The verdict
ChatGPT takes it, 6–2 on rounds.
On the published figures and the independent review sites, ChatGPT takes 6 of 8 rounds. Treat that as a starting point and check the current figures on both pages, because prices and plans move.
Choose ChatGPT if…
- • You want ChatGPT's edge on what it costs to start and what the standard paid plan costs
Choose Grok if…
- • You want Grok's edge on what customers say on trustpilot and what it costs developers
Round by round
- Round 1What it costs to startChatGPT wins
ChatGPT wins this round on independent review-site data, not on its own claims.
- Round 2What the standard paid plan costsChatGPT wins
ChatGPT wins this round on independent review-site data, not on its own claims.
- Round 3What the top plan costsChatGPT wins
ChatGPT wins this round on independent review-site data, not on its own claims.
- Round 4How its best model ranks head to headChatGPT winsChatGPT8/10
GPT-6 Astra 57.9% Terminal-Bench 4.0
Terminal-Bench 4.0 score published on the maker's own page
- Arena text leaderboard score of gpt-5.6-sol-xhigh, the best OpenAI model, leaderboard dated 2 October 2026
Source: openai.com ↗
Grok5/10Grok 4.7 37.6% Terminal-Bench 4.0
Terminal-Bench 4.0 score published on the maker's own page
- 1475, against 1484
Source: x.ai ↗
ChatGPT wins this round on independent review-site data, not on its own claims.
- Round 5Free image generationChatGPT winsGrok5/10
Dropped in 2026
image and video generation were dropped from the free tier in 2026
- Dropped in 2026, against Limited image generation
Source: aibusinessweekly.net ↗
ChatGPT wins this round on independent review-site data, not on its own claims.
- Round 6What customers say on TrustpilotGrok winsChatGPT5/10
1.3 out of 5
TrustScore from 1,225 reviews on Trustpilot
- 1.3 out of 5, against 1.9 out of 5
Source: trustpilot.com ↗
Grok wins this round on independent review-site data, not on its own claims.
- Round 7What a business seat costsChatGPT winsChatGPT8/10
Business $20/user/mo (annual)
Go / Plus / Pro, billed monthly (Individual tab); Business tab for seats
Source: chatgpt.com ↗
Grok5/10SuperGrok Business $30/seat
SuperGrok Lite / SuperGrok / SuperGrok Heavy, monthly (Individual tab); Business tab for seats
- SuperGrok Business $30/seat, against Business $20/user/mo (annual)
Source: grok.com ↗
ChatGPT wins this round on what the published sources say.
- Round 8What it costs developersGrok winsChatGPT5/10
GPT-6 Astra $10 / 1M input
Go / Plus / Pro, billed monthly (Individual tab); Business tab for seats
- GPT-6 Astra $10 / 1M input, against Grok 4.7 $2 / 1M input
Source: developers.openai.com ↗
Grok8/10Grok 4.7 $2 / 1M input
SuperGrok Lite / SuperGrok / SuperGrok Heavy, monthly (Individual tab); Business tab for seats
Source: docs.x.ai ↗
Grok wins this round on what the published sources say.
Side by side
- ChatGPT Pro, per month
- Arena text leaderboard score of gpt-5.6-sol-xhigh, the best OpenAI model, leaderboard dated 2 October 2026
- grok-build-0.1, per million input tokens
- 1484, against 1505
- 1.3 out of 5, against 1.5 out of 5
- $8, against $4.99
- 1484, against 1525
- $10, against $8
- $30, against $20
- $300, against $200
- 1475, against 1484