AssemblyAI
Transcription plus summarisation, topic detection and speaker labels for developers.
Full AssemblyAI record →Head to head
AssemblyAI vs Suno
AssemblyAI (AssemblyAI) and Suno (Suno) both sit in Audio. AssemblyAI is the cheaper entry point at Free tier with $50 free credits, then pay-as-you-go starting at $0.15/hr for pre-recorded STT (Universal-2). Suno shipped more tracked changes in the last 30 days (6 vs 5). Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | AssemblyAI AssemblyAI | Suno Suno |
|---|---|---|
| Segment | Audio | Audio |
| Version | Universal-3.5 Pro | v6 |
| Entry cost | Free tier with $50 free credits, then pay-as-you-go starting at $0.15/hr for pre-recorded STT (Universal-2) | Free tier · from $10/mo |
| Pricing tiers | Free Credits free | Free Plan free · Pro Plan $10 · Premier Plan $30 |
| Model stack | Claude · Claude 4.6 Sonnet · Claude 4.8 Opus · Gemini 2.5 Pro · Gemini 3.5 Flash · GPT-5.5 · Qwen3 Next 80B A3B · u3-rt-pro · Universal-2 · universal-3-pro · Universal-3.5 Pro · Universal-3.5 Pro Realtime · Universal-Streaming English · Universal-Streaming Multilingual | Bark · Chirp · Suno v5 · v4 · v4.5-all · v4.5+ · v5 · v5.0 · v5.5 · v6 · v6-mini · v6-wild |
| Context window | n/a | n/a |
| Public API | ||
| Routes models | ||
| Changes / 30d | 5 | 6 |
| Origin | Global | Global |
| Capabilities | Speaker diarization, Summarisation, Topic detection, PII redaction, LeMUR framework, Pre-recorded STT, Real-time STT, Voice Agent API | Full song generation, Custom lyrics, Personas, Stem separation, Cover and extend, AI music generator, Suno Studio (generative DAW), Audio uploads (up to 30 mins) |
Suno
Generates vocals, lyrics and instrumentation into complete tracks.
Full Suno record →