OpenAI
Free Trial
API access to GPT, o-series reasoning, DALL-E, and Whisper models
OpenAI provides API access to a broad range of AI models. The current lineup includes GPT-4.1 and GPT-5 for general-purpose text generation, o3 and o4-mini for reasoning-heavy tasks, GPT-4.1-nano for cost-efficient workloads, DALL-E for image generation, and Whisper for speech recognition. Models support function calling, structured outputs, and vision input. Batch API available at 50% discount for async processing.
Pricing: Per token usage
Hosting
Cloud
Pricing
Usage Based, from $0.05/1M tokens
HQ
🇺🇸 United States
Founded
2015
License
PROPRIETARY
GitHub
30,832 stars
Compliance
SOC 2 · HIPAA · GDPR · SSO
OpenAI Alternatives
Explore 86 products in the Inference APIs category. View all OpenAI alternatives.
Also listed in
Work on OpenAI? Feature it at the top of Inference APIs.
Is your product missing?