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VerdictPal · editorial desk · updated 5 Sep 2026VerdictPal
Compare · Head-to-head

Pick two tools. See the diff.

Stat bars are editorial heuristics, methodology linked — not a fake benchmark leaderboard. Put two dossiers side by side and see where each one breaks.
ToolsModels
Cross-category compare

You're comparing general-purpose assistant baseline and multimodal draft critic (ChatGPT) to revision pass, tone check, and style cleanup (Grammarly) — different categories (General AI assistant vs Writing & publishing). Little overlap on modalities or tracked capabilities. The stat bars still run — use this read for budget and privacy, not feature parity.

Compare · Tool A / Tool B·Head-to-head

ChatGPTvsGrammarly

These tools sit in different sets (General AI assistant vs Writing & publishing), so picking one over the other is mostly a question of which job you're doing. ChatGPT wins on privacy controls; Grammarly wins on speed. Both pass our quality gate. The right pick is the one whose strengths match the job you're trying to do.

ChatGPT · avg
66
wins 8 of 16
Grammarly · avg
63
wins 2 of 16
Fields differ
10
of 16 dossier rows
Receipts
18
sources + bench notes

Checked 2026-06-09 · ChatGPT·Checked 2026-06-09 · Grammarly

Dossier fields

Sixteen fields, side by side.

No.FieldChatGPTGrammarly
01Status · Editorial quality gateSolidSolid
02Editorial fit · 0–100 score68 / 10055 / 100
03CategoryGeneral AI assistantWriting & publishing
04Primary surfaceConsumer appConsumer app
05Modalities
  • Text
  • Image
  • Audio
  • Video
  • Data
  • Text
06Role in a stackGeneral-purpose assistant baseline and multimodal draft criticRevision pass, tone check, and style cleanup
07Best for
  • General-purpose drafting, critique, summarization, and multimodal exploration when you need the baseline assistant to compare against
  • Students who want one broad assistant for outlining, code help, file questions, images, audio, and study planning
  • Teams that can use Business/Enterprise controls rather than consumer chat for sensitive work
  • Workflows where connected services, GPTs/projects, Codex, and agents matter more than a narrow cited-search interface
  • A final grammar, tone, and clarity pass on essays, emails, and public-facing copy
  • Teams that need style guides, brand tone, snippets, knowledge sharing, and usage analytics
  • Writers who want inline help across Google Docs, Word, Gmail, Outlook, Slack, Salesforce, PowerPoint, LinkedIn, Teams, Sheets, Zendesk, Jira, and other surfaces
  • People who benefit from revision suggestions but still keep ownership of voice and citations
08Avoid if
  • You need API-only usage and are evaluating API economics, not the chat subscription
  • Institutional data rules forbid consumer cloud processing or model-improvement use
  • You require no-training and retention guarantees without a Business, Enterprise, Edu, Healthcare, Teachers, or API agreement
  • Your deliverable is source-grounded research and you will not independently open and verify citations
  • You want offline-only editing with no cloud text processing
  • You purchased legacy Premium via App Store / Google Play and need guaranteed Pro migration now
  • You need 150+ seats without moving to a larger-organization/enterprise sales path
  • You treat plagiarism/AI-writing indicators as institutional proof without policy review
09Capabilities tracked
  • General chat/reasoning
  • file uploads
  • multimodal text/image/audio/video/data
  • voice/video
  • Deep Research
  • ChatGPT Agent
  • Codex
  • Projects
  • GPTs
  • apps/connectors
  • Excel/Sheets extensions
  • Business admin controls
  • separate OpenAI API
  • Grammar/spelling
  • tone detection/adjustment
  • full-sentence rewrites
  • Free 100 AI prompts
  • Pro 2,000 AI prompts
  • plagiarism detection
  • style guides
  • brand tones
  • knowledge share
  • snippets
  • usage analytics
  • Pro 1–149 seats
  • Enterprise confidential mode
  • DLP
  • domain/app/client controls
  • MFA/custom security controls
  • Superhuman Go org controls
10Failure modes · Documented, not buried
  • Breadth can hide weak methodology
  • Consumer content can train models unless controls are changed
  • Business admins may access workspace content
  • Subscription and API economics are separate
  • Usage caps/guardrails/flexible pricing can interrupt workflows
  • Citations and browsing need independent verification
  • Suggestions can flatten disciplinary voice
  • Cloud processing sends draft text to Grammarly/Superhuman systems
  • Sensitive-field exclusion is best-effort, not a guarantee
  • Enterprise confidential mode only covers supported surfaces/workflows
  • Plagiarism/AI signals are not institutional proof
  • Generative rewrites can alter meaning/citations/hedges
11Evidence levelEditorial · hands-onEditorial · hands-on
12Sources verified · Receipts on the dossier
13Benchmark entriesNone recordedNone recorded
14Alternatives tracked
  • Claude
  • Gemini
  • Mistral Le Chat
  • Microsoft Copilot
  • OpenRouter
  • LanguageTool
  • Wordtune
  • Microsoft Editor
  • Notion AI
  • ChatGPT
15Pricing checked2026-06-092026-06-09
16Last verified2026-06-092026-06-09
16 metrics

Sixteen numbers, one shared midline.

