Weights & Biases vs AssemblyAI Pricing (2026)
How do these two stack up on price? Here's what each one costs, what you get, and where the value sits.
| Weights & Biases | AssemblyAI | |
|---|---|---|
| Starts at | $60/mo | Custom |
| Number of plans | 5 | 2 |
| Free plan | ||
| Free trial | ||
| Pricing model | hybrid | usage-based |
Free
- AI application evaluations
- AI application tracing
- AI application scorers
- AI model experiment tracking
- AI assets registry & lineage tracking
- Community Support
Pro
- Unlimited teams for collaboration
- Team-based access controls
- Service Accounts
- Priority email & chat support
- CI/CD automations
- Slack and email alerts
Enterprise
- Single tenant option with choice of region
- HIPAA compliant option
- Secure private connectivity
- Customer-managed encryption key
- Single Sign On
- Automated user provisioning
- Custom roles
- Audit logs
- Enterprise support package
Personal
- 1 user seat
- Experiment tracking
- Registry & lineage tracking
- Run a W&B server locally on any machine with Docker and Python installed
- For personal projects only. Corporate use is not allowed.
Advanced Enterprise
- Flexible deployment options
- HIPAA compliant option
- Secure private connectivity
- Customer-managed encryption key
- Single Sign On
- Automated user provisioning
- Custom roles
- Audit logs
- Enterprise support package
- Run a W&B server locally on your own infrastructure with a free enterprise trial license
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
Weights & Biases vs AssemblyAI 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?
- Different approach here. Weights & Biases uses hybrid pricing, while AssemblyAI goes with usage-based. That changes the math depending on your team size and usage.
- Which one is a better deal?
- Depends on what you need. Weights & Biases: At $60/mo for Pro, they're accessible for indie teams and startups, but the real competition is MLflow (open-source, self-hosted, free) and Comet ML — W&B is positioning as the polished, cloud-native option worth paying for when you're tired of maintaining your own infra. They're mid-market on price but premium on brand within the MLOps space. 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.
Keep tabs on both.
We'll monitor pricing changes for Weights & Biases and AssemblyAI and let you know when something moves.