Staxly

Deepgram vs Convex

Enterprise-grade speech-to-text + voice agents — Nova + Flux + Aura TTS
vs. The reactive database where queries are TypeScript code

Deepgram websiteConvex website

Pricing tiers

Deepgram

Pay-as-you-go
$200 free credit. No minimums, no expiration.
$0 base (usage-based)
Growth
Starting $4K+/year prepay. Up to 20% savings.
$4000/mo
Enterprise
Custom. Data residency, dedicated support, on-prem option.
Custom
Deepgram website

Convex

Starter (Free)
Free with overage via usage-based billing. Great for prototypes.
Free
Professional
$25/developer/month. Overage: $2/M function calls. Daily backups, email support, custom domains.
$25/mo
Business / Enterprise
From $2,500/month. SAML/SSO, SLA, dedicated deployments, Slack Connect support.
$2500/mo
Convex website

Free-tier quotas head-to-head

Comparing payg on Deepgram vs starter on Convex.

MetricDeepgramConvex
db storage gb0.5 GB
deployments40 deployments
egress gb month1 GB/month
file storage gb1 GB
function calls month1000000 calls/month
team members6 users

Features

Deepgram · 15 features

  • Aura TTSLow-latency text-to-speech (<250ms).
  • Data ResidencyEU / US / custom regions.
  • DiarizationSpeaker identification.
  • Intent DetectionDetect speaker intents automatically.
  • Keyterm PromptingBoost accuracy for proper nouns + domain terms.
  • Language DetectionAuto-detect spoken language.
  • On-Prem DeploymentEnterprise: run Deepgram in your infra.
  • PII RedactionAuto-redact sensitive info.
  • Pre-recorded STTTranscribe audio/video files.
  • Sentiment AnalysisPer-segment sentiment scores.
  • Smart FormatNumbers, dates, times auto-formatted.
  • Streaming STTRealtime WebSocket-based transcription.
  • SummarizationAutomatic transcript summaries.
  • Topic DetectionAuto-extract conversation topics.
  • Voice Agent APIUnified STT + LLM + TTS for voice bots.

Convex · 18 features

  • ActionsNon-deterministic functions for external I/O (fetch, AI APIs, email). Cannot rea
  • AuthenticationConvex Auth (built-in) or BYO provider (Clerk, Auth0, Kinde, WorkOS). ID tokens
  • Convex AgentsAI agent framework with durable memory, threads, tool use. Works with OpenAI / A
  • Convex AuthFirst-party auth library: passwords, magic links, OAuth, phone — stored in your
  • Convex ComponentsReusable backend modules (rate limiter, workflow, aggregate, action-retrier, etc
  • Cron JobsRecurring schedules defined in convex/crons.ts. UTC, cron-style patterns.
  • Durable WorkflowsLong-running multi-step workflows with retries and at-least-once guarantees.
  • Exception ReportingAuto-capture errors to Sentry, Axiom, Datadog.
  • File StorageUpload/download via storage API. Returns storage IDs referenced in documents.
  • Full-Text SearchBM25 search index on table fields. withSearchIndex query helper.
  • HTTP ActionsExpose public HTTP endpoints for webhooks, OAuth callbacks, third-party integrat
  • Log StreamsStream function logs to Axiom, Datadog, Sentry. Pro+.
  • MutationsTransactional write functions. All reads + writes in one mutation are ACID; conf
  • Preview DeploymentsEvery Git branch gets its own isolated deployment. Integrates with Vercel/Netlif
  • QueriesDeterministic read-only TS functions. Automatically cached and re-run when under
  • Real-Time SubscriptionsuseQuery auto-subscribes; server invalidates when data a query read changes. No
  • Schedulerschedule.after / schedule.at — enqueue functions to run later. Durable, survives
  • Vector SearchNative vector index on tables. withIndex + filter fields. Up to 4096 dims.

Developer interfaces

KindDeepgramConvex
CLIConvex CLI
SDKdeepgram-dotnet-sdk, deepgram-go-sdk, deepgram-rust-sdk, @deepgram/sdk (Node), deepgram-sdk (Python)Android / Kotlin Client, iOS / Swift Client, JavaScript/TypeScript Client, Next.js Integration, Python Client, React Client (useQuery), Rust Client, Svelte Client, Vue Client
RESTDeepgram REST APIDeploy / Dashboard API, HTTP Actions
OTHERStreaming WebSocket, Voice Agent APIWebSocket Subscriptions
Staxly is an independent catalog of developer platforms. Outbound links to Deepgram and Convex are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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