ChatGPTvsGrammarly

These tools sit in different sets (General AI assistant vs Writing & publishing), so picking one over the other is mostly a question of which job you're doing. ChatGPT wins on privacy controls; Grammarly wins on speed. Both pass our quality gate. The right pick is the one whose strengths match the job you're trying to do.

  1. Editorial fit
    ChatGPT68Grammarly55
  2. Source quality
    ChatGPT55Grammarly52
  3. Citation honesty
    ChatGPT52Grammarly52
  4. Privacy controls
    ChatGPT40Grammarly36
  5. Value for money
    ChatGPT70Grammarly70
  6. Speed
    ChatGPT58Grammarly68
  7. Integration
    ChatGPT80Grammarly64
  8. Onboarding
    ChatGPT58Grammarly68
  9. Reliability
    ChatGPT70Grammarly70
  10. Feature depth
    ChatGPT100Grammarly100
  11. Data portability
    ChatGPT65Grammarly49
  12. Transparency
    ChatGPT98Grammarly100
  13. Ecosystem reach
    ChatGPT80Grammarly64
  14. Documentation
    ChatGPT55Grammarly52
  15. Independence
    ChatGPT40Grammarly36
  16. Affordability
    ChatGPT71Grammarly71
ChatGPT · avg 66 · wins 8 of 160avg 63 · wins 2 of 16 · Grammarly
EvidenceChatGPT 3 · Grammarly 0
  1. 01Editorial fit
    68
    55
  2. 02Source quality
    55
    52
  3. 03Citation honesty
    52
    52
  4. 04Privacy controls
    40
    36
PrivacyChatGPT 1 · Grammarly 2
  1. 05Value for money
    70
    70
  2. 06Speed
    58
    68
  3. 07Integration
    80
    64
  4. 08Onboarding
    58
    68
CapabilityChatGPT 1 · Grammarly 0
  1. 09Reliability
    70
    70
  2. 10Feature depth
    100
    100
  3. 11Data portability
    65
    49
  4. 12Transparency
    98
    100
Cost & fitChatGPT 3 · Grammarly 0
  1. 13Ecosystem reach
    80
    64
  2. 14Documentation
    55
    52
  3. 15Independence
    40
    36
  4. 16Affordability
    71
    71
TOOL A · ChatGPT
General AI assistant
ChatGPT
68/100
ROLEGeneral-purpose assistant baseline and multimodal draft critic
Editorial fit
68
Source quality
55
Citation honesty
52
Privacy controls
40
Value for money
70
Speed
58
FREEFree
$8/MOGo
$20/MOPlus
SolidVerified 2026-06-09VP·METHOD

General-purpose assistant baseline and multimodal draft critic — OpenAI’s general-purpose assistant for drafting, analysis, multimodal exploration, file work, coding, agents, and baseline AI comparison, with separate consumer, Business/Enterprise, and API trust boundaries.

TOOL B · Grammarly
Writing & publishing
Grammarly
55/100
ROLERevision pass, tone check, and style cleanup
Editorial fit
55
Source quality
52
Citation honesty
52
Privacy controls
36
Value for money
70
Speed
68
FREEFree
$30/MOper seat
$20/MOper seat
SolidVerified 2026-06-09VP·METHOD

Revision pass, tone check, and style cleanup — Cloud writing assistant for grammar, tone, rewrites, style guides, brand tone, AI prompts, plagiarism checks, and inline editing across browser, desktop, mobile, and workplace apps.

Privacy facets

Where each tool is actually private.

ChatGPTGrammarly
Training on your dataUnknownUnknown: Not recorded as a plan-wide guarantee. Check the dossier's privacy notes and sources.UnknownUnknown: Not recorded as a plan-wide guarantee. Check the dossier's privacy notes and sources.
EU data residencyUnknownUnknown: Not recorded as a plan-wide guarantee. Check the dossier's privacy notes and sources.UnknownUnknown: Not recorded as a plan-wide guarantee. Check the dossier's privacy notes and sources.
SOC 2 attestationUnknownUnknown: Not recorded as a plan-wide guarantee. Check the dossier's privacy notes and sources.UnknownUnknown: Not recorded as a plan-wide guarantee. Check the dossier's privacy notes and sources.
Local-first by defaultUnknownUnknown: Not recorded as a plan-wide guarantee. Check the dossier's privacy notes and sources.UnknownUnknown: Not recorded as a plan-wide guarantee. Check the dossier's privacy notes and sources.
Capability split

What each tool does uniquely.

