Detector24
AI-Generated Text Detection
TextAI Detection

AI-Generated Text Detection

Detect if text was generated by AI models (GPT, Claude, etc.)

Accuracy
93.9%
Avg. Speed
75ms
Per Request
$0.0030
API Name
ai-generated-text

API Reference

Version
2601
Jan 3, 2026
Avg. Processing
75ms
Per Request
$0.003
Required Plan
trial

Input Parameters

Detects AI-generated text (GPT, Claude, etc.) with chunking for long texts

textstringRequired

Text content to check for AI generation

Example:
Your text to analyze here...

Response Fields

AI-generated text detection with chunk-level analysis

is_humanboolean

True if text appears human-written

Example:
true
is_ai_generatedboolean

True if AI-generated text detected

Example:
false
ai_probabilityfloat

Overall probability that text is AI-generated (0.0-1.0)

Example:
0.12
ai_probability_maxfloat

Highest AI probability across all chunks

Example:
0.15
chunk_countinteger

Number of chunks analyzed (400-token segments)

Example:
3
chunksarray

Per-chunk analysis results

Array Item Properties:
textstring

Chunk text content

startinteger

Start position in original text

endinteger

End position in original text

ai_probabilityfloat

AI probability for this chunk

high_riskboolean

True if probability >= 0.8

Complete Example

Request

{
  "model": "ai-generated-text",
  "content": "This is a sample text to analyze for AI generation."
}

Response

{
  "success": true,
  "data": {
    "is_human": true,
    "is_ai_generated": false,
    "ai_probability": 0.12,
    "ai_probability_max": 0.15,
    "chunk_count": 1,
    "chunks": [
      {
        "text": "This is a sample text to analyze for AI generation.",
        "start": 0,
        "end": 52,
        "ai_probability": 0.12,
        "high_risk": false
      }
    ]
  }
}

Additional Information

Rate Limiting
If we throttle your request, you will receive a 429 HTTP error code along with an error message. You should then retry with an exponential back-off strategy, meaning that you should retry after 4 seconds, then 8 seconds, then 16 seconds, etc.
Supported Formats
txt, json
Maximum File Size
1MB
Tags:aigeneratedsyntheticdetection

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Integrate AI-Generated Text Detection into your application today with our easy-to-use API.