Two transcription plans. No pricing maze.
Fast and Standard are the only shipped transcription tiers. Word-level timestamps are included on both, and volume pricing above 1,000 audio-hours per month is handled by contacting us.
Fast or Standard.
Choose Fast for English audio or Standard for multilingual transcription. Rates are fixed per audio-hour and snapshotted when work is claimed.
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| Plan | Production route | Language scope | Included | Client price | Worker share | Status |
|---|---|---|---|---|---|---|
| Fastlowest latency | parakeet-tdt-0.6b-v2 |
English | Word-level timestamps | $0.05 / audio-hour | $0.025 / audio-hour | Available |
| Standardmultilingual · default fallback | whisper-large-v3-turbo-q4 |
Multilingual | Word-level timestamps | $0.10 / audio-hour | $0.05 / audio-hour | Available |
Planned model routes.
Embeddings, image generation, and async text generation are not available today. Pricing shown is a non-binding estimate for planning only.
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| Planned route & model Planning est. · non-binding | OpenAI | Acorn planning est. | Status |
|---|---|---|---|
| bge-large-en-v1.5Planned · POST /v1/embeddings · retrieval / RAG | $0.020 / M tok | $0.012 / M tok | Not available |
| gte-largePlanned · POST /v1/embeddings · multilingual | — | $0.014 / M tok | Not available |
| flux.1-schnellPlanned · POST /v1/images/generations · 1024×1024 | — | $0.004 / image | Not available |
| flux.1-devPlanned · POST /v1/images/generations · 1024×1024 | — | $0.012 / image | Not available |
| sdxl-turboPlanned · POST /v1/images/generations · 1024×1024 · fastest | — | $0.0012 / image | Not available |
| llama-3.1-70b-instructPlanned · POST /v1/chat/completions · async batch | $0.40 / M in · $0.40 / M out | $0.10 / M in · $0.14 / M out | Not available |
| qwen-2.5-32b-instructPlanned · POST /v1/chat/completions · async batch | — | $0.05 / M in · $0.08 / M out | Not available |
| mistral-small-3Planned · POST /v1/chat/completions · async batch | — | $0.03 / M in · $0.06 / M out | Not available |
| byo-mlxPlanned · POST /v1/batch · bring your own checkpoint | — | talk to us | Planned · Q4 |
Bring-your-own MLX checkpoint path POST /v1/batch is planned, not available. Contact us if you need an early checkpoint evaluation.
Pilot terms, confirmed before use.
Published model rates are usage estimates for the operator-reviewed pilot. Support, capacity, discounts, and service commitments are agreed during onboarding and are not automatic spend-tier entitlements.
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| Tier | Availability | Pricing | Includes |
|---|---|---|---|
| Pilotevaluation allowance included with approved access | Approved evaluations | Written offer | Email support · community Discord |
| Buildpilot usage | Approved pilot accounts | Published model rates | Email support · usage dashboard · signed webhooks |
| Scalesubject to an agreed pilot order | By written agreement | Contact us | Capacity and support terms confirmed in writing |
| Enterprisetalk to us · custom terms require review | By written agreement | Contact us | Security, legal, capacity, and billing review |
Every account, every tier.
Security documentation.
Review the published security model and discuss any additional diligence requirements before sending production or regulated workloads.
Current deployment scope.
The hosted pilot currently uses a single US region for the Acorn service. Region pinning and data-residency guarantees are not available.
Signed webhooks.
HMAC-SHA256 over timestamp and raw body. Replayable for 30 days. At-least-once with exponential backoff and a dead-letter queue.
Billing, on the record.
How is usage billed?
Published transcription rates are per minute of audio. Planned route estimates use the units shown in their table but are not offers for unavailable services. Pilot allowances, metering, and invoicing terms are confirmed in writing during onboarding.
What about failed jobs?
We don't bill for failures we caused (worker crash, model load error, dispatch timeout). The billed: false flag on the error response is authoritative. Failures caused by malformed input (4xx) are billed at the duration of compute consumed.
Do you bill for the OpenAI-compatible streaming endpoints?
We don't ship streaming endpoints. Streaming is a chat-UI pattern; Acorn is for async batch work. If your code calls stream=true, we'll return a non-streaming response with the full result at the end. Bill is the same.
Annual contract option?
Not as a standard self-serve option during the pilot. Contact us to discuss billing requirements; any annual terms must be confirmed in a signed order.
What currency? Do you collect VAT / GST?
Published rates are in USD. Currency, invoicing, and applicable tax handling must be confirmed during onboarding before paid use.
How do I get access?
Request pilot access and tell us what you're building and your expected volume. We review requests manually and email API credentials once the account is approved — there's no self-serve key issuance during the pilot. Approved pilots get an evaluation allowance to cover integration work before you commit to paid usage.
The right number is the one you don't have to guess.
Request pilot access and tell us your expected volume. We review requests manually and email credentials on approval — the evaluation allowance covers most integration work before you commit.