AI X Tool is a Chinese-first directory for discovering AI providers, models, APIs, tools, agents, workflows, learning resources, and benchmarks.

How should I choose an AI tool?

Start with the task, then evaluate capability, price, region, Chinese support, update date, and official links on each resource detail page.

Are the listed prices and capabilities guaranteed?

Listings are maintained from public information and editorial review. Confirm current pricing, limits, and availability on the linked official website before adoption.

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DIRECTORY / ALTERNATIVES

Alternatives to Claude Sonnet 4

Browse resources in the model category that share a similar task, audience, or implementation path.

The list combines explicit editorial alternatives with reverse links from other catalog entries. It does not imply that one product is universally better.