Each of these paid tools offers a free trial, so you can test it on your own work before paying. That matters more with AI tools than with most software, because output quality depends heavily on your specific task.
Developer workflow platform with AI code review that analyzes pull requests and suggests actionable fixes.
Free Trial
API
Hugging Face AutoTrain provides AI development or engineering capabilities.
Freemium
Free plan API
Design-to-code tool from Builder.io that converts design files into framework-based frontend code for develope...
Free Trial
API
Cerebras Inference provides AI-assisted capabilities for developers and software teams.
Freemium
Free plan API
Hugging Face TRL provides AI development or engineering capabilities.
Freemium
Free plan API
AI code review assistant that helps developers find issues and improve pull requests before merging.
Paid
API
MLX LM provides AI development or engineering capabilities.
Freemium
Free plan API Open source
NVIDIA NeMo provides AI development or engineering capabilities.
Freemium
Free plan API Open source
NVIDIA Triton Inference Server provides AI-assisted capabilities for developers, AI engineers, or software tea...
Freemium
Free plan API Open source
Pi Coding Agent provides AI-assisted capabilities for developers and software teams.
Freemium
Free plan API
Pika provides short-form generative video and creative effects for creators, marketers, educators, and teams m...
Freemium
API
Portkey AI Gateway provides AI-assisted capabilities for developers and software teams.
Freemium
Free plan API
AiderDesk provides AI-assisted capabilities for software development.
Freemium
Free plan Open source
MS-Swift provides AI development or engineering capabilities.
Freemium
Free plan API Open source
Qoder provides AI-assisted help for coding, software development, or developer workflows.
Freemium
Free plan
Braintrust provides AI-assisted capabilities for developers and software teams.
Freemium
Free plan API
ONNX Runtime GenAI provides AI development or engineering capabilities.
Freemium
Free plan API Open source
Swimm AI provides AI-assisted capabilities for modern software development workflows.
Freemium
Free plan API
Code health platform that uses behavioral and static analysis to identify risky code and prioritize engineerin...
Paid
API
MLX provides AI development or engineering capabilities.
Freemium
Free plan API Open source
ModelScope provides AI development or engineering capabilities.
Freemium
Free plan API Open source
Neural Frames provides AI music visuals and audio-reactive video for creators, marketers, educators, and teams...
Paid
Oh My Pi provides AI-assisted capabilities for modern software development workflows.
Freemium
Free plan API Open source
AI code review platform that reviews pull requests, explains issues, suggests fixes, and scans code for securi...
Freemium
Free plan API
What to check before you choose
A trial is only useful if you test the thing you actually need. Run your real inputs through it rather than the vendor's demo examples, since polished demos are chosen to flatter the model. Check whether the trial is time-limited or usage-limited, whether it requires card details up front, and whether the trial gives you the full product or a reduced version — a trial on a weaker tier tells you very little about what you would be paying for.