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Meta AI vs ChatGPT: Is free Meta AI enough, or should you use ChatGPT?

Facts checked Oct 22, 2026. Every number links to its source.

Summary

Derived from sourced facts, not from builder opinions
  • Meta AI is free for everyday use. Meta One Core ($7.99) and Premium ($19.99) add more image and video generation. ChatGPT Plus costs $20.
  • Meta AI runs inside WhatsApp, Messenger, Instagram and Facebook as well as its own app and meta.ai.
  • As models in Arena text votes, Muse Spark 1.1, which runs Meta AI's Thinking mode, ranks 22 (1478) and GPT-6 Astra (ChatGPT Plus and up) ranks 73 (1442). Meta does not name the model for its default mode.
  • Every ChatGPT plan includes the Codex coding agent, on Free and Go with GPT-6 Luna in the desktop app, still rolling out.

Choose Meta AI if

  • You want a free assistant inside WhatsApp, Instagram or Facebook.
  • You mostly chat, and Muse Spark 1.1 in Thinking mode is enough for you.
  • You use Meta's AI glasses, which need the Meta AI app.
  • You want the model that ranks higher in Arena text votes (Muse Spark 1.1 in Thinking mode).

Choose ChatGPT if

  • You want a coding agent (Codex) on every plan.
  • You want GPT-6 Astra, which ChatGPT Plus includes.
  • You want to know which model you are using, with published usage estimates for Work and Codex.
  • You want the model that ranks far higher in Arena WebDev votes (GPT-6 Astra).
Meta AI
ChatGPT

Follow both to get an email when either one changes its price, limits or behavior.

Plans

Meta AI plans

Free
Free

Everyday Meta AI use in Meta's apps, the Meta AI app and meta.ai

Meta One Core
$7.99/month

More image and video generation with Meta AI · Instagram, WhatsApp and Facebook Plus features

Meta One Premium
$19.99/month

Everything in Core, with the most Meta AI creation usage

ChatGPT plans

Free
Free

ChatGPT Work and Codex with GPT-6 Luna in the desktop app, rolling out

Go
$8/month

Codex with GPT-6 Luna in the desktop app, rolling out

Plus
$20/month

Codex on web, CLI, IDE and iOS · GPT-6.1 Sol and GPT-6 Luna in Codex

Pro
$100/month

Plans at $100, $200 or $500 · Work and Codex have no five-hour limit, weekly limits may apply

Business
$25/month

Per user monthly · $20 billed annually, 2+ users

Subscription agents are priced per seat with usage limits, so this compares plans rather than dividing a subscription by a guessed number of tasks.

Side by side

Meta AIChatGPT
MakerMeta, built with Muse Spark from Meta Superintelligence Labs
OpenAI
Where it runsWhatsApp, Messenger, Instagram, Facebook, AI glasses, the Meta AI app and meta.ai
Not published
PlansFree for everyday use · Meta One Core $7.99 and Premium $19.99 add more image and video generation
Free $0 · Go $8 · Plus $20 · Pro $100, $200 or $500 · Business $25/user monthly ($20 annual, 2+ users) · Enterprise and Edu by sales
Thinking modeMuse Spark 1.1 since 2026-07-09
Not published
Models in the appNot publishedGPT-6 Sol and GPT-6 Luna replaced GPT-5.6 in ChatGPT on 2026-10-07 for free and paid plans · Codex and ChatGPT Work still run the September versions of GPT-6 Sol and Luna
GPT-6 Astra accessNot publishedPlus, Pro, Business and Enterprise plans
Agent and codingNot publishedChatGPT Work and Codex are included in every plan, on Free and Go with GPT-6 Luna in the desktop app, subject to rollout
Work and Codex usage limitsNot publishedPublished only for ChatGPT Work and Codex, which share one allowance, not for regular chat: on Plus about 15-160 local messages per 5 hours with GPT-6.1 Sol and 5-45 with GPT-6 Astra · Pro has no five-hour limit · weekly limits may apply

Scores appear side by side only when both were published for the same test. Settings differ between sources, so small gaps can reverse under another harness.

Updates

Meta AI

ChatGPT

19 recorded incidents in the last 90 days.

Plan change

ChatGPT Pro and Business add up to $500 a month in free API credits

Eligible ChatGPT Pro and Business subscribers can claim up to $500 per month in free API credits as a subscription benefit. The benefit is activated from ChatGPT or the API Platform by linking an API organization you own.

After

Up to $500 per month in free API credits

Who is affected:
ChatGPT Pro and Business subscribers who also use the API.
What to do:
Link an API organization you own in ChatGPT or the API Platform to claim the credits.

FAQ

Is Meta AI free?

Yes, for everyday use. Meta One Core at $7.99 and Premium at $19.99 a month add more image and video generation.

Which model does Meta AI use?

Meta AI is built with Muse Spark. Muse Spark 1.1 has powered Thinking mode in the Meta AI app and on meta.ai since July 9, 2026.

Is Meta AI better than ChatGPT?

No published test compares the two apps. As models, Arena voters rank Muse Spark 1.1, used in Meta AI's Thinking mode, above GPT-6 Astra for chat (22nd against 73rd). For web development, GPT-6 Astra ranks 2nd and Muse Spark 1.1 46th.

Where can I use Meta AI?

In WhatsApp, Messenger, Instagram, Facebook, AI glasses, the Meta AI app and meta.ai.

What does Meta One Premium include?

Everything in Core, with the most Meta AI image and video creation, for $19.99 a month.

How much does ChatGPT cost?

Free, Go at $8, Plus at $20 and Pro at $100, $200 or $500 a month.

Does ChatGPT Free include a coding agent?

Yes. ChatGPT Work and Codex come with Free, using GPT-6 Luna in the desktop app, still rolling out.

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Sources and method

Prices, specs and limits come from each maker's own pages. Benchmark scores come from independent benchmark publishers and the makers' announcements, with the setting each was measured in. Changes come from changelogs, deprecation pages and status pages. The summary is written from these facts only.