AssemblyAI vs Replicate: pricing, quotas & features (2026)
Best-in-class speech-to-text API — Universal models, 99 languages, low-latency streaming
vs. Run and fine-tune AI models in the cloud — pay-per-second GPU
Data sourced from vendor documentation · Last updated June 2026
Summary
AssemblyAI and Replicate are both ai-api platforms, addressing the same core use case with different implementation philosophies and trade-offs. Both offer a free tier, making it easy to prototype without a credit card. Both have 11 documented features in Staxly's catalog. The right choice depends on your existing stack, team experience, and feature requirements. All pricing and quota data below is sourced from AssemblyAI and Replicate's official documentation — not generated by AI or estimated.
AssemblyAI vs Replicate: Comparativa de precios, cuotas y características (2026)
En esta comparativa analizamos AssemblyAI y Replicate lado a lado — incluyendo precios mensuales, límites del tier gratuito, características técnicas, cuotas de uso (almacenamiento, transferencia, usuarios activos mensuales) y los interfaces de desarrollo disponibles. Todos los datos proceden de la documentación oficial de cada proveedor, no de respuestas generadas por IA.
AssemblyAI es una plataforma de la categoría ai-api — Best-in-class speech-to-text API — Universal models, 99 languages, low-latency streaming. Ofrece 3 tiers de precio: Free Credits gratuito, Pay-as-you-go gratuito, Enterprise (personalizado). Su catálogo en Staxly documenta 11 características y 7 interfazes para desarrolladores.
Replicate pertenece a la categoría ai-api — Run and fine-tune AI models in the cloud — pay-per-second GPU. Ofrece 2 tiers de precio: Pay-as-you-go gratuito, Enterprise (personalizado). Su catálogo documenta 11 características y 7 interfazes para desarrolladores.
A continuación encontrarás los tiers de precio completos de ambas plataformas, una matriz de cuotas del tier gratuito (transferencia, almacenamiento, MAU, llamadas a la API y otros límites), el listado completo de características y los interfaces (CLI, SDKs, REST, GraphQL, MCP) disponibles para integrar cada servicio.
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Pricing tiers
AssemblyAI
Replicate
Free-tier quotas head-to-head
Comparing free-trial on AssemblyAI vs payg on Replicate.
| Metric | AssemblyAI | Replicate |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
AssemblyAI · 11 features
- Advanced Prompting — Streaming with disfluency + code-switching + realtime diarization.
- Audio Intelligence — Sentiment, topic detection, summarization, entity detection, content safety, IAB…
- Auto Punctuation — Smart capitalization + punctuation.
- Keyterm Prompting — Boost accuracy for domain vocabulary.
- LeMUR (LLM framework) — Run LLMs over transcripts: Q&A, summary, action items.
- Medical Mode — Specialized for clinical + medical vocabulary.
- PII Redaction — Auto-redact credit cards, SSNs, addresses, emails.
- Pre-recorded Transcription — Upload audio/video URL or file → transcript.
- Realtime Streaming — WebSocket-based low-latency STT.
- Speaker Diarization — Identify who spoke when.
- Webhooks — Auto-notify when transcription finishes.
Replicate · 11 features
- 10k+ Models — Public catalog of image, video, audio, LLM, embedding, speech models.
- Batch Predictions — Parallel batch execution.
- Cog — OSS tool to containerize ML models. Standard for Replicate.
- Deployments — Private model endpoints with dedicated GPUs.
- File Storage — Temporary output file hosting.
- Fine-Tuning — Fine-tune FLUX, SDXL, Llama 2/3 with your data.
- Per-Second Billing — Pay only while model runs. No idle cost for public models.
- Playground — Interactive UI for every public model.
- Predictions API — Async + sync + streaming predictions.
- Streaming Outputs — SSE streaming for LLMs + audio.
- Webhooks — Notify when predictions complete.
Developer interfaces
| Kind | AssemblyAI | Replicate |
|---|---|---|
| CLI | — | Cog (package models) |
| SDK | assemblyai (Node), assemblyai (Python), assemblyai (Ruby), assemblyai-go | replicate (Node), replicate-go, replicate-python |
| REST | AssemblyAI REST API | Replicate REST API |
| MCP | — | Replicate MCP |
| OTHER | Streaming WebSocket, Webhooks | Webhooks |
Key takeaways
- Both AssemblyAI and Replicate offer a free tier — AssemblyAI ("Free Credits") and Replicate ("Pay-as-you-go") — with no credit card required to start.
- Both platforms have 11 documented features in Staxly's catalog.
- Developer integrations differ: only Replicate offers CLI/MCP.
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