What is the character limit for a standard X (Twitter) post?

For standard accounts, the character ceiling is 280 characters. Premium / X Verified subscribers have an extended ceiling of 25,000 characters.

Do URLs count as 280 characters on Twitter?

Twitter uses t.co link wrapping. Every URL counts as 23 characters regardless of its actual character length.

280-Character Microblogging Precision

X / Twitter Character Counter

Live 280-character count with real-time overflow highlighting and social feed card simulation.

Words

Avg 0 chars/word

Characters

0 no spaces

Sentences

0 words/sent

Paragraphs

0 sents/para

Reading Time 225 wpm

0 sec

Silent reading

Speaking Time 130 wpm

0 sec

Speech / keynote

GOAL TARGET: No target set

Draft 1

Saved to device memory

Keywords:

Type text to view frequency

Reading Level: Ready

Keyword Frequency & Density

Identify recurring terms and calibrate your SEO phrase balance.

Filter stop words (the, is, at...)

PHRASE	OCCURRENCES	DENSITY
Type or paste text above to calculate keyword density.

AI Token Counter & Model Suite (2020 – 2026)

BPE sub-word token metrics, context window capacity, and official API pricing for 45+ AI models.

~0 chars/token 45 Models Supported

Era:

Brand:

Claude 3.7 Sonnet

2025 Anthropic

Hybrid standard & extended reasoning model with state-of-the-art coding and prose capabilities.

Tokenizer: claude

Active Token Count

~0 chars / token

Context Window Usage 0.00%

0 / 200,000

API Input / Output Cost

$0.000000

$3.00 / 1M input $15.00 / 1M output

Browse & Compare Models (45 matching)

Click any card to inspect full details

Historical Era Benchmark: 2020 GPT-3 to 2026 Claude 3.7

How model context, tokenizer efficiency, and API cost per million tokens evolved over 6 years.

ERA	MILESTONE MODEL	CONTEXT	TOKENIZER	YOUR TOKENS	INPUT COST

100% Client-Side Tokenization. Exact byte-pair encoding heuristics calibrated against official model vocabularies.

X / Twitter Character Counter

Keyword Frequency & Density

Exclude References & In-Text Citations

Style & Quality Audit

Filler Words Breakdown

Passive Voice Phrases

AI Token Counter & Model Suite (2020 – 2026)

Claude 3.7 Sonnet

Browse & Compare Models (45 matching)

Historical Era Benchmark: 2020 GPT-3 to 2026 Claude 3.7

X / Twitter Character Counter

Keyword Frequency & Density

Platform Character Constraints & SERP Previews

Exclude References & In-Text Citations

Style & Quality Audit

Filler Words Breakdown

Passive Voice Phrases

AI Token Counter & Model Suite (2020 – 2026)

Claude 3.7 Sonnet

Browse & Compare Models (45 matching)

Historical Era Benchmark: 2020 GPT-3 to 2026 Claude 3.7

Set Word Goal