OpenAI-compatible API gateway for developers and startups. Same interface, fraction of the cost. One line change in your code.
Built for developers who want reliable AI without vendor lock-in or insane bills.
Fully OpenAI-compatible API. Change base_url and api_key — that's it. Works with any OpenAI SDK or library.
Real-time dashboard with per-key usage tracking. Set budget caps, monitor token consumption, and never get surprised by bills.
Create unlimited API keys for different projects, environments, or team members. Revoke any key instantly from the dashboard.
Automatic per-plan rate limiting with Redis. No abuse, no surprise costs. Smart caching reduces duplicate API calls.
We never log your prompt content. Only token counts and metadata. Your data passes through — it doesn't stay.
Pro and Team plans include shared billing, team management, and higher limits. Scale from solo dev to startup.
Running on DeepSeek's latest infrastructure with competitive pricing.
| Model | Input / 1M | Output / 1M | Context | Best for |
|---|---|---|---|---|
| fast deepseek-v4-flash | $0.14 | $0.28 | 128K | Chat, drafts, quick tasks |
| smart deepseek-v4-pro | $0.44 | $0.87 | 128K | Code, analysis, reasoning |
No credit card required. $10 free credit on signup.
Sign up with email. Get $10 free credit instantly.
Generate your key from the dashboard. One click.
Swap base_url to api.costllm.ai in your code.
Track usage, monitor costs, scale as you grow.
Pay only for what you use. No hidden fees. Upgrade anytime.
Join developers who switched from direct API providers and saved 80%+ on their AI bills.
Start Building Free