By Use Case · AI for Creative Writing: Fiction and Poetry
Publishing companies using AI, 2022–2025
CHART 1 · PUBLISHING INDUSTRY TRAJECTORY
Loading chart...
Source: Publishers Weekly annual salary & jobs reports 2022–2025. Tracks share of publishing companies using AI in any business function (editorial, marketing, production, etc.). Adoption more than doubled over three years.
AI Behavior Index
By Use Case · AI for Blog Posts and Article Writing
Average cost per blog post: AI-assisted vs human-only
CHART 1 - THE COST ECONOMICS
Loading chart...
Source: Ahrefs 2025 comprehensive content cost analysis (900,000+ newly created webpages globally; cost data from content teams across multiple industries). AI-assisted blog post: $131 average (4.7× cost efficiency vs human-only); human-only blog post: $611 average. Average cost reduction: $480 per blog post.
AI Behavior Index
By Use Case · AI for Writing: Adoption Overview
Distribution of ChatGPT use cases by category
CHART 1 - HOW PEOPLE ACTUALLY USE CHATGPT
Loading chart...
Source: OpenAI economic research, May 2025 (analysis of 1.5M ChatGPT conversations in collaboration with Harvard and Duke researchers). Separately, Thunderbit citing OpenAI 2026 data reports practical guidance (28.3%), writing and editing (28.1%), and seeking information (21.3%) as the top three use cases. Numbers vary depending on whether "all conversations" or "work-related conversations only" are measured.
AI Behavior Index
By Use Case · AI for Email Drafting at Work
Global AI email assistant market size, 2023–2026
CHART 1 - THE MARKET
Loading chart...
Source: Coliflo AI email tools comparison 2025 citing industry analysts ($810M in 2024, $880M in 2025); Read AI / Virtual Workforce projections. Note: this is the narrow "AI email assistant" software market — distinct from the broader productivity AI category and from email volume processed (which is dramatically larger).
AI Behavior Index
By Use Case · AI for Translation and Multilingual Writing
Global AI translation services market, 2025–2035 forecast
Chart 1 · The market trajectory
Loading chart...
AI Behavior Index
By Use Case · AI for Academic and Research Writing
Student AI adoption: 2024 vs 2025
CHART 1 - THE ONE-YEAR SHIFT
Loading chart...
Source: HEPI Student Generative AI Survey 2024 and 2025 (UK higher education). The "any AI use" figure rose from 66% to 92%; the "used gen AI for assessments" figure rose from 53% to 88%; "included AI-generated text directly in submitted work" measured at 18% in 2025 (HEPI did not separately report this in 2024). These are self-reported measures, so they likely understate actual use.
AI Behavior Index
By Use Case · AI for Technical Documentation
Mintlify ARR and customer growth, 2023–2025
Chart 1 · Platform growth
Loading chart...
AI Behavior Index
By Use Case · AI for Coding: Adoption Overview
Developers using AI coding tools
CHART 1 · ADOPTION CURVE
Loading chart...
AI Behavior Index
By Use Case · AI for Editing and Proofreading
Grammarly vs ChatGPT by segment
Chart 1 · Two tools, two jobs
Loading chart...
Source: Doomshell market analysis 2026
AI Behavior Index
By Use Case · AI for Writing: Adoption Overview
AI writing tool adoption by population
CHART 2 - WHO USES AI FOR WRITING
Loading chart...
AI Behavior Index
By Use Case · AI for Technical Documentation
Notable Mintlify customers by category
Chart 2 · Who's using it
Loading chart...
Source: Mintlify 2025 Year in Review and customer announcements. Notable: AI labs (Anthropic, Perplexity, Cursor), fintech (Coinbase, PayPal), big tech (Microsoft, AT&T), data/science (Anaconda), developer tools (Replit, Vercel, PlanetScale).
AI Behavior Index
By Use Case · AI for Code Generation (Greenfield)
AI accuracy by code-generation task
CHART 1 · FUNCTION-LEVEL IS NEAR-SOLVED
Loading chart...
AI Behavior Index