Somnus pricing.
Pay as you go: top up from $5. Every top-up is doubled, and larger top-ups receive a bigger bonus.
Dreamcaster Enterprise: for teams and heavy users — custom volume pricing, shared team budgets, priority support and invoicing. Talk to us at somnus.world/enterprise.
Model prices per 1M tokens
| Model | Maker | List input / output | Effective with doubled credit |
|---|---|---|---|
| Claude Fable 5.1 | Anthropic | $10 / $50 | $5 / $25 |
| Claude Opus 5.5 | Anthropic | $4 / $20 | $2 / $10 |
| Claude Opus 5 | Anthropic | $5 / $25 | $2.5 / $12.5 |
| Claude Sonnet 5.5 | Anthropic | $2 / $10 | $1 / $5 |
| Claude Sonnet 5 | Anthropic | $2 / $10 | $1 / $5 |
| Claude Haiku 5.5 | Anthropic | $0.1 / $0.5 | $0.05 / $0.25 (up to 100K-token prompts) |
| Claude Haiku 4.5 | Anthropic | $1 / $5 | $0.5 / $2.5 |
| GPT-6 Astra | OpenAI | $10 / $50 | $5 / $25 |
| GPT-6.1 Sol | OpenAI | $2 / $10 | $1 / $5 |
| GPT-6 Sol | OpenAI | $2 / $10 | $1 / $5 |
| GPT-6 Luna | OpenAI | $0.1 / $0.5 | $0.05 / $0.25 |
| GPT-5.6 Sol | OpenAI | $5 / $30 | $2.5 / $15 |
| GPT-5.6 Luna | OpenAI | $1 / $6 | $0.5 / $3 |
| Gemini 4 Argon | $2 / $10 | $1 / $5 (introductory price) | |
| Gemini 3.1 Pro | $2 / $12 | $1 / $6 | |
| Gemini 3.8 Flash | $0.75 / $3.75 | $0.375 / $1.875 | |
| Grok 4.7 | xAI | $2 / $6 | $1 / $3 |
| DeepSeek V4.1 Flash | DeepSeek | $0.15 / $0.6 | $0.075 / $0.3 |
| DeepSeek V4 Pro | DeepSeek | $0.66 / $1.98 | $0.33 / $0.99 |
| DeepSeek V4 Flash | DeepSeek | $0.22 / $0.66 | $0.11 / $0.33 |
| Kimi K3 | Moonshot | $3 / $15 | $1.5 / $7.5 |
| GLM 5.3 | Zhipu | $1.4 / $4.4 | $0.7 / $2.2 |
| Qwen 3.8 Max | Alibaba | $1.65 / $4.95 | $0.825 / $2.475 |
Questions
How do I get the free credit?
Create an account, confirm your email, then verify and save a credit or debit card with Stripe in Billing to unlock $10 free API credit. No charge, subscription, or automatic top-ups. Your bank may show a temporary verification hold. The offer is one-time per new account and card; existing promo offers keep their original terms.
Do bigger top-ups get more?
Yes. Every top-up is doubled, and larger ones get a bonus on top: 2.2× from $50, 2.35× from $100 and 2.5× from $200.
How is it cheaper?
Every paid top-up is credited at 2× or more, so each dollar you pay buys at least two dollars of usage at our listed model rates.
Which models can I use?
Claude, GPT, Gemini, Grok, DeepSeek, Qwen, Kimi, GLM and more. The catalogue updates from the gateway.
Can I use it from my terminal?
Yes. Your Somnus key works with OpenAI-compatible tools and scripts using the Somnus gateway URL.
Which platforms?
Windows and Linux now. Mac is on the way.
How do I sign in to the app?
Click sign in in the app, your browser opens somnus.world, and the app connects itself. No codes to copy.
Is there a subscription?
No subscription is required. Top up when you want and your prepaid credit does not expire.
What is Dreamcaster?
Dreamcaster Enterprise is our tier for teams and heavy users: custom volume pricing, shared team budgets, priority support and invoicing, arranged directly with us. Use the Talk to us form at somnus.world/enterprise or email reply@somnus.world. Pay-as-you-go top-ups remain available from $5.
What is Somnus built on?
The desktop app is based on Hermes Agent by Nous Research under the MIT License, with an original Somnus identity and service.