Lower starting price
AssemblyAI, Deepgram
$0.00 / monthLowest structured monthly starting price · tie
AI Orbit comparison
Deepgram vs AssemblyAI
Compare AssemblyAI vs Deepgram pricing, features, use cases and verified product data side by side.
AssemblyAI
Speech AI API platform for batch and real-time transcription, diarization, audio intelligence and LLM workflows.
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Deepgram
Enterprise voice AI platform for speech-to-text, text-to-speech and real-time voice-agent APIs with flexible deployment.
View profile View pricingComparison evidence snapshot
Factual coverage of this comparison. AI Orbit does not declare a universal winner because the better choice depends on workload and evidence.
Items compared2
Published AI tool profiles
Shared benchmarks0
No shared verified benchmark yet
Pricing coverage2 / 2
Products with structured pricing plans
Evidence freshnessOct 2026
Latest verified pricing or benchmark evidence
Research page: this pair is publicly available, but AI Orbit keeps it out of the search comparison library until duplicate ownership and editorial/verification checks are complete.
At-a-glance signals
Category-level facts from verified pricing, shared benchmarks and structured product data. These signals are not an overall ranking.
Free plan listed
AssemblyAI, Deepgram
2 productsStructured pricing includes a free option · tie
API access
AssemblyAI, Deepgram
2 productsVerified as available or limited API access · tie
Self-hosting
AssemblyAI, Deepgram
2 productsSelf-hosted or enterprise/private deployment support · tie
Comparison view
Hide rows where every selected item has the same displayed value.
Side-by-side comparison
Only useful comparison fields are shown. Missing data is never guessed or treated as zero.
| Metric | AssemblyAI | Deepgram |
|---|---|---|
| Provider | AssemblyAI | Deepgram |
| Category | Voice & Audio | Voice & Audio |
| Pricing model | FreeUsage-based | PaidUsage-based |
| Starting monthly price | $0.00 | $0.00 |
| Free plan | Yes | Yes |
| Platforms | API | API |
| API access | API available | API available |
| Open source | Proprietary | Proprietary |
| Self-hosting | Self-hosting supported | Enterprise / private deployment only |
| Deployment | APICloudSelf-hosted | APICloudPrivate CloudOn-PremisesSelf-hosted |
Data coverage: 10 comparison fields shown.
3 fields hidden because none of the selected items currently has reliable data.
If only one side is missing, it is labeled “No verified data yet”.
No differing rows are visible in this section.
Structured pricing plans
Current plan records stored in AI Orbit. Verify enterprise/custom terms with the provider.
AssemblyAIFresh
Freesubscription
$0.00/mo
Pay as you gousage
Speech-to-text starts around $0.21/hour; model/features vary
Universal-2 Pre-Recordedusage
$0.15/hour pay-as-you-go.
Universal-3.5 Pro Pre-Recordedusage
$0.21/hour pay-as-you-go.
Universal-3.5 Pro Realtimeusage
$0.45/hour pay-as-you-go.
DeepgramFresh
Pay As You Gousage
$0.00/mo
Aura-2 TTSusage
$0.030 per 1,000 characters pay-as-you-go.
Growthusage
Starts at $4,000/year in prepaid credits; up to about 20% savings.
Nova-3 Monolingual Pre-Recordedusage
$0.0043/minute pay-as-you-go.
Shared benchmark head-to-head
Only exact benchmarks with verified results for at least two selected items count toward win totals.
No exact shared benchmark yet
AI Orbit has not found a verified benchmark/version with results for at least two selected items, so no benchmark winner is declared.
Additional one-sided benchmark evidence 2
These verified results provide context but do not count as head-to-head wins because the other selected items do not have the same benchmark result.
AssemblyAICoval/Openbenchmarks Live STT — Average WER3.20 % WER
DeepgramArtificial Analysis TTS Provider Voice Arena Elo1,053.00 Elo
Capability differences
Shared capabilities are separated from capabilities currently cataloged on only one selected item.
Audio Understanding
Text to Speech
Use-case coverage
Structured use-case relationships only. Missing relationships are not interpreted as lack of capability.
ASSEMBLYAI
Distinct use-case matches
No unique structured use-case match is verified for this comparison yet.
DEEPGRAM
Distinct use-case matches
No unique structured use-case match is verified for this comparison yet.
Evidence & freshness
See how much verified benchmark/pricing evidence supports each profile and when it was last refreshed.
AssemblyAIFresh
- Verified benchmark results
- 1
- Benchmark evidence
- Aug 28, 2026
- Pricing evidence
- Oct 1, 2026
- Profile review
- Sep 26, 2026
DeepgramFresh
- Verified benchmark results
- 1
- Benchmark evidence
- Aug 28, 2026
- Pricing evidence
- Oct 1, 2026
- Profile review
- Sep 26, 2026
Evidence dates show the latest dated record available to AI Orbit; they do not imply that every field was re-verified on that date.