Every AI model. 30% cheaper.

OpenAI-compatible API for OpenAI, Claude, Gemini, Alibaba and more. One API key, credit-based billing, with optional Aether Connect plans. Save at least 30%.

Browse every AI model through a single OpenAI-compatible endpoint. At least 30% savings. No credit card required · 200,000 free credits.

Supported providers: OpenAI, Anthropic, Google, xAI, DeepSeek, Alibaba, Perplexity, Mistral, Moonshot, Minimax, Black Forest Labs, Z.AI, Xiaomi.

Built for developers

Simple integration. Transparent pricing. No vendor lock-in.

• Drop-in compatible — Uses the OpenAI SDK format. Change the base URL, keep your existing code.
• One key, every model — Access every model across all providers, including chat, image, audio, embeddings, and video.
• Pay per token — Credit-based billing at $2/M credits. No long-term contracts. Cancel anytime. Purchased credits never expire.
• Per-key spend limits — Set a daily or monthly credit limit for every API key and track usage against it.
• Request-level costs — See the credits and estimated USD cost of each request, broken down by API key.
• Token & cache visibility — Track input, cached input, and output tokens. Supported models also show their cached-input rate.

Start in minutes

Three steps. Same models, at least 30% cheaper. No complex setup.

• Create an API key — Sign up for free and grab a key from the dashboard.
• Change the base URL — Swap the OpenAI base URL for api.aetherapi.dev.
• Everything else stays the same — Same SDK, same models, same responses. Just cheaper.

Broad model coverage

Chat, image, audio, embeddings, and video through one endpoint.

Stop overpaying for API access

At least 30% savings vs direct pricing. $2 per 1M credits. Credits never expire.

Start building for free

200,000 free credits on signup. No credit card required.

Works with your stack

OpenAI SDK · Python · TypeScript · LangChain · Vercel AI SDK · cURL · REST API

Get started

Create a key in the Aether API dashboard, point your client at https://api.aetherapi.dev, and make your first request. Full setup steps are in the quickstart.

Aether API — OpenAI-compatible access to 13+ providers through one API key.