OpenAI-compatible API

AI inference,
simple API

Access powerful language models through a single, OpenAI-compatible endpoint. Pay only for what you use.

OpenAI Compatible

Drop-in replacement for OpenAI's API. Use your existing SDKs and tools — just change the base URL.

Usage-Based Pricing

Pay per token with no upfront commitment. Real-time usage tracking and detailed per-model cost breakdowns.

Per-Key Rate Limiting

Fine-grained rate limits per API key. Set requests-per-minute caps to control spending and prevent abuse.

Start in seconds

One curl command is all you need

$ curl https://cloud.stellarbase.ai/v1/chat/completions \
  -H "Authorization: Bearer sk-your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-oss-120b",
    "messages": [
      {"role": "user", "content": "Hello!"}
    ]
  }'

Compatible with OpenAI SDKs — Python, Node.js, Go, and more

Available models

GPT-OSS 120B

Cerebras 128K tokens
Chat

High-performance open-source model for general-purpose chat and reasoning tasks.

Ministral 3-14B

Mistral 128K tokens
Chat

Fast, efficient model for straightforward tasks and high-throughput workloads.

Simple, transparent pricing

Pay only for what you use. No monthly fees, no commitments.

Pay as you go

$0 /month base
Price per 1M tokens
ModelInputOutput
GPT-OSS 120B$0.60$0.60
Ministral 3-14B$0.10$0.10
Get started

Need higher rate limits or custom models? Contact us.

Ready to build?

Create an account and get your API key in under a minute.