Subscription Plans
Choose the plan that fits your scale.| Feature | Starter | Pro (Popular) | Enterprise |
|---|---|---|---|
| Monthly Cost | $0 | $79 | Custom |
| Included Credits | $0 | $50 / mo | Custom |
| Platform Fee | $0.02 / min | $0.0125 / min | Volume Discounts |
| Concurrent Calls | 5 | 25 | Custom |
| Knowledge Base | 20 Pages | 50 Pages | Custom |
| Retention | 30 Days | 90 Days | Custom |
| Support | Priority (24hr) | Dedicated Account Mgr |
Pro Plan Savings: The Pro plan lowers the platform fee from 0.0125 per minute. If you process over 10,500 minutes per month, the savings on the platform fee alone pay for the subscription.
Provider Costs (Pass-through)
We pass through the costs from AI providers directly to you with zero markup. You can mix and match providers to optimize for cost or quality.Language Models (LLM)
| Provider | Model | Cost (Input / Output) | Est. Cost / 1k Min |
|---|---|---|---|
| OpenAI | GPT-4o | 10.00 per 1M tokens | ~$10.00 |
| Anthropic | Claude Sonnet 4 | 15.00 per 1M tokens | ~$15.00 |
| OpenAI | GPT-4o Mini | 0.60 per 1M tokens | ~$0.60 |
| Gemini 2.5 Flash | 2.50 per 1M tokens | ~$1.20 |
Text-to-Speech (TTS)
| Provider | Voice Model | Cost | Est. Cost / 1k Min |
|---|---|---|---|
| ElevenLabs | Turbo v2 | $0.12 / 1k chars | ~$10.80 |
| Cartesia | Sonic | $0.04 / 1k chars | ~$3.60 |
| Deepgram | Aura | $0.015 / 1k chars | ~$1.35 |
| OpenAI | TTS | $0.015 / 1k chars | ~$1.35 |
Speech-to-Text (STT)
| Provider | Model | Cost / Min | Est. Cost / 1k Min |
|---|---|---|---|
| Deepgram | Nova-2 | $0.0059 | $5.90 |
| Deepgram | Base | $0.0043 | $4.30 |
| AssemblyAI | Nano | $0.0034 | $3.40 |
Example Cost Calculation
Scenario: You are on the Starter Plan and handle 1,000 minutes of calls using a “Balanced” stack.- Stack: GPT-4o Mini + Deepgram Aura + Deepgram Nova-2
- Provider Cost: ~1.35 (TTS) + 7.85**
- Platform Fee: 1,000 min * 20.00**
- Total Monthly Cost: $27.85
Billing and Payments
Butter AI uses Dodo Payments as our secure payment provider to handle all transactions.How Credits Work (/api/billing/credits/purchase)
- $1 = 1,000 Credits: Simple conversion rate. You purchase credits that are drawn down as you use the platform.
- Buy Anytime: Top up your balance whenever you need via the billing dashboard. The purchase flow creates a one-time Dodo checkout session.
- All Plans: Starter, Pro, and Enterprise users can purchase credits at any time.
Subscribing to Pro (/api/billing/subscribe)
Upgrading to the Pro plan creates a recurring subscription via Dodo Payments.
- Cost: $79.00/month.
- Benefits: Unlocks the 50 of included credits each month.
- Flow: Initiating an upgrade routes you to a Dodo checkout session to securely set up your recurring payment.
Customer Portal (/api/billing/portal)
Manage your payment methods and subscriptions easily:
- Access: All paying users can access the Dodo Customer Portal.
- Capabilities: Update your payment method, view and download past invoices, and cancel your active subscription directly from the portal.