AssemblyAI vs OpenRouter Pricing (2026)
How do these two stack up on price? Here's what each one costs, what you get, and where the value sits.
| AssemblyAI | OpenRouter | |
|---|---|---|
| Starts at | Custom | Custom |
| Number of plans | 2 | 3 |
| Free plan | ||
| Free trial | — | |
| Pricing model | usage-based | usage-based |
Pay as you go
- Universal-3.5 Pro ($0.21/hr)
- Universal-2 ($0.15/hr)
- Universal-3.5 Pro Realtime ($0.45/hr)
- Universal-Streaming ($0.15/hr)
- Universal-Streaming Multilingual ($0.15/hr)
- Sync API ($0.45/hr)
- Voice Agent API ($4.50/hr)
- Speaker Diarization ($0.02/hr pre-recorded, $0.12/hr realtime)
- Medical Mode ($0.15/hr)
- Keyterms Prompting
- Prompting ($0.05/hr)
- Speaker Identification ($0.02/hr)
- Translation ($0.06/hr)
- Custom Formatting ($0.03/hr)
- Entity Detection ($0.08/hr)
- Sentiment Analysis ($0.02/hr)
- Auto Chapters ($0.08/hr)
- Key Phrases ($0.01/hr)
- Topic Detection ($0.15/hr)
- Summarization ($0.03/hr)
- Profanity Filtering ($0.01/hr)
- PII Audio Redaction ($0.05/hr)
- PII Text Redaction ($0.08/hr)
- Content Moderation ($0.15/hr)
- LLM Gateway
- No minimum commitments
- No credit card required to start
Custom
- Custom rate limits
- Enhanced concurrency
- Enterprise-grade flexibility
- Volume-based pricing
- Custom starting concurrency limits
Free
- Chat and API Access
- Activity Logs & Export
Pay-as-you-go
Popular- Chat and API Access
- Activity Logs & Export
- Auto-routing, preferred vendor selections
- Budgets & Spend Controls
- Prompt Caching
- Management API key
Enterprise
- Chat and API Access
- Activity Logs & Export
- Auto-routing, preferred vendor selections
- Budgets & Spend Controls
- Prompt Caching
- Management API key
AssemblyAI vs OpenRouter FAQ
- Which one is cheaper?
- One or both use custom pricing, so it depends on your specific needs.
- Can I use either one for free?
- Both offer free plans, so you can try each without paying. Start with whichever fits your workflow better and upgrade when you hit the limits.
- How do they charge?
- Both use a usage-based model, so the comparison is straightforward — it comes down to features and limits at each price point.
- Which one is a better deal?
- Depends on what you need. AssemblyAI: They're positioning as the developer-friendly, API-first alternative to Deepgram and Rev AI — competitive on price at scale but differentiated by the breadth of AI features (LLM Gateway, multichannel, etc.). The AWS Marketplace listing signals they're actively chasing enterprise procurement budgets. OpenRouter: OpenRouter isn't competing on being cheaper than OpenAI or Anthropic directly — it's selling convenience (one API, many models) and charging a toll for that abstraction. In the LLM-gateway space they're positioned as the accessible, no-commitment default, while Enterprise deals are where they compete with direct vendor relationships on price.
Keep tabs on both.
We'll monitor pricing changes for AssemblyAI and OpenRouter and let you know when something moves.