
Weights and Biases Weave
AI Infrastructure
Tracks and evaluates LLM apps for AI development.
- LLM Evaluation
- Model Training
- Compliance
Free

Freesolo Flash: Enables efficient, low-cost training of small models. Here are 12 alternatives — compare pricing, free plans and API access side by side.
| Tool | Category | Pricing | Starting at | Free plan | API | Open source |
|---|---|---|---|---|---|---|
| AI Infrastructure | — | — | ||||
| AI Infrastructure | Free | — | ||||
| AI Infrastructure | Freemium | — | ||||
| AI Infrastructure | — | — | ||||
| AI Infrastructure | — | — | ||||
| AI Infrastructure | — | — | ||||
| AI Infrastructure | Freemium | $199/month | ||||
| AI Infrastructure | Freemium | $50/month | ||||
| AI Infrastructure | Paid | €9/month | ||||
| AI Infrastructure | Paid | — | ||||
| AI Infrastructure | Paid | — | ||||
| AI Infrastructure | Freemium | $16/month | ||||
| AI Infrastructure | Freemium | $199/month |

AI Infrastructure
Tracks and evaluates LLM apps for AI development.
Free

AI Infrastructure
Full-stack AI platform for inference, fine-tuning, and GPU clusters.
Freemium
AI Infrastructure
Delivers AI applications and platform to maximize business impact and minimize risk.

AI Infrastructure
Open-source no-code UI for training and running AI models locally.
AI Infrastructure
Train, deploy, and improve models on an integrated stack.

AI Infrastructure
AI router with built-in observability and automated evaluations.
Freemium

AI Infrastructure
AI knowledge platform for accurate, fast, cost-effective AI.
Freemium

AI Infrastructure
Independent AI infrastructure for WordPress with builder-aware tooling across 17 platforms, duplicate-first safety, and the WordPress Abilities API.
Paid
AI Infrastructure
A multi-model database and agent memory layer for AI applications.
Paid
AI Infrastructure
Enables enterprises to automate processes and gain insights from data.
Paid

AI Infrastructure
Supercharge AI agents with web data and beyond.
Freemium

AI Infrastructure
AI router with observability and automated evaluations
Freemium