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AssemblyAI logo

AssemblyAI Pricing

assemblyai.com · Speech & Transcription · refreshed 2026-05-03
Speech & Transcription
Free tier
Self-serve checkout
2 tiers
Public API
AssemblyAI pricing page screenshot — https://www.assemblyai.com/pricing
Source · live pricing page on 2026-05-03

www.assemblyai.com/pricing

Open
Pricing snapshot
Pricing built for innovation, not contract negotiation — $0.21/hr, no contracts, no minimums, no credit card required
As of 2026-05-03 · derived from www.assemblyai.com/pricing
Per-unit pricing

$0.21/hr Universal-3 Pro STT; $0.15/hr Universal-Streaming; $4.50/hr Voice Agent

Free

$0

$50 credit, no credit card
Enterprise

Contact sales

Snapshot rendered from xpay's extracted pricing signals. Tier count capped at 5 (anti-slider). For the live page, see source link above.
Open live pricing pageSee agent-readiness analysis
AssemblyAI pricing plans
Plans & what each tier includes
Synthesized from AssemblyAI's public pricing page on 2026-05-03. Tier names normalized to a starter / team / business / enterprise pattern; the actual AssemblyAI pricing page is the source of truth for in-tier features.
Free
$0
forever

  • $50 credit, no credit card

  • Access to AssemblyAI's speech & transcription surface

  • Standard per-unit pricing applies once free quota is consumed

  • Full public API documentation available

Start free
Enterprise
Contact sales
custom

  • Custom pricing negotiated with the AssemblyAI sales team

  • Dedicated account manager and SLA commitments

  • Volume discounts on per-unit costs

  • Procurement-friendly: invoicing, NDAs, security questionnaires

Talk to sales
Pricing summary
What AssemblyAI charges

AssemblyAI operates in the speech & transcription space. The published pricing page lists 2 tiers, including a free tier, with per-unit pricing of $0.21/hr Universal-3 Pro STT; $0.15/hr Universal-Streaming; $4.50/hr Voice Agent. The pricing page positions plans as: "Pricing built for innovation, not contract negotiation — $0.21/hr, no contracts, no minimums, no credit card required".

For the deeper analysis — score, simulation, pros & cons for AI agents, and the one-line fix that would lift this listing into the Verified band — see the agent-readiness scorecard.
Frequently asked
AssemblyAI pricing FAQ

AssemblyAI offers a free tier ($50 credit, no credit card). Paid pricing is sales-led — the live pricing page does not list a self-serve paid plan as of 2026-05-03.

Yes — AssemblyAI publishes a free tier: $50 credit, no credit card. This makes it possible to evaluate AssemblyAI without committing budget.

AssemblyAI's public pricing page lists the following per-unit pricing: $0.21/hr Universal-3 Pro STT; $0.15/hr Universal-Streaming; $4.50/hr Voice Agent. This is the rate captured by xpay's Agent-Ready SaaS Index on 2026-05-03 and is the basis for the agent-readiness score on the linked scorecard.

AssemblyAI's pricing page positions itself as: "Pricing built for innovation, not contract negotiation — $0.21/hr, no contracts, no minimums, no credit card required". Per-unit pricing of $0.21/hr Universal-3 Pro STT; $0.15/hr Universal-Streaming; $4.50/hr Voice Agent is published. For the strict definition of agent-buyable PPU — a per-task purchase that an AI agent can complete without an annual commitment — see the agent-readiness scorecard.

Partially. 1 AssemblyAI tier is self-serve via card checkout; 1 tier requires contacting sales.

Yes — AssemblyAI's API documentation is publicly accessible at https://www.assemblyai.com/docs. An AI agent or developer can inspect the integration surface without authentication.

xpay scored AssemblyAI 74 / 100 on its Agent-Ready SaaS Index, which places it in the Approaching Agent-Ready band. Based on public pricing signals, xpay verified that AssemblyAI publishes per-hour rates across STT, streaming, voice agent, and per-hour speech-understanding add-ons, with a $50 no-credit-card starting balance and a fully public docs site. The pricing page itself behaves like an API rate card, which is unusually well-suited to autonomous agent procurement. For the full 6-step purchase simulation and the one-line fix that would lift this listing into the next band, see the linked scorecard.

In the Speech & Transcription category, xpay's Agent-Ready Index lists multiple alternatives ranked by their ability to support AI agent purchase. Visit the agent-readiness scorecard for AssemblyAI to compare with 3 nearest peers, or browse the full Speech & Transcription category from the index.

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Browse all Speech & Transcription pricing →
AI agent readiness
Can an AI agent buy from AssemblyAI?
Approaching Agent-Ready

74

/ 100 in xpay's Agent-Ready SaaS Index

Based on public pricing signals, xpay verified that AssemblyAI publishes per-hour rates across STT, streaming, voice agent, and per-hour speech-understanding add-ons, with a $50 no-credit-card startin…

See the full scorecardIncludes the 6-step agent purchase simulation, score breakdown across 7 dimensions, and the one-line fix that would lift AssemblyAI into the Agent-Ready Verified band.
Quick facts
At a glance
Free tier

$50 credit, no credit card


Lowest paid

Free


Per-unit pricing

$0.21/hr Universal-3 Pro STT; $0.15/hr Universal-Streaming; $4.50/hr Voice Agent


Self-serve checkout

1 tier


Tier count

2


Public API

Public docs

Peers in Speech & Transcription
Compare nearby

Soniox

soniox.com
86

ElevenLabs

elevenlabs.io
79

Deepgram

deepgram.com
77

Speechmatics

speechmatics.com
74

Symbl.ai

symbl.ai
74

AssemblyAI pricing summary derived from a live read of https://www.assemblyai.com/pricing on 2026-05-03. For the agent-readiness assessment — including the 6-step purchase simulation and a per-dimension scorecard — see xpay's Agent-Ready SaaS Index entry for AssemblyAI.
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