Only ChatGPT13

  • General chat/reasoning
  • file uploads
  • multimodal text/image/audio/video/data
  • voice/video
  • Deep Research
  • ChatGPT Agent
  • Codex
  • Projects
  • GPTs
  • apps/connectors
  • Excel/Sheets extensions
  • Business admin controls
  • separate OpenAI API

Shared0

No overlap detected.

Only Grammarly17

  • Grammar/spelling
  • tone detection/adjustment
  • full-sentence rewrites
  • Free 100 AI prompts
  • Pro 2,000 AI prompts
  • plagiarism detection
  • style guides
  • brand tones
  • knowledge share
  • snippets
  • usage analytics
  • Pro 1–149 seats
  • Enterprise confidential mode
  • DLP
  • domain/app/client controls
  • MFA/custom security controls
  • Superhuman Go org controls
Failure modes

Where each tool breaks.

ChatGPT

  • Breadth can hide weak methodology
  • Consumer content can train models unless controls are changed
  • Business admins may access workspace content
  • Subscription and API economics are separate
  • Usage caps/guardrails/flexible pricing can interrupt workflows
  • Citations and browsing need independent verification

Grammarly

  • Suggestions can flatten disciplinary voice
  • Cloud processing sends draft text to Grammarly/Superhuman systems
  • Sensitive-field exclusion is best-effort, not a guarantee
  • Enterprise confidential mode only covers supported surfaces/workflows
  • Plagiarism/AI signals are not institutional proof
  • Generative rewrites can alter meaning/citations/hedges
Pricing

Pulled straight from each dossier.

ChatGPT

General AI assistant
  • FREEFree
  • $8/MOGo
  • $20/MOPlus

raw · Consumer Free/Go/Plus/Pro tiers on chatgpt.com · Business standard seat: USD 25/user/mo monthly or USD 20/user/mo annual in many countries, 2-seat minimum · Business/Enterprise flexible pricing and Codex-only seat caveats · OpenAI API separate per-token pricing.

Grammarly

Writing & publishing
  • FREEFree
  • $30/MOper seat
  • $20/MOper seat

raw · Free: USD 0 with 100 AI prompts · Pro annual: USD 12/member/mo billed annually or USD 144/year · Pro quarterly: USD 60/member/3 months · Pro monthly: USD 30/member/mo · Pro supports 1–149 seats · larger organizations route through Superhuman Go/enterprise-style controls.

Verdict

Which tool to actually pick.

These tools sit in different sets (General AI assistant vs Writing & publishing), so picking one over the other is mostly a question of which job you're doing. ChatGPT wins on privacy controls; Grammarly wins on speed. Both pass our quality gate. The right pick is the one whose strengths match the job you're trying to do.

Open ChatGPT's dossierOpen Grammarly's dossier
Try ChatGPT ↗Try Grammarly ↗

Questions this comparison answers

Every answer below is assembled from the dated fields on this page. Nothing is written separately for search.

Should you use ChatGPT or Grammarly?

These tools sit in different sets (General AI assistant vs Writing & publishing), so picking one over the other is mostly a question of which job you're doing. ChatGPT wins on privacy controls; Grammarly wins on speed. Both pass our quality gate. The right pick is the one whose strengths match the job you're trying to do.

What can ChatGPT do that Grammarly cannot?

Capabilities documented on the ChatGPT tool but not the Grammarly tool:

  • General chat/reasoning
  • file uploads
  • multimodal text/image/audio/video/data
  • voice/video
  • Deep Research
  • ChatGPT Agent
  • Codex
  • Projects
  • GPTs
  • apps/connectors
  • Excel/Sheets extensions
  • Business admin controls
  • separate OpenAI API

What can Grammarly do that ChatGPT cannot?

Capabilities documented on the Grammarly tool but not the ChatGPT tool:

  • Grammar/spelling
  • tone detection/adjustment
  • full-sentence rewrites
  • Free 100 AI prompts
  • Pro 2,000 AI prompts
  • plagiarism detection
  • style guides
  • brand tones
  • knowledge share
  • snippets
  • usage analytics
  • Pro 1–149 seats
  • Enterprise confidential mode
  • DLP
  • domain/app/client controls
  • MFA/custom security controls
  • Superhuman Go org controls

Is ChatGPT or Grammarly cheaper?

ChatGPT: Free Free · Go $8/mo · Plus $20/mo · Pro $200/mo · Business Custom · Enterprise Custom. Grammarly: Free Free · Pro (monthly) $30/mo · Pro (quarterly) $20/mo · Pro (annual) $12/mo · Enterprise Custom.

How do ChatGPT and Grammarly score against each other?

On editorial fit, ChatGPT scores 68 out of 100 and Grammarly scores 55 out of 100. The score is a fit judgement for source-heavy research work, not a quality ranking — read both dossiers before you pick.