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Which AI
Comparison

ChatGPT vs Grok

Comparing ChatGPT Plus and SuperGrok, the flagship consumer plan on each side. Every figure comes from the same records that produce the rankings.

ChatGPT
OpenAI
76.4Very good · #2
—High confidence
Grok
xAI
70.9Good · #4
—High confidence
ChatGPT compared with Grok
RowChatGPTGrok
PlanChatGPT PlusSuperGrok
Monthly price▸$20
$30
IncludesGPT-5.6 in Chat. GPT-6 Sol and GPT-6 Astra in Codex, Astra with a small allowance (about 5–45 messages per 5 hours).Grok 4.6 with higher rate limits
Usage limitsNot stated against Free. Plus sits above Go (10x Free), so recorded as at least 10x.xAI does not state its limits as a multiple of Free.
Intelligence▸6960
Capacity43n/a
Features100100
Value▸7651
Reliability71n/a
Sentiment69▸77
Memory▸YesUnknown
Desktop app▸YesUnknown
API accessNo▸Unknown

Feature rows where both plans are identical are hidden — only meaningful differences are shown.

ChatGPT — strengths
  • Strong capability for the price — Top-tier models and features for $20/month
  • Access to the strongest models we track — Epoch Capabilities Index 162 ECI (OpenAI: GPT-5.6 Sol)
Source: help.openai.com · manually verified
Grok — strengths
  • Strong capability for the price — Top-tier models and features for $30/month
  • Users say it is worth paying for — 83% say it is worth it
Source: x.ai · manually verified

See the full overall ranking, or read how these scores are calculated.