Best Grok API alternatives

Comparison

Tool	Price from	Free plan	Category
Grok API	0.02 USD	?	APIs & models
MiniMax	0.3 USD input / 1.2 USD output per M tokens	?	APIs & models
Replicate	0.025 USD	trial	APIs & models
DeepAI	9.99 USD/mo	yes	APIs & models
Z.AI Developer Platform	0.015 USD	trial	APIs & models
fal	0.05 USD	?	APIs & models
OpenRouter	not listed	yes	APIs & models
LocalAI	not listed	yes	APIs & models
MiniMax API Platform	0.3 USD input / 1.2 USD output per M tokens	?	APIs & models

Each alternative in short

1. MiniMax

Multimodal AI models (LLM, video, speech, music) and AI-native products such as MiniMax Code, Design and Talkie, for developers, creators and enterprises.

The vendor does not state this clearly on the homepage or pricing page.

2. Replicate

Cloud API for running open-source and proprietary AI models (image, video, audio, LLMs) with one line of code, billed per use.

There is a free trial. A 'Try for free' option is offered on the homepage; the text does not specify the free allowance.

3. DeepAI

All-in-one creative AI platform for images, video, music, chat, photo editing and voice, for hobbyists, artists and developers.

Yes, there is a free plan. Free access without an account, with limited HD images and editing, limited standard chat messages, up to 200 Theos a day in DeepAI Code, limited AI music generation, 60 seconds/day of AI Voice Chat, and a limited photo editor. No Genius or Super Genius modes, live web browsing, video, or Concierge tasks.

4. Z.AI Developer Platform

API platform for developers offering GLM text, vision, image, video, audio and agent models, callable via HTTP or Python/Java SDKs.

There is a free trial. Free models: GLM-4.7-Flash, GLM-4.5-Flash and GLM-4.6V-Flash are priced at 0 USD. Context caching storage is free for a limited time.

5. fal

Generative media platform giving developers one API for 1,000+ image, video, audio and 3D models, plus serverless GPUs and dedicated clusters.

The vendor does not state this clearly on the homepage or pricing page.

6. OpenRouter

A unified API and chat interface giving access to 500+ AI models from 80+ providers, for developers and teams who want one key and better uptime.

Yes, there is a free plan. Free plan: 25+ free models, 4 free providers, chat and API access, activity logs, 5 workspaces, 50 requests/day, community support.

7. LocalAI

Open source runtime that runs LLMs, voice, vision, image, video and agent models locally on any hardware, including CPU-only machines.

Yes, there is a free plan. Open source under the MIT license; the software itself is free to install and run.

8. MiniMax API Platform

API platform offering MiniMax language, video, speech, image and music models for developers building AI-powered applications.

The vendor does not state this clearly on the homepage or pricing page.

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