Together AI
Most PopularThe cloud for AI — fast inference and fine-tuning for open-source models
Performance Scores
About This Tool
Together AI has built one of the most comprehensive open-source AI platforms available, combining fast inference, custom fine-tuning, and dedicated deployments under one roof. The platform hosts over 100 models spanning LLMs, code models, image generators, and embedding models — all accessible via an OpenAI-compatible API. Together's inference infrastructure is optimized with continuous batching, tensor parallelism, and FlashAttention to deliver high throughput at low cost. What sets Together apart is its fine-tuning offering: teams can fine-tune Llama, Mistral, or any supported model on their own data and deploy it instantly. Together AI raised $106 million in Series A funding in 2023 and has become a reference implementation for enterprise AI teams building on open-source models.
Our Review
Together AI offers high-performance inference and fine-tuning APIs for 100+ open-source models, with a strong focus on competitive pricing and enterprise-grade reliability.
Pricing
Pros
- Best fine-tuning + inference combo
- Huge model library
- OpenAI-compatible
- Competitive pricing
- Strong enterprise features
Cons
- Slightly slower than Fireworks on raw inference speed
- Fine-tuning can be expensive for large models
Key Features
Replaces These Legacy Tools
Best For
Teams that need both fast inference and custom fine-tuning on open-source models
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