Staxly

AssemblyAI vs Groq: pricing, quotas & features (2025)

Best-in-class speech-to-text API — Universal models, 99 languages, low-latency streaming
vs. Fastest LLM inference — LPU-powered (300-1000+ tokens/sec)

Data sourced from vendor documentation · Last updated May 2026

AssemblyAI website ↗Groq website ↗

Summary

AssemblyAI and Groq 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. AssemblyAI has a broader documented feature set (11 vs 7 features). The right choice depends on your existing stack, team experience, and feature requirements. All pricing and quota data below is sourced from AssemblyAI and Groq's official documentation — not generated by AI or estimated.

AssemblyAI vs Groq: Comparativa de precios, cuotas y características (2025)

En esta comparativa analizamos AssemblyAI y Groq 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.

Groq pertenece a la categoría ai-api — Fastest LLM inference — LPU-powered (300-1000+ tokens/sec). Ofrece 4 tiers de precio: Free Tier gratuito, On-Demand (paid) gratuito, Developer Tier gratuito, Enterprise (personalizado). Su catálogo documenta 7 características y 3 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.

¿Necesitas estos datos en tu agente de IA (Claude Code, Cursor, Zed)? Instala gratis el servidor MCP de Staxly y tendrás acceso estructurado a AssemblyAI, Groq y más de 130 plataformas para desarrolladores.

Pricing tiers

AssemblyAI

Free Credits
$50 in free credits on signup. Full API access.
Free
Pay-as-you-go
Per-hour billing by model. No minimum.
$0 base (usage-based)
Enterprise
Custom contracts. SLA, private deployments, BAA.
Custom
AssemblyAI website ↗

Groq

Free Tier
Generous free RPM / TPM by model. Great for dev + small apps.
Free
On-Demand (paid)
Pay-as-you-go per token. OpenAI-compatible API, no infrastructure to manage.
$0 base (usage-based)
Developer Tier
Higher rate limits for production apps.
$0 base (usage-based)
Enterprise
Custom. Dedicated capacity, SLA, on-prem option.
Custom
Groq website ↗

Free-tier quotas head-to-head

Comparing free-trial on AssemblyAI vs free-tier on Groq.

MetricAssemblyAIGroq
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.

Groq · 7 features

  • Audio Transcription — Whisper endpoint.
  • Batch API — 50% discount.
  • Chat Completions (OpenAI-compat) — Standard /v1/chat/completions endpoint.
  • Function Calling
  • JSON Mode — Enforce JSON output format.
  • Prompt Caching — 50% discount on cached input.
  • Streaming — SSE streaming for chat.

Developer interfaces

KindAssemblyAIGroq
SDKassemblyai (Node), assemblyai (Python), assemblyai (Ruby), assemblyai-gogroq-python, groq-sdk (Node)
RESTAssemblyAI REST APIGroq API (OpenAI-compat)
OTHERStreaming WebSocket, Webhooks—

Key takeaways

  • Both AssemblyAI and Groq offer a free tier — AssemblyAI ("Free Credits") and Groq ("Free Tier") — with no credit card required to start.
  • AssemblyAI has a broader documented feature set (11 features) vs. Groq (7 features) in Staxly's catalog.
  • Developer integrations differ: only AssemblyAI offers OTHER.
Staxly is an independent catalog of developer platforms. Some links to AssemblyAI and Groq may be affiliate links — Staxly may earn a commission if you sign up through them, at no extra cost to you. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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