Reddit Character Limits 2026: Titles & Comments

Reddit gives you 300 characters for a post title and a generous 10,000 for a comment — but the ideal title avoids vague, promotional, or clickbait phrasing far more than it worries about hitting the character cap. Here's the full picture.

Reddit Character Limits

For the complete interactive reference with all fields for every platform, visit our all-platforms character limit cheat sheet — with 16 platforms in one page and links to dedicated tools for each.

Writing an Effective Reddit Title Within 300 Characters

Reddit culture strongly favors clear, specific, non-promotional titles — the ideal title describes the actual content or question directly rather than teasing it, and most well-performing titles use nowhere near the full 300-character allowance. Vague or clickbait-style titles ("You won't believe what happened...") are actively penalized by community norms and often removed by moderators.

Comments Get 10,000 Characters for a Reason

Reddit's comment system is built around threaded discussion and detailed answers — 10,000 characters supports genuinely long-form responses, technical explanations, or storytelling, which is core to how many subreddits function (compare to Twitter/X's 280-character replies or Instagram's comment limits).

Subreddit-Specific Rules Often Apply on Top of Platform Limits

• Many subreddits enforce their own minimum or maximum title length rules via AutoModerator, separate from Reddit's platform-wide 300-character cap
• Some subreddits require specific title formats (e.g., "[Question]", flair tags) that effectively reduce your usable character budget
• Always check a subreddit's posting rules before assuming the platform maximum applies unmodified

See our Discord character limits guide for another community-platform comparison, and the full social media character limits guide.