W
WAmazon Transcribe vs Siena AI
Pricing, features, platforms and who each one suits — side by side.
A
Choose Amazon Transcribe if…
- you want a free plan to start with
- you need an API to build on
- you're in its core audience: developers building on aws, contact center teams
S
Choose Siena AI if…
- you work on Slack
- you're in its core audience: consumer brands, e-commerce customer experience teams
Side by side
Feature Amazon Transcribe Siena AI
Pricing modelFreemiumPaid
Starting price—$750/mo
Free plan
Free trial
API
Open source
Security and compliance—SOC 2 Type II, GDPR
Speaker labels—
File upload—
PlatformsWeb, APIWeb, Slack
CategoryTranscriptionCustomer Support
Rank in its category#2 of 5#6 of 12
CompanyAmazon Web Services, Inc.Siena Labs, Inc.
Based inUnited StatesUnited States
Founded——
Part ofAmazon.com, Inc.—
What you'd pay
The cheapest plan that fits, per month, billed yearly where the plan offers it.
| Team size | Amazon Transcribe | Siena AI |
|---|---|---|
| 1 person | no published plan | $750 Platform fee |
| 5 people | no published plan | $750 Platform fee |
| 20 people | no published plan | $750 Platform fee |
Key features
A Amazon Transcribe
- Batch and real-time streaming transcription
- Speaker diarization and automatic language identification
- Custom vocabularies and custom language models
- Automatic redaction of sensitive information
- Call Analytics with sentiment and generative summaries
- Toxicity detection and content moderation
- HIPAA-eligible medical transcription
- Features available in 100+ languages
S Siena AI
- Automated order updates, return labels, refunds and replacements
- Subscription skip, pause and swap handling with upsell suggestions
- Shopping Agent for product recommendations
- Social Agent for product questions and community moderation
- Copilot for drafting on-brand replies and translations
- AI Personas, guardrails and granular policy controls
- Collaborative AI Routing that explains each handoff
- Siena Docs knowledge base with a branded public help center
Plans and prices
From each vendor's site. Prices change — confirm before buying.
Amazon Transcribe
Free TierFree
Standard Batch$0.006/min (US East example)
Standard Streaming$0.01/min (US East example)
Call Analytics (post-call)$0.03/min first 250K min; $0.0186 next 750K; $0.0138 next 4M
Generative call summarization$0.0024/min (Tier 1)
Content redaction$0.0024/min (Tier 1)
Siena AI
Platform fee$750/month
Automation Pack$0.90 per ticket automated
Support & ImplementationPricing on request
Strengths and limitations
Amazon Transcribe
- Free tier with 60 minutes a month for 12 months
- Billed per second with no minimum charge
- Volume tiers lower the per-minute cost at scale
- Features available in more than 100 languages
- Prices vary by region and the page gives some only as examples
- Redaction and custom language models are not in the free tier
- Requires an AWS account and some developer setup
Siena AI
- Integrates with six named helpdesks, including Zendesk, Gorgias and Intercom
- Published pricing: $750/month platform fee plus $0.90 per automated ticket
- Siena Docs is included in the plan at no extra cost
- Platform fee includes an unlimited sandbox
- No free plan or free trial is mentioned on the pricing page
- Support and implementation pricing is not published and must be requested
- Per-ticket charges come on top of the $750 monthly platform fee
- No mobile app is listed
More comparisons
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Facts from each vendor's public pages, prices checked Oct 26, 2026. Editorial policy