NovelCrafter
An all-in-one writing platform that lets you use your own API keys (OpenAI, Anthropic, etc.) for AI assistance. It features a Codex system to track lore and characters.
Lex
Lex is a distraction-free writing editor with built-in AI that suggests, rewrites, and continues your prose on demand. It targets bloggers, essayists, and newsletter writers who want a clean canvas with an AI co-pilot that stays out of the way until called upon.
NovelCrafter edges Lex on aggregate — 80 vs 70.
The power-user tool for authors who want to bring their own AI API keys to save money and maintain ultimate control. Lex still wins for buyers who prioritise beautiful, minimalist interface. Both tools are independently scored — the right pick depends on which dimensions matter most for your workflow.
Side-by-side, every cell sourced.
Pricing pulled from each tool's public site. Scores follow the BigBang Score rubric — pricing transparency, free tier, API support, update frequency, unique factor, documentation, and community.
Use-case picks.
Cut through the spec sheet. Here's what we'd recommend depending on what matters most.
Pick NovelCrafter if…
You prioritise use your own ai keys (cheaper long-term) and the codex system is powerful for world-building.
Pick Lex if…
You prioritise beautiful, minimalist interface and ai acts as a partner, not a ghostwriter.
Editorial pick
NovelCrafter wins our composite score (80/100). It edges ahead on aggregate — but the right tool depends on which dimensions matter most.
Related head-to-heads in AI writing.
NovelCrafter vs Gamma — AI writing
BigBang Scores 80/100 vs 73/100. Pricing, capabilities, and editorial verdict inside.
NovelCrafter vs Writesonic — AI writing
BigBang Scores 80/100 vs 73/100. Pricing, capabilities, and editorial verdict inside.
NovelCrafter vs Grammarly — AI writing
BigBang Scores 80/100 vs 72/100. Pricing, capabilities, and editorial verdict inside.
NovelCrafter vs Lex - frequently asked.
Direct answers tuned for AI search engines (ChatGPT, Perplexity, Claude) and Google's People Also Ask.
The short answer.
NovelCrafter wins on aggregate, but Lex pulls ahead on specific axes - the spec sheet above shows where each one earns its keep.