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Optima vs DetectGPT

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Optima compared with DetectGPT
DetailOptima logo OptimaDetectGPT logo DetectGPT
What it doesBuild custom benchmarks to compare frontier models on performance, cost, and time efficiency for your specific tasks Free AI checker to detect AI-generated text from ChatGPT, Claude, Grok, Gemini and other language models
StageNot given Not given
FoundedNot given Not given
Based inUS Not given
Pricing modelNot given Free
PricingToken usage for creating and running benchmarks at raw model cost. Rubric grading: $0.002 per criterion per model (standard judges) or $0.040 per criterion (premium judges), $0.10 on agentic tasks. Pairwise grading: $0.006 per match (standard, $0.150 premium), $0.015 per match on document tasks (sta Free. No account, no card required. Up to 5,000 words per run for AI detection and up to 3,000 words for plagiarism checking.
Key features
  • Custom benchmark builder with example-driven task creation
  • Multiple evaluation types: Q&A, document analysis, agentic tasks, interactive conversations
  • Run benchmarks across multiple frontier models simultaneously
  • Cost and time per task metrics
  • Standard and premium judge tiers for grading
  • Rubric grading with custom criteria
  • Deterministic objective grading
  • No markup on model token costs
  • Analyzes up to 5,000 words per run without account signup
  • Detects AI writing from ChatGPT, Claude, Grok, Gemini and other LLMs
  • Analyzes public URLs and homepages
  • Plagiarism checker with public web overlap detection up to 3,000 words
What makes it different
  • Build benchmarks on your actual tasks and data instead of standardized tests
  • Compare models across performance, cost, and time efficiency simultaneously
  • Grading expertise from major AI evaluations
  • Independent tool not affiliated with Turnitin, OpenAI or other major platforms
  • Text scored in browser with no storage on servers
  • Integrated plagiarism checker included as free feature
Community votes00
DR (Domain Rating by Ahrefs)84 −1 (down) since last check39 no change since last check
Trust Flow (Majestic)2813
Citation Flow (Majestic)5926
Referring domains (Majestic)1735335

4 details filled in for both companies.

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