Head to head

QuillBot vs ChatGPT

QuillBot (Course Hero) and ChatGPT (OpenAI) both sit in Writing. ChatGPT is the cheaper entry point at Pricing not published in the provided documentation. ChatGPT shipped more tracked changes in the last 30 days (11 vs 0). Every value below comes from the latest crawl of the vendors' own pages.

AttributeQuillBot

Course Hero

ChatGPT

OpenAI

SegmentWritingWriting
Version2025GPT-6 Astra
Entry costFree tier · from $9.95/moPricing not published in the provided documentation
Pricing tiersFree Tier free
Model stackin-house + frontierGPT Image · GPT-5.2 · GPT-5.2 Thinking · GPT-5.4 · gpt-5.6 · gpt-6-astra
Context window196K tokens on Plus
Public API
Routes models
Changes / 30d011
OriginGlobalGlobal
CapabilitiesParaphraser, Grammar, CitationsVoice mode, Deep research, Canvas, Agent mode, Projects, Connectors, Realtime API, Voice agents

ChatGPT

The most widely used consumer AI assistant, spanning writing, analysis, images and voice.

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