Comparison
| Tool | Price from | Free plan | Category |
|---|---|---|---|
| ZZro by MoonMath.ai | 5 USD | yes | APIs & models |
 Cline | not listed | yes | APIs & models |
 OpenAI Platform | 0.10 USD | ? | APIs & models |
 DigitalOcean | 0.05 USD | trial | APIs & models |
 Kimi API Platform | 0.30 USD | no | APIs & models |
| PPalomino | not listed | yes | APIs & models |
 Fireworks AI | 0.50 USD | no | APIs & models |
 Cerebras | 5 USD | trial | APIs & models |
 Blackbox AI | not listed | ? | APIs & models |
Each alternative in short
1. Cline
Open-source AI coding agent for editors, terminal and SDK that plans and executes multi-file code changes with any model.
Yes, there is a free plan. The open source extension is free for individual developers; you pay only for AI inference, either with your own API keys or via the Cline provider.
2. OpenAI Platform
Developer platform for building applications with the OpenAI API, aimed at software developers.
The vendor does not state this clearly on the homepage or pricing page.
3. DigitalOcean
Cloud platform with GPU compute, inference, and managed AI agents, for developers and companies running AI products in production.
There is a free trial. The page does not state a free tier for AI services. App Platform and Functions list a starting price of $0/month, and the Action Gateway includes tool search at no charge.
4. Kimi API Platform
Pay-as-you-go API for Kimi LLMs (K3, K2.7 Code, K2.6) with tool calling and a 1M-token context window, for developers building AI apps.
No - according to the vendor, it is paid only.
5. Palomino
A native Mac app that runs Claude Code, Codex, and Pi agents side by side in one window, alongside terminals, browsers, and files.
Yes, there is a free plan. Free plan with unlimited workspaces and agents and panes, limited only by what the Mac can run; no account required.
6. Fireworks AI
Inference and training platform for open and custom AI models, for teams building production apps, coding tools, and agents.
No - according to the vendor, it is paid only.
7. Cerebras
Ultra-fast AI inference on Cerebras wafer-scale hardware, for developers and enterprises running frontier models.
There is a free trial. One-time $5 promotional credit after adding a valid payment method, expiring 30 days after activation; no automatic charge.
8. Blackbox AI
Enterprise inference platform giving access to 300+ models through one endpoint, with end-to-end encryption, zero data retention and dedicated deployments.
The vendor does not state this clearly on the homepage or pricing page.
FAQ
What is the best alternative to Zro by MoonMath.ai?
The most popular option in the same category is Cline. See the comparison table above.