OpenAI
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
OpenAI Alternatives
Explore 15 products in the Audio category. View all OpenAI alternatives.
LemonFox
Affordable speech-to-text and text-to-speech API with 100+ language support
Speechmatics
Enterprise speech-to-text API supporting 55+ languages with high accuracy
Gladia
Fast speech-to-text API with real-time transcription and speaker diarization
Also listed in
Is your product missing? 👀 Add it here →