OpenAI Platform’s ChatGPT API lets you integrate GPT-5 series models to generate text, analyze and create images, work with audio, produce structured outputs, and build tool-using agents.
Cost / License
- Paid
- Proprietary
United StatesPlatforms
- Online
+2
Fireworks AI Alternatives
Fireworks AI is described as 'Build and deploy generative AI on the fastest and most efficient inference engine, fine-tuning and switching between models without extra costs' and is an website. There are more than 25 alternatives to Fireworks AI, not only websites but also apps for a variety of platforms, including SaaS, Windows, Linux and Mac apps. The best Fireworks AI alternative is Mistral Forge. It's not free, so if you're looking for a free alternative, you could try Unsloth or Minimax Platform. Other great sites and apps similar to Fireworks AI are deAPI, Cactus, Plexe AI and AIkit.
Alternatives list
- 19 OpenAI Platform alternatives
- 18 nanoGPT alternatives
The simplest, fastest repository for training/finetuning medium-sized GPTs. It is a rewrite of minGPT that prioritizes teeth over education. Still under active development, but currently the file train.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Python
- Mac
- Windows
- Linux
- BSD
N 
Run and fine-tune generative AI models with easy-to-use APIs and highly scalable infrastructure. Train and deploy models at scale on our AI Acceleration Cloud and scalable GPU clusters. Optimize performance and cost.
Cost / License
- Paid
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)
Awan LLM is a cost-effective large language model API provider offering flexible pricing tiers from free testing to scalable enterprise use.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
+2
Build, customize and control you own LLMs. From data pre-processing to fine-tuning, xTuring provides an easy way to personalize open-source LLMs.
Cost / License
- Free
- Open Source (Apache-2.0)
Platforms
- Windows
- Linux
Cerebras is an AI infrastructure company that builds wafer-scale processors delivering ultra-fast, cost-efficient training and inference for large models.
Cost / License
- Paid
- Proprietary
Platforms
- Online
+4
Groq is a technology company offering GroqCloud, a high-performance inference platform designed to deliver ultra-fast, low-cost AI model execution.
Cost / License
- Paid
- Proprietary
Platforms
- Online
Seamlessly connect to multiple models through a single gateway with failproof routing, cost control, and instant usage insights.
Cost / License
- Paid
- Proprietary
Platforms
- Online
+3
EU sovereign Enterprise AI inference platform with OpenAI-compatible API for running open-source LLMs on dedicated infrastructure in Europe. Full GDPR, no US CLOUD act exposure.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
Chat, image, video, and music — one OpenAI-compatible API. Provider cost + 5% margin at settlement. No subscriptions, no minimum spend, no vendor lock-in. Any API. Any agent. Pay per request with USDC via x402 — no keys, no subscriptions, no accounts.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
+2
You’re about to supercharge your AI models with lightning-fast inference. Inference Engine makes it easy to scale, and optimize your models for real-time performance. Let’s get started—your AI is ready to shine.
Cost / License
- Paid
- Proprietary
Platforms
- Online
+1
Welcome to AIHubMix, your reliable AI model API routing service. We use the OpenAI API as a standardized interface, capable of handling all models officially supported by OpenAI. Additionally, AIHubMix has incorporated other leading large language models on the market.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
+3
India
Luxembourg
EU
