spark quotas free, then pay Google Cloud rates. Required for Cloud Functions outbound networking, scheduled jobs, some extensions.
Custom
Firebase website

Free-tier quotas head-to-head

Comparing free on ElevenLabs vs spark on Firebase.

MetricElevenLabsFirebase
auth mau50000 users/month
firestore deletes per day20000 docs/day
firestore egress gib month10 GiB/month
firestore reads per day50000 docs/day
firestore storage gib1 GiB
firestore writes per day20000 docs/day
functions cpu seconds200000 CPU-sec/month
functions gb seconds400000 GB-sec/month
functions invocations2000000 invocations/mo
functions outbound gb5 GB/month
hosting storage gb10 GB
hosting transfer gb month10.8 GB/month
phone sms verifications day10 sms/day
rtdb connections100 connections
rtdb downloaded gb month10 GB/month
rtdb stored gb1 GB
storage downloaded gb day1 GB/day
storage gb5 GB
storage operations day50000 ops/day

Features

ElevenLabs · 13 features

  • Conversational AIVoice agents with LLM orchestration + tools.
  • Dubbing StudioAuto-dub video to target languages with lip-sync.
  • ProjectsLong-form narration workflow — books, podcasts.
  • Realtime StreamingLow-latency TTS streaming via WebSocket.
  • Scribe (STT)High-accuracy speech-to-text with speaker diarization.
  • Sound EffectsAI-generated SFX from text prompts.
  • Text to SoundGenerate music + sound from text.
  • Text-to-SpeechStudio-quality TTS across 29 languages with emotion control.
  • Voice ChangerTransform one voice into another preserving delivery.
  • Voice CloningInstant (short sample) + Professional (30 min +) voice cloning.
  • Voice DesignDesign voices from text descriptions.
  • Voice Library3,000+ community voices. License per-voice.
  • Voiceover StudioMulti-character voiceover timeline.

Firebase · 20 features

  • A/B TestingExperiments on Remote Config params, FCM notifications, and Analytics events. Ba
  • App CheckAttestation service: only requests from authentic, untampered app instances reac
  • App HostingManaged hosting for modern web apps (Next.js, Angular, SvelteKit). Git-based dep
  • Cloud FirestoreServerless NoSQL document database. Real-time sync, ACID transactions, offline p
  • Cloud FunctionsServerless functions (Node.js/Python). Trigger on HTTP, Firestore, RTDB, Auth, S
  • Cloud StorageObject storage for user files. Built on GCS. Security rules + signed URLs. Resum
  • CrashlyticsReal-time crash reporting for iOS/Android/Unity/Flutter. Stack traces, breadcrum
  • Data ConnectGraphQL API backed by Cloud SQL for PostgreSQL. Type-safe SDK generation. Previe
  • Dynamic LinksDeep links that survive app install. NOTE: deprecated, shutdown Aug 2025 — migra
  • FCM TopicsPublish/subscribe messaging: devices subscribe to topic names; backend sends one
  • Firebase AI LogicClient-side SDK to call Gemini models directly from mobile/web. Formerly "Vertex
  • Firebase AuthenticationDrop-in auth: email/password, phone, anonymous, 10+ federated providers, custom
  • Firebase Cloud MessagingPush notifications for iOS, Android, Web (APNs/FCM transports). Topics, device g
  • Firebase ExtensionsPre-packaged Cloud Functions + config: Stripe, Algolia search, image resize, tra
  • Firebase HostingStatic + dynamic hosting with global CDN. Preview channels, atomic deploys, rewr
  • GenkitOpen-source AI app framework. Unified API for Gemini, OpenAI, Ollama; tools, RAG
  • Google Analytics for FirebaseFree unlimited event tracking with audience building. BigQuery export on Blaze.
  • Performance MonitoringApp startup, HTTP network, and custom traces. Integrates with Google Analytics e
  • Realtime DatabaseLow-latency JSON tree database with WebSocket sync. Best for high-frequency pres
  • Remote ConfigFeature flags / parameterized config with conditional targeting (user property,

Developer interfaces

KindElevenLabsFirebase
CLIFirebase CLI
SDKelevenlabs (Node), elevenlabs (Python)Admin SDK (Go), Admin SDK (Java), Admin SDK (Node.js), Admin SDK (Python), Android SDK, Apple Platforms SDK, Flutter SDK (FlutterFire), JavaScript SDK, Unity SDK
RESTElevenLabs REST APIAuth REST API, Cloud Storage REST, Firebase Management API, Firestore REST API, Realtime Database REST
MCPElevenLabs MCPFirebase MCP Server
OTHERWebhooks, WebSocket StreamingFirestore gRPC, Realtime Database WebSocket
Staxly is an independent catalog of developer platforms. Outbound links to ElevenLabs and Firebase are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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