How much does Grammarly cost?

Free $0 (100 AI prompts/mo); Pro $12/mo with 2,000 prompts and a 7-day trial — per grammarly.com/plans.

Is there a free version of Grammarly?

Yes — Free covers grammar, spelling and 100 AI prompts monthly.

Who is Grammarly best for?

Professionals who write in many different apps and need quality control everywhere.

INDEX / WRITING_COMMUNICATIONS / GRAMMARLY v2026.1-PROD

NODE: US-EAST-EVAL-04

MERKLE: 0x9E4B...7A1C

schedule SYNC 32s AGO

Grammarly

(2026 Strategic Communication Agent) SOC2 TYPE II

Context-Aware Enterprise Communication Assistant: Executive Tone Alignment, Pragmatic Context Rewriting, Multilingual Style Synthesis, and Corporate Brand Governance.

TIER 0 ENTERPRISE WRITING CONTEXTUAL PRAGMATIC PARSER ENTERPRISE BRAND POLICIES ZERO RETENTION ENCLAVE

Airecmark Composite

83.1 / 100

30-day velocity score

RANK #1 COMM_VOICE

military_tech Rank Status: Enterprise Brand Leader

Keystroke Latency bolt

— ms

Ultra-low latency local browser WASM execution + Edge LLM streaming sync.

Tone Alignment

— ±0.2% drift variance

Deterministic adherence to executive, authoritative, and empathetic guidelines.

Hallucination Guard verified_user

—

Syntax and style suggestions strictly anchored in input text semantics.

Surface Coverage devices

500,000+ Universal Native Hooks

Active desktop apps, browsers, email clients, IDEs, and terminal environments.

Evaluation Protocol 2.1

Empirical Intelligence Vectors

Algorithmic stress tests executed over 100,000 corporate comms threads across Fortune 500 email, Slack, and document pipelines.

record_voice_over Executive Tone & Politeness Calibration —

Target: Executive clarity with empathetic de-escalation posture.

compress Complex Contextual Paraphrasing & Brevity —

45% reduction in reading time without information loss.

Enterprise Style Guide & Glossary Enforcement

Zero unauthorized trademark, SKU, or confidential phrase leaks.

translate Multilingual Cross-Lingual Nuance Correction —

Native idiomatic styling across English, Spanish, German, French, and Japanese.

Security & Sensitive Data Redaction (DLP)

Automatic regex and contextual entity stripping before cloud dispatch.

grammarly-telemetry-stream.log

[14:22:01.092] STREAM_INIT: Hook attached to Slack Electron process [PID 41088]

[14:22:01.134] LOCAL_WASM: AST parse complete: 48 tokens (4.1ms)

[14:22:01.149] EDGE_EVAL: Tone match target: [DIRECT, EMV=0.91]

[14:22:01.176] PII score: 0.000 (No credit card or SSN detected)

[14:22:01.182] SUGGESTION: Replaced passive construction "was done by" -> "executed"

Real-Time Tone Vector Composition

94% Assertive

— Friendly

— Clear

30-Day Tone Drift Variance: 0.08σ (Negligible)

Subsystem Decompilation

Quantitative Technical Architecture

How Grammarly executes continuous pragmatic inference at zero typing latency across sovereign client devices.

memory

Edge-First Keystroke Parser

WASM-powered real-time syntax tree parsing executed directly inside client browser memory, offloading heavy semantic reasoning only for macro sentence restructuring.

MEM_FOOTPRINT: < 28MB

policy

Corporate Brand Voice Enforcer

Ingests enterprise style guides, acronym libraries, and PR communication charters, automatically correcting prohibited terminology and flagging brand compliance violations in real-time.

RULE_INDEX: 45,000 TOKENS HOT-RELOADABLE

auto_fix_high

Strategic Suggestion Re-writer

Beyond basic grammar: rewrites whole communication threads for specific business outcomes, including closing enterprise sales, resolving customer disputes, and generating C-suite executive summaries.

INTENT_HEURISTICS: 84 CLASSIFIERS

lock_clock

Enterprise DLP & Zero-Storage Enclave

Outgoing drafts are sanitized against PII/PCI rules in transit; zero customer text is stored on disk or used for underlying LLM fine-tuning or foundation training.

CRYPTOGRAPHIC_ATTESTATION: ENCLAVE-V2

Deterministic Benchmarks

Direct Peer Comparison Matrix

Empirical benchmarking of enterprise writing agents across latency, ecosystem ubiquity, and pricing.

Updated: Daily Run #8,421

Engine / Tool	Airecmark Score	Keystroke Latency	Ecosystem Reach	Commercial Base	Analyst Verdict
Grammarly (2026) TARGET	—	— ms	Universal Apps / Web / Native	$15.00 / mo	Best Real-Time Ubiquitous Communication Assistant
Wordtune	—	— ms	Browser Extension Only	$9.99 / mo	Strong creative sentence rewording
QuillBot	—	— ms	Web App / Extension	$8.33 / mo	Cost-effective paraphraser for students & teams
Jasper AI	—	— ms	Marketing Web App	$39.00 / mo	Long-form marketing copy generator
Copy.ai	—	— ms	SaaS Platform / API	$36.00 / mo	GTM & sales workflow automation

Packaging Matrix

Commercial Plans & Compute Allocation

Predictable tiered allocation designed for individual contributors through global enterprise workspaces.

Free Tier

BASIC

$0 / forever

check Basic grammar & spell checking
check Conciseness suggestions
check 100 AI prompts / month

Premium

PRO

$15.00 / month

Billed annually at $180/yr

check_circle Full tone detection & rewriting
check_circle Vocabulary enhancement engine
check_circle 1,000 AI prompts / month
check_circle Full sentence rewrites

Business

TEAM

$25.00 / seat / mo

Min. 3 seats required

check Centralized Style Guide
check Custom Brand Tones
check Admin analytics dashboard
check SAML 2.0 & SSO integration

Enterprise

SOVEREIGN

Custom SLA terms

Unlimited organization seats

check Dedicated Customer Success Manager
check Custom LLM guardrails
check HIPAA & SOC2 Type II compliance
check Self-hosted enclave deployment

psychology

format_quote Analyst Consensus Verdict

“Grammarly has ceased being merely a spell-checker. In its 2026 iteration, it acts as an ambient cognitive coprocessor that aligns enterprise brand voice, accelerates consensus, and guarantees zero data-leakage across every active software layer.”

Evelyn Vance Chief Communications AI Architect • AIRECMARK LABS

SIG: 0x3A7F...882E