AssemblyAI vs Speechmatics — Pricing (2026)
Compare / AssemblyAI vs Speechmatics
Shortlist
Team size
25 seats

AssemblyAI vs Speechmatics

AI Transcription APIs pricing comparison · 2026

AssemblyAI is usage-based from $0.15 per hour, while Speechmatics is usage-based from $0.12 per hour. These products use different pricing models (Usage-based (pay per token/image/minute) vs Per-seat subscription), so a direct price comparison isn't meaningful — costs depend on usage volume and mix.

Visit
See pricing on each vendor's site
Above-the-fold path — each link opens the vendor's pricing page in a new tab.
Visit AssemblyAI pricing
Free plan limits → Discount programs →
Visit Speechmatics pricing
Free plan limits → Discount programs →
Compare
2 products · AI Transcription APIs
Side-by-side · live
AssemblyAI
AssemblyAI is a developer-focused speech-to-text and audio intelligence API platform that
verified 3mo ago
View pricing →
Speechmatics
Speechmatics is a multilingual speech recognition platform specializing in speech-to-text
verified 3mo ago
View pricing →
Estimated license cost
at 25 seats
List price × seats. Click a tier below to lock it.
Usage-based
$0.21 per hour
see vendor pricing for volume tiers
Usage-based
$0.129 per hour
see vendor pricing for volume tiers
REF · 01

Sources & confidence

Every dollar amount and contract clause below traces back to a sourced fact. We don't manufacture composite scores.

Where this data comes from
Vendr · TrustRadius · Reddit · BBB · official docs
Sources 8 sourced facts
6 hidden-cost · 1 contract · 1 review platform
Last verified 3mo ago
Confidence High confidence
Sources 6 sourced facts
3 hidden-cost · 2 contract · 1 review platform
Last verified 3mo ago
Confidence High confidence
REF · 02

Plans at a glance

Every tier per product. Lock one to drive the cost row above and reveal a tier-specific outbound CTA.

Tier ladder
Click a tier to lock the cost row to it. Locking surfaces a tier-specific Visit CTA.
REF · 03

Hidden costs

Each cost is severity-ranked, with the dollar range quoted from its source (Vendr, Reddit, TrustRadius, BBB, official docs) — never our estimate.

Beyond the sticker
Severity-ranked, sourced
5 documented
  • Feature Add-ons
    +$0.02/hour (speaker identification), +$0.02/hour (sentiment analysis), +$0.03/hour (summarization), +$0.08/hour (PII redaction), +$0.08/hour (entity detection), +$0.15/hour (topic detection), effective rate to approximately $0.45 per hour
    1 source
  • Cloud Platform Overhead
    $20-50 monthly (Cloud Storage), $30-80 monthly (Compute functions), $10-30 monthly (Message queues), $40-100 monthly (Data egress fees)
    1 source
  • Engineering Time for Integration
    20-40 hours (production pipelines), 40-80 hours (API integration)
    1 source
  • Accuracy and Correction Costs
    effectively tripling the cost
    1 source
  • Data Residency
    10%
    1 source
3 documented
  • Undisclosed Usage Limit Reductions
    15-30% of license costs
    1 source
  • Silent Model Downgrade
    10-25% of license costs
    1 source
  • Silent Transcription Failures
    5-15% of license costs
    1 source
REF · 04

Contract terms

The fine print, surfaced. Green = buyer-friendly. Each clause backed by a quoted source.

AssemblyAI
Speechmatics
Auto-renewal
Yes
Yes
Cancellation
Either party can opt out of automatic renewal by providing written notice 30 days prior to the end of the then-current term; termination for convenience by the customer is effective 30 days after AssemblyAI receives notice.
one calendar month's notice
Commitment
No upfront commitments for standard pay-as-you-go services; enterprise contracts may include minimum commitments, and committed volume plans offer discounts.
no commitment required for Pro tier; Enterprise plans likely involve minimum commitments
Price escalation
—
Speechmatics' terms allow them to increase unit rates 'from time to time on notice to You'
Can downgrade
—
—
Based on 3 verified sources (Vendr · TrustRadius · BBB)
REF · 05

What users say

Aggregated, with sample sizes. We use whichever review platform has data.

