Free SpaceXAI alternatives

Tools similar to SpaceXAI (API docs for Grok models and tools): 4 of 77 Dev Tools tools and 1 tool from other categories match SpaceXAI by shared tags — two or more shared tags (exact or near-synonym, weighted by tag position and rarity), or one strong shared topic tag plus the same category or pricing; ranked by shared-tag weight (rarer tags count more, same category adds a bonus), then same pricing. No votes, no paid placement. 0 of them are labeled Free.

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