Somnus: a desktop AI agent with 50+ models in one workspace.
Somnus is a desktop app for Windows and Linux that lets you work with Claude, GPT, Gemini, DeepSeek, Grok, Qwen, Kimi, GLM and more from one workspace and one prepaid balance. Mac is on the way.
No subscription is required. Top up from $5 and every top-up is doubled into usage credit. Prepaid credit does not expire.
The same account works from your terminal and OpenAI-compatible tools through the Somnus gateway at somnus.world.
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.