User reviews
TrustRadius · Trustpilot · G2
G2
4.5out of 5 (123)
Best for
Startups and mid-sized companies with moderate transcription volumes needing flexible billing
Watch out
Accuracy issues: occasional inaccuracies, especially with challenging audio (e.g., poor quality, strong background noise, difficult accents, or technical jargon).
Trustpilot
1out of 5 (1)
Best for
Developers prototyping applications or teams with low-volume transcription needs (<50 hours/month combined real-time + batch)
Watch out
Dark patterns: effective usage limits far more restrictive than advertised (reported 10x+) with no warnings
Decide
Get a quote from each vendor
Each link opens the vendor's pricing page in a new tab.
Visit AssemblyAI pricing
Free plan limits → Discount programs →
Visit Speechmatics pricing
Free plan limits → Discount programs →
License cost is computed from publicly listed plans (real math, list price × seats). Median annual cost is from Vendr's deal flow when available — see source badges. Hidden costs and contract terms each cite their own sources. We do not invent composite scores.
AI Transcription APIs

AssemblyAI

Free tier; usage-based, from $0.15 per hour
3 plans
Full pricing breakdown →
VS
AI Transcription APIs

Speechmatics

Free tier; usage-based, from $0.12 per hour
3 plans · Free tier
Full pricing breakdown →
⚖

Different Pricing Models

Direct price comparison isn't meaningful here — AssemblyAI uses Usage-based (pay per token/image/minute) pricing while Speechmatics uses Per-seat subscription pricing. Your actual cost will depend on usage volume, team size, or both. Here's each product in its native unit.

Usage-based (pay per token/image/minute)

AssemblyAI

From $0.15 per hour
See full AssemblyAI pricing →
vs
Per-seat subscription

Speechmatics

Free tier; usage-based, from $0.12 per hour
See full Speechmatics pricing →

AssemblyAI and Speechmatics both operate in the ai transcription apis category. This page compares their published pricing.

Plan-by-Plan Pricing

Plan AssemblyAI Speechmatics
Pay-As-You-Go Custom Free /minute
Enterprise Custom Custom
Custom (Universal-3.5 Pro) Custom Custom

Cost at Scale

Total cost of ownership — licenses, implementation, and hidden costs included.

AssemblyAI

2 scenarios
$10/month ($120/year)
Podcast Transcription Startup (50 hours/month)
$7.50 for transcription (50 hrs × $0.15/hr), $1.00 for speaker diarization (50 hrs × $0.02/hr), $1.50 for summarization (50 hrs × $0.03/hr). Total per-hour cost: $0.20/hr.
$210/month ($2,520/year)
Customer Call Analytics Platform (500 hours/month)
$75 for transcription (500 hrs × $0.15/hr), $10 for speaker diarization, $40 for entity detection, $10 for sentiment analysis, $75 for topic detection. Total per-hour cost: $0.42/hr. Enterprise pricing with 30-50% volume discount would reduce this to ~$1,500-$1,800/year.

Speechmatics

1 scenario
$0/month ($0/year)
Multilingual Content Creator (300 minutes/month)
300 minutes/month is fully covered by the Free tier's 480 minutes/month limit. No charges incurred. Excess 180 minutes/month unused.

What Users Say

AssemblyAI

G2
4.5out of 5 (123)
Top complaints
  • Accuracy issues: occasional inaccuracies, especially with challenging audio (e.g., poor quality, strong background noise, difficult accents, or technical jargon).
  • Pricing: The cost can become expensive at higher usage levels.
  • Limited Language Support: Users have expressed a desire for improved and more diverse language support.

Speechmatics

Trustpilot
1out of 5 (1)
Top complaints
  • Dark patterns: effective usage limits far more restrictive than advertised (reported 10x+) with no warnings
  • Models silently downgraded to lower quality in the background without notification
  • Transcription silently skips large sections of text without returning error messages

Hidden Costs

Beyond the sticker price — what catches buyers off guard.

AssemblyAI 6 hidden costs

high
Feature Add-ons +$0.02/hour (speaker identification), +$0.02/hour (sentiment analysis), +$0.03/hour (summarization), +$0.08/hour (PII redaction), +$0.08/hour (entity detection), +$0.15/hour (topic detection), effective rate to approximately $0.45 per hour
medium
Cloud Platform Overhead $20-50 monthly (Cloud Storage), $30-80 monthly (Compute functions), $10-30 monthly (Message queues), $40-100 monthly (Data egress fees)
high
Engineering Time for Integration 20-40 hours (production pipelines), 40-80 hours (API integration)
high
Accuracy and Correction Costs effectively tripling the cost
medium
Data Residency 10%
See all AssemblyAI hidden costs →

Speechmatics 3 hidden costs

high
Undisclosed Usage Limit Reductions 15-30% of license costs
high
Silent Model Downgrade 10-25% of license costs
medium
Silent Transcription Failures 5-15% of license costs
See all Speechmatics hidden costs →

Contract Terms

Term AssemblyAI Speechmatics
Auto-renewal Yes Yes
Cancellation Either party can opt out of automatic renewal by providing written notice 30 days prior to the end of the then-current term; termination for convenience by the customer is effective 30 days after AssemblyAI receives notice. one calendar month's notice
Minimum commitment No upfront commitments for standard pay-as-you-go services; enterprise contracts may include minimum commitments, and committed volume plans offer discounts. no commitment required for Pro tier; Enterprise plans likely involve minimum commitments
Price escalation — Speechmatics' terms allow them to increase unit rates 'from time to time on notice to You'

Continue researching

AssemblyAI

Speechmatics

Related Comparisons