OpenAI Alternatives
API access to GPT, o-series reasoning, DALL-E, and Whisper models
OpenAI provides API access to a broad range of AI models.
Explore 91 alternatives to OpenAI across 3 categories. Each tool listed below shares at least one category with OpenAI.
Top OpenAI alternatives at a glance
- AssemblyAI. Speech-to-text APIs with audio intelligence, speaker diarization, and real-time streaming
- Cartesia. Real-time voice AI with ultra-low latency text-to-speech and voice cloning in 40+ languages
- Cekura. Testing and monitoring platform for AI voice and chat agents
- Deepgram. Build Voice AI into your apps.
- Eleven Labs. Natural Text to Speech & AI Voice Generator.
🔊 Audio
Deepgram
Build Voice AI into your apps.
Fish Audio
Open-source text-to-speech and voice cloning with low latency in 13+ languages
🧠 Fine-tuning
LLaMA-Factory
Open-source fine-tuning framework for 100+ LLMs with a web UI
torchtune
PyTorch-native library for fine-tuning LLMs on consumer and enterprise GPUs
TRL
Hugging Face library for training language models with RLHF, SFT, and DPO
Unsloth
Fine-tune LLMs up to 30x faster with 90% less memory usage
🤖 Inference APIs
Beam
Open-source serverless GPU cloud with sub-second cold starts and auto-scaling
BentoML
BentoML is the platform for software engineers to build AI products.
Ollama
Run large language models locally with a single command
vLLM
High-throughput LLM inference engine with PagedAttention for efficient GPU memory usage
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