LLMs & Assistants

ChatGPT vs Grok.

Both sit in LLMs & Assistants, scored on the same six pillars from the same published methodology. Here is where they actually differ.

The short answer

ChatGPT scores higher — 90.7 against 82.7, a margin of 8.0 points. That is the overall answer, not the whole one: the pillar breakdown below is where the decision usually actually gets made.

ChatGPT leads on maturity & reliability, integrations & ecosystem and security & compliance.

ChatGPT

OpenAI

90.7

Exceptional

The most widely adopted general-purpose AI assistant.

From
Free / $20 per month (Plus)
Pricing
Freemium
Maturity
Mature
Founded
2022
Grok

xAI

82.7

Excellent

Real-time assistant wired directly into X, with a candid personality.

From
Free / $30 per month (SuperGrok)
Pricing
Freemium
Maturity
Emerging
Founded
2023

Pillar by pillar

The same six pillars and fixed weights used for every tool on the site. A lead of fewer than 5 points is not called for either side — these are evidence-backed judgements, not measurements. Read the methodology.

Capability

ChatGPT by 6

ChatGPT95
Grok89

Value for Money

Level

ChatGPT88
Grok85

Security & Compliance

ChatGPT by 8

ChatGPT82
Grok74

Integrations & Ecosystem

ChatGPT by 16

ChatGPT90
Grok74

Maturity & Reliability

ChatGPT by 20

ChatGPT92
Grok72

Momentum

Level

ChatGPT93
Grok92

Which one, and when

Pick ChatGPT if

  • it has to hold up in production from day one — it leads Maturity & Reliability by 20 points.
  • it has to fit the stack you already run — it leads Integrations & Ecosystem by 16 points.
  • compliance and data control decide it — it leads Security & Compliance by 8 points.
  • General knowledge work
  • Prototyping AI use cases
  • Teams standardizing on one assistant

The catch

  • Data-training controls require explicit opt-out on consumer tiers
  • Rate limits on frontier models even for paid tiers at peak times
Full ChatGPT profile →

Pick Grok if

  • Real-time social research
  • Teams already living on X
  • Cost-efficient agentic coding

The catch

  • Enterprise security and compliance story is younger than rivals
  • Personality tuning has drawn scrutiny over output controls
Full Grok profile →

What each is good at

ChatGPT

  • Broadest feature set of any assistant: browsing, code execution, vision, voice and image generation in one product
  • Massive ecosystem of custom GPTs and third-party integrations
  • Fast release cadence keeps it at or near the state of the art

Grok

  • Live access to X gives it a real-time edge on news and sentiment
  • Fast-improving reasoning and coding across recent model releases
  • Generous context and image understanding on paid tiers

Other comparisons in LLMs & Assistants

Comparing something else? Build your own side-by-side across any tools in the catalog.