OpenAI's general-purpose chat + GPT-4o
- Pricing
- $20/mo Plus
- Used in
- 1 stack
- Updated
- 2026-05-05
Side-by-side: pricing, category, alternatives, and which AI stacks on aistack.sh use each tool today.
ChatGPT and Grok are alternatives in the LLMs category. ChatGPT pricing: $20/mo Plus · API $2.50/M tokens. Grok pricing: $30/mo SuperGrok · $40/mo X Premium+ (X bundled). ChatGPT is cheaper at the entry tier. ChatGPT ships in 1 tested AI stack on aistack.sh; Grok ships in 1. Pick ChatGPT when you want openai's general-purpose chat + gpt-4o. Pick Grok when you want xai's chat + image + voice model, x-native.
ChatGPT starts cheaper. ChatGPT pricing: $20/mo Plus · API $2.50/M tokens. Grok pricing: $30/mo SuperGrok · $40/mo X Premium+ (X bundled).
OpenAI's general-purpose chat + GPT-4o ChatGPT is categorized as LLMs and appears in 1 tested AI stack on aistack.sh.
xAI's chat + image + voice model, X-native Grok is categorized as LLMs and appears in 1 tested AI stack on aistack.sh.
They are alternatives at the same step, so most stacks pick one or the other. No aistack.sh stack uses both today, though nothing prevents a custom workflow.
Beyond each other, ChatGPT's closest alternatives are Claude, Gemini. Grok's closest alternatives are Claude, Gemini.