Hasura vs AssemblyAI
Instant GraphQL + REST on your data sources — with permissions
vs. Best-in-class speech-to-text API — Universal models, 99 languages, low-latency streaming
Pricing tiers
Hasura
OSS (Community)
Free forever (Apache-2.0). Self-host GraphQL Engine v2.
$0 base (usage-based)
Cloud Free
$0. 1 project. 60 req/min. Community support.
Free
Professional
$99/mo (starts). Usage-based compute + data pass-through. Production SLAs.
$99/mo
Advanced
Custom. Multi-region, dedicated, observability, SSO.
Custom
Enterprise
Custom. On-prem / air-gap / advanced security.
Custom
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
Free-tier quotas head-to-head
Comparing free on Hasura vs free-trial on AssemblyAI.
| Metric | Hasura | AssemblyAI |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
Hasura · 14 features
- Actions — Custom resolvers via HTTP.
- Data Connector Hub — Build connectors to any source.
- Event Triggers — DB changes → webhook.
- GraphQL API — Auto GraphQL over relational + NoSQL.
- Hasura DDN (v3) — Multi-source supergraph with OpenDD.
- JWT Auth — Pluggable JWT verification.
- Metadata Migrations — Git-versioned Hasura config.
- Permissions — Row + column + session-based.
- Query Caching — Edge caching with cache-control directive.
- Remote Schemas — Merge external GraphQL into supergraph.
- REST Endpoints — Turn any GraphQL op into REST.
- Scheduled Triggers — Cron + one-off webhook triggers.
- Subscriptions — Live queries via WS.
- Webhook Auth — Custom auth via webhook.
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.
Developer interfaces
| Kind | Hasura | AssemblyAI |
|---|---|---|
| CLI | ddn CLI (v3), hasura CLI | — |
| SDK | — | assemblyai-go, assemblyai (Node), assemblyai (Python), assemblyai (Ruby) |
| REST | Hasura REST Endpoints, Metadata API | AssemblyAI REST API |
| GRAPHQL | Hasura GraphQL Engine | — |
| OTHER | Data Connectors, Hasura Console | Streaming WebSocket, Webhooks |
Staxly is an independent catalog of developer platforms. Outbound links to Hasura and AssemblyAI are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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