xAI API alternatives

xAI API is listed under LLM APIs: API documentation for xAI's Grok models. We compare it with 15 other LLM APIs tools that have researched data. 11 of them offer a free plan or are free to use (1 open source), and 4 are paid only. xAI API itself is paid.

Order: Sorted by how much you can use for free (free or open source first, then free plan with paid tiers, then paid only), then by the number of documented features, then alphabetically. No ratings or reviews are used.

Tool	Pricing	Free tier	Key features	Who it's for
xAI API this tool	Paid	No	Generate and stream text with reasoning and structured outputs Generate and edit images, including multi-image edits Generate, edit, and extend video from images or text	Developers building with the Grok API in their own tools.
Mistral	Freemium (free plan + paid tiers) Paid plans from $14.99/month	Yes	Customize open-weight models on your data with Forge Build and govern agents and applications in Studio Run models on-prem, in your VPC, or Mistral's cloud	Organizations, teams, and individuals that customize, deploy, and use AI models.
OpenRouter	Freemium (free plan + paid tiers)	Yes	Access over 500 models across more than 80 providers Generate text, images, videos, and audio through one interface Create an API key compatible with the OpenAI format	For developers, indie hackers, AI startups, teams, and enterprises.
Replicate	Freemium (free plan + paid tiers)	Yes	Run models through a cloud API in Node, Python, or HTTP Fine-tune models using your own data Deploy custom models packaged with Cog on dedicated hardware	Developers who run, fine-tune, or deploy machine learning models through an API.
DeepInfra	Paid	No	APIs for text, speech, image, music, and video models Hourly on-demand rental of NVIDIA DGX B300 GPUs Language models billed per token; others by runtime	Startups and enterprises that need hosted model inference.
fal	Paid	No	Call 1,000+ image, video, audio, and 3D models via one API Deploy your own or fine-tuned models on serverless GPUs Train and fine-tune models on dedicated GPU clusters	Developers and companies building generative image, video, and audio products.
LM Studio	Freemium (free plan + paid tiers) Paid plans from $20/month	Yes	Create and edit documents, slides, PDFs, and software Run coding tasks, automations, and computer control Transcribe speech on-device in real time	People who want a computer agent for documents, work, and code.
DeepSeek	Paid	No	Publishes open-source models DeepSeek-V4 and DeepSeek-R1 Chat on the web, in the app, and on desktop API in OpenAI format and Anthropic format	—
Together AI	Freemium (free plan + paid tiers)	Yes	Serve open models on demand through inference APIs Process async batch jobs up to 30 billion tokens Reserve inference capacity with a 99% uptime SLA	Developers and teams building and scaling AI apps on open models.
Workers AI	Freemium (free plan + paid tiers) Paid plans from $0.011 / 1,000 Neurons	Yes	Run machine learning models on serverless GPUs Call models from Workers, Pages, or the API Use 50+ open-source models from the catalog	Developers who run AI models from their own code on Cloudflare.
Anthropic Console	Freemium (free plan + paid tiers)	Yes	Create agents that use Claude models Build applications on Claude models Run agents on managed infrastructure	Developers and companies building with the Claude API.
Fireworks AI	Paid	No	Train with a guided plan, your config, or custom RL code Deploy each training checkpoint to production in seconds Serve open or your own models on serverless or dedicated GPUs	Developers and enterprises training and serving models for code, chat, agents, search, and RAG.
MiniCPM-V 4.7	Free and open source	Yes	Understands single images, multiple images, and video Decodes 13+ tokens/s on iPhone 17 Pro Max in 3 GB Supports mixed 4x and 16x visual token compression	For developers running or fine-tuning multimodal models on phones and local devices.
Cerebras	Freemium (free plan + paid tiers)	Yes	Runs inference up to 30 times faster than GPUs Serves models in the cloud and on-premise Trains, fine-tunes, and serves models on one platform	Developers and enterprises that need fast AI inference at scale.
Hugging Face	Freemium (free plan + paid tiers) Paid plans from $9/month	Yes	Host unlimited public models, datasets, and applications Browse 2M+ models, 1M+ apps, and 500k+ datasets Call 45,000+ provider models through one API	For the machine learning community and teams that collaborate on models, datasets, and applications.
Vertex AI	Freemium (free plan + paid tiers)	Yes	Build agents and scale, govern, and optimize them Deploy agents and applications Offer sample code and notebooks	Developers and technical teams building agents and apps.

xAI API alternatives: FAQ

What are the best xAI API alternatives?

Mistral, OpenRouter, Replicate, DeepInfra, fal, LM Studio, DeepSeek, Together AI, Workers AI, Anthropic Console, Fireworks AI, MiniCPM-V 4.7, Cerebras, Hugging Face, Vertex AI are the xAI API alternatives in our directory that have researched data. They are ordered by how much you can use for free, then by documented features. No ratings or reviews are used, so the order is not a quality ranking.

Is there a free alternative to xAI API?

Mistral (freemium (free plan + paid tiers)), OpenRouter (freemium (free plan + paid tiers)), Replicate (freemium (free plan + paid tiers)), LM Studio (freemium (free plan + paid tiers)), Together AI (freemium (free plan + paid tiers)), Workers AI (freemium (free plan + paid tiers)), Anthropic Console (freemium (free plan + paid tiers)), MiniCPM-V 4.7 (free and open source), Cerebras (freemium (free plan + paid tiers)), Hugging Face (freemium (free plan + paid tiers)), Vertex AI (freemium (free plan + paid tiers)). Free tiers can change, so check each site.