Price checkPer 1M characters
Free (F0)FreePay-as-you-goCustomCustom Neural Voice (Professional)Custom
See all 3 plans

All Microsoft Speech Services Plans & Pricing

Plan Monthly Annual Best For
View all features by plan (compare side-by-side)

Free (F0)

  • 5 audio hours/month real-time speech-to-text (shared Standard + Custom)
  • 0.5M characters/month neural text-to-speech
  • 5 audio hours/month speech translation
  • 1 custom endpoint hosting model/month (auto-decommissioned after 7 days unused)

Pay-as-you-go

  • Neural TTS $15 per 1M characters (real-time and batch)
  • Real-time speech-to-text $1/audio hour
  • Batch speech-to-text $0.18/audio hour
  • Custom transcription $1.20/audio hour real-time
  • Speech translation $2.50/audio hour
  • Add-ons (language ID, diarization, pronunciation assessment) $0.30/hour per feature

Custom Neural Voice (Professional)

  • Synthesis $24 per 1M characters (real-time and batch)
  • Neural HD synthesis $48 per 1M characters
  • Voice model training $52 per compute hour (capped at $936 per training)
  • Endpoint hosting $4.04 per model per hour
  • Limited-access feature (application required)
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Quick Answer
Last verified:
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Microsoft Speech Services costs Free to $48 per 1M characters as of July 2026, with 3 plans available including a free tier. Plan: Free (F0) (free). The median contract is $600/year based on 60 verified purchases.

Use the interactive pricing calculator to estimate your exact cost based on team size and requirements.

  • Free tier: Yes

Microsoft Speech Services offers 3 pricing tiers: Free (F0), Pay-as-you-go, Custom Neural Voice (Professional). The Pay-as-you-go plan is production applications with variable usage.

Compared to other ai voice tools software, Microsoft Speech Services is positioned at the budget-friendly price point.

  • Median contract: $600/yr from 60 purchases Directional
  • 5 documented hidden costs beyond list price
Last verified: | Sources: 6 pricing pages and reviews

How much does Microsoft Speech Services cost?

Microsoft Speech Services offers a free plan with 2 paid tiers from $Infinity to $48/1M characters. Plans include Free (F0) (free), Pay-as-you-go (custom pricing), Custom Neural Voice (Professional) (custom pricing).

Microsoft Speech Services Pricing Overview

Microsoft Speech Services has 3 pricing plans, including a free tier. Paid plans range from $0 to $48/1M characters. The Free (F0) plan is free and is best for testing, prototyping, and small projects. The Pay-as-you-go plan requires contacting sales for a custom quote and is designed for production applications with variable usage. The Custom Neural Voice (Professional) plan requires contacting sales for a custom quote and is designed for enterprise applications requiring brand-specific voices.

The median Microsoft Speech Services customer pays $600/year based on 60 verified purchases.

There are at least 5 documented hidden costs beyond Microsoft Speech Services's list price, including implementation, training, and add-on fees.

This pricing was last verified in July 4, 2026 from 6 independent sources.

Try Microsoft Speech Services Free

Microsoft Speech Services is part of Azure AI Services (formerly Cognitive Services), providing enterprise-grade text-to-speech and speech-to-text capabilities powered by Microsoft's neural AI technology. The service offers high-quality neural voices across 100+ languages with support for custom voice creation and real-time processing.

How Microsoft Speech Services Pricing Compares

Compare Microsoft Speech Services pricing against top alternatives in AI Voice Tools.

Amazon Polly $4-$100/million characters Compare → IBM Watson Text to Speech $0-$5000/per 1000 characters Compare → Speechify $0-$49/user/mo Compare →

Usage-Based Rates

Per-unit pricing for Microsoft Speech Services API usage.

Pay-as-you-go

Model Input Output Cached Per
live-interpreter-input $1.00 — — audio hour
live-interpreter-output-text — $10.00 — 1M characters
Item Dimension Unit Rate
neural-tts character 1M characters $15.00
Model / SKU Unit Price
speech-to-text-standard audio hour $1.00
speech-to-text-custom audio hour $1.20
speech-translation audio hour $2.50
  • Speech-to-text billed per second of audio sent
  • Custom speech training $10 per compute hour; custom endpoint hosting $0.0538 per model per hour
  • Voice Live API is billed per 1M tokens (separate token-based model: Pro/Standard/Lite/BYO tiers) — excluded from character-based rates
  • Commitment tiers available: Neural TTS $960/mo for 80M chars ($12/1M overage), $3,900/mo for 400M ($9.75/1M), $15,000/mo for 2,000M ($7.50/1M); STT Standard $1,600/mo for 2,000 hours down to $0.50/hour at 50,000-hour commitment

Custom Neural Voice (Professional)

Item Dimension Unit Rate
custom-voice-professional character 1M characters $24.00
custom-voice-professional-hd character 1M characters $48.00
custom-voice-professional training compute hour $52.00
Model / SKU Unit Price
custom-voice-professional model hour (endpoint hosting) $4.04
  • Training capped at $936 per training run
  • Personal Voice creation is free; synthesis pricing not published (N/A)

Compare Microsoft Speech Services vs Alternatives

Before committing to Microsoft Speech Services, compare pricing with these 3 alternatives in the same category.

