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ChatGPT vs Grok

Two fact sheets from our own research, side by side — pricing, platforms, API access and status re-checked by us rather than quoted from the vendors.

The short answer

Cheaper paid plan
ChatGPT — $8/mo vs $10/mo for Grok
Free plan
Both have one
Public API
Both have one
Higher Trust score
Grok — 94 vs 86 for ChatGPT
Best fit
ChatGPT: General knowledge work, drafting, analysis and code across one interface · Grok: People who live on X and want trending posts folded into answers

From our own records as of each tool's last check. Anything we have not confirmed is left out rather than guessed. How we verify

ChatGPTGeneral assistant with tools, memory, files and voiceGrokxAI's assistant with live X and web search, image and video generation, voice mode and a per-token API

Side by side

FactChatGPTGrok
CategoryGeneral-purpose AI ChatbotsGeneral-purpose AI Chatbots
Pricing modelFreemiumFreemium
Starts at$8/mo$10/mo
Public APIYesYes
Trust score86 / 10094 / 100
PlatformsWeb, iOS, Android, macOS, Windows, APIWeb, iOS, Android, API
CompanyOpenAIxAI
Launched2022—
Last verifiedSep 6, 2026Sep 6, 2026

What our research says

ChatGPT

ChatGPT is the default general assistant and the one everyone else is measured against, but the tier you need is rarely the one you first buy. Free is now ad-supported, and the jump to genuinely unlimited reasoning is steep.

Pros

  • Broadest tool surface of any consumer assistant: browsing, code, images, voice, connectors
  • The $8 Go tier closed the gap between free and a $20 commitment
  • Apps on every desktop and mobile platform, not just a web wrapper
  • Model quality is consistently at or near the front of the field

Cons

  • Advertising now appears on the free and Go tiers
  • Message and reasoning limits are opaque and change without notice
  • Tier structure has churned repeatedly, so any price you quote ages fast
  • The API is a separate purchase, which surprises buyers who assume Plus includes it

Grok

Grok's distinctive asset is the firehose: live X posts plus web search, so for 'what is happening right now' questions it is often the quickest read. As a general assistant it is competitive rather than clearly ahead, and the subscription ladder has been reshuffled several times in 2026 with the vendor's own pricing page hidden behind bot protection, so check the in-app price before you commit.

Pros

  • Live search over X and the web rather than a stale index
  • Image and short video generation with sound inside the same app
  • Voice mode and deep research included in consumer plans
  • API models with 500k to 1M context at list prices below most frontier rivals
  • Free tier exists on web, X and mobile

Cons

  • Plan names and prices changed repeatedly in 2026: Lite, SuperGrok, Plus and Heavy at $10, $30, $100 and $300
  • The vendor's website blocks automated access, so published terms are hard to verify
  • API requests with 200k or more prompt tokens bill every token at double the rate
  • Seller of record in the App Store is X Corp. while the copyright is xAI Inc., which muddles who you contract with

Which one fits

Choose ChatGPT if you need

  • General knowledge work, drafting, analysis and code across one interface
  • Anyone who wants file, image, voice and browsing input without assembling tools
  • Teams that need admin controls and data-retention terms via Business or Enterprise
  • Light users who want more headroom than free without paying $20

Choose Grok if you need

  • People who live on X and want trending posts folded into answers
  • Users who want image, video and voice generation in one consumer subscription
  • Developers who want 500k to 1M-token context models at $1.25 to $2 per million input tokens

ChatGPT vs Grok: the questions people ask

Is ChatGPT cheaper than Grok?

On published entry prices, ChatGPT starts lower — $8/mo against $10/mo for Grok. Entry price is the lowest paid plan as we last verified it; what each plan includes differs.

Does ChatGPT or Grok have a free tier?

Both: ChatGPT has a free tier, and Grok has a free tier.

Which has a public API, ChatGPT or Grok?

Both ship a public API, so either can be built on; the fact table above shows the platforms each one runs on.

More comparisons

All ChatGPT alternatives →All Grok alternatives →Browse all General-purpose AI Chatbots →