One API, All Models
Access OpenAI, Anthropic, Google, and more through a single OpenAI-compatible endpoint. Zero markup on inference costs.
~/modelmax $ curl https://api.modelmax.io/v1/chat/completions \ -H "Content-Type: application/json" \ -H "Authorization: Bearer sk-..." \ -d '{
"model": "gpt-4o",
"messages": [{"role": "user", "content": "Hello!"}]
}'~/modelmax $ curl -X POST https://api.modelmax.io/v1/queue/veo-2.0-high \ -H "Content-Type: application/json" \ -H "Authorization: Bearer sk-..." \ -d '{
"prompt": "A cinematic shot of a futuristic city...",
"webhook_url": "https://your-domain.com/webhook"
}'Why ModelMax?
Built for developers who want simplicity, reliability, and transparent pricing.
Powerful Model Fleet
Access the world's leading foundation models through a single OpenAI-compatible API. No separate accounts, no per-provider SDKs.
25+
Models
5
Providers
4
Capabilities
1
API Key
Gemini + Embedding
Google's most capable models, excelling at complex reasoning, deep multimodal understanding, and high-quality semantic embeddings.
Google Veo
State-of-the-art cinematic video generation with synchronized speech, sound effects, and prompt fidelity.
Kimi
Moonshot's extended thinking model with deep chain-of-thought reasoning and unparalleled long context capabilities.
MiniMax
Frontier large language model with strong reasoning, creativity, and highly consistent instruction-following.
DeepSeek
Top-tier open-source reasoning model with remarkable performance on STEM, coding, and mathematical benchmarks.
Qwen
Alibaba's robust MoE model excelling at code generation, logic, and comprehensive multilingual capabilities.
Frequently Asked Questions
Everything you need to know about the product and billing.
Is ModelMax truly a zero-markup platform?
Yes. You pay exactly the inference costs defined by the model providers. We do not add any markup or hidden fees to the per-token pricing.
Do I need to manage separate accounts for each provider?
No. With ModelMax, you only need one account and one API key to access all supported models. We handle the routing and billing across different providers.
How do I pay for the usage?
You can top up your ModelMax balance using credit cards or other supported payment methods. Your usage across all models will be deducted from this single balance.
Is the API fully compatible with OpenAI SDKs?
Absolutely. Our API is built to be a drop-in replacement for OpenAI. You just need to change the base URL to our endpoint and use your ModelMax API key.
Ready to accelerate?
Get your API key in under a minute and start building with the unified, zero-markup LLM gateway.