VSAmazon Polly
From $4/million characters

Basic text-to-speech applications and simple voice announcements

Full comparison
VSIBM Watson Text to Speech
Free

Developers and small projects testing TTS capabilities

Full comparison
VSSpeechify
Free

Power users needing premium voices and advanced features

Full comparison

All Microsoft Speech Services alternatives & migration guides

What Companies Actually Pay for Microsoft Speech Services

The median Microsoft Speech Services buyer pays $600/year based on 60 verified purchase transactions.

What companies actually pay $600/yr Median across 60 community cost mentions Directional
Source: Community cost mentions (Reddit, Hacker News) — aggregated from 60 distinct user reports. Indicative only — not contract-grade data.

Microsoft Speech Services Year 1 Total Cost by Company Size

Real deployment costs including licenses, implementation, training, and admin — not just the sticker price.

Mobile App Development Free (within 0.5M limit) Year 1 total
within 0.5M limit
Total Free (within 0.5M limit)

Small mobile app using 0.3M characters monthly for TTS notifications and voice feedback

E-learning Platform $160 Year 1 total
10M × $16/1M
Total $160

Educational platform generating 10M characters monthly using neural voices for course narration

Enterprise Call Center $1,200 Year 1 total
50M × $24/1M
Total $1,200

Customer service system with custom neural voice processing 50M characters monthly plus endpoint hosting

How Microsoft Speech Services Pricing Compares

Software Starting Price Top Price
Microsoft Speech Services Free $48/1M characters
Amazon Polly $4/million characters $100/million characters
ElevenLabs Free $990/month
Google Cloud Text-to-Speech $4/per 1M characters $160/per 1M characters
IBM Watson Text to Speech Free $5000/per 1000 characters
LOVO AI Free $75/month

Detailed pricing comparisons:

Browse all AI Voice Tools pricing →

5 Microsoft Speech Services Hidden Costs Beyond the List Price

Beyond the listed price, Microsoft Speech Services has at least 5 documented hidden costs that can significantly increase total cost of ownership.

Watch for 5 hidden costs
  • Endpoint hosting: $4.04 per model per hour for custom neural voices
  • Voice training: $52 per compute hour for custom neural voice models
  • Azure storage costs: Audio file storage fees
  • Data egress charges: Bandwidth costs for transferring audio files
  • Azure Functions costs: If using serverless architecture for integration
Tip

Ask your Microsoft Speech Services sales rep about these costs upfront. Getting them in writing before signing can save you from surprise charges later.

Full hidden costs breakdown →

Microsoft Speech Services Price History

Pricing changes CostBench has tracked for Microsoft Speech Services, verified across 2 snapshots going back to 2026Q2.

  1. Microsoft Speech Services price decrease

    Highest tier decreased from $100 to $48/month

    -52%

  2. Microsoft Speech Services tier renamed

    "Custom Neural Voice" renamed to "Custom Neural Voice (Professional)"

View Microsoft Speech Services's full price history →

Microsoft Speech Services Pricing FAQ

01 How much does Microsoft Speech Services cost?

Microsoft Speech Services offers a free tier with 0.5M characters/month for TTS and 5 audio hours for STT. Pay-as-you-go neural TTS costs $16/1M characters, while custom neural voices cost $24/1M characters plus hosting fees.

02 Does Azure Speech have a free tier?

Yes, the F0 tier provides 0.5 million characters per month for text-to-speech and 5 audio hours per month for speech-to-text services. Neural voices are included in the free tier.

03 What are the hidden costs of Azure Speech?

Hidden costs include custom voice training at $52/hour, endpoint hosting at $4.04/hour per model, Azure storage for audio files, data egress charges, and potentially Azure Functions costs for integration.

04 How does Azure Speech compare to Amazon Polly pricing?

Azure Speech neural voices cost $16/1M characters vs Amazon Polly's $16/1M for neural voices. Azure offers a more generous free tier (0.5M vs 5M characters) but Polly has standard voices at $4/1M characters while Azure focuses on neural quality.

05 Are there volume discounts for Azure Speech?

Yes, Azure offers commitment pricing tiers for predictable workloads starting at 2,000 hours monthly. Enterprise customers can negotiate custom pricing through Azure Enterprise Agreements.

06 What's the difference between standard and neural voices in Azure?

Azure primarily offers neural voices at $16/1M characters which sound natural and human-like. Custom neural voices cost $24/1M characters plus hosting fees but allow for brand-specific voice creation with advanced AI quality.

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