Claude
AI Assistantsมีแพ็กเกจฟรีLong-context assistant with strong reasoning and a careful, readable writing style.
Visit siteGrouped by tag; 1 have a free tier. Conclusions come from hands-on testing and user ratings.
If you only pick one, take Claude (4.8/5): Drop a hundred-page PDF in and ask about a specific clause, and Claude is usually the one …
Long-context assistant with strong reasoning and a careful, readable writing style.
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