Sapling

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Score8.9

Rank#4 of 88

From$1/mo

Free planYes

Free trialYes

Runs onAPI, Browser extension, Self-hosted, Web, Windows

Summary

Sapling combines writing assistance with developer tools for adding language model-powered functionality to applications. Its writing tools include grammar and spelling corrections, autocomplete, rephrasing, tone and sentiment checks, and AI content detection. It offers style suggestions and tone detection, with support for 14 languages. Developers can use HTTP API endpoints and SDK components, including Python and JavaScript client libraries. Sapling lists 73 integration guides, with examples for Zendesk, Salesforce, Slack, Google Docs, Microsoft Word, and browser extensions. It is available on the web, through browser extensions and Windows, via API, and in self-hosted deployments. Sapling says it uses TLS encryption in transit and AES-256 encryption at rest, and describes GDPR compliance and SOC 2 Type II certification. Enterprise accounts include audit logs, role-based access, and single sign-on; self-hosted deployments and custom retention options are available. The free plan includes AI detector limits. Paid writing assistance starts at 12.00 USD per user per month billed annually, and a 30-day trial is listed. API trials have a character limit and expire after one month; API pricing covers only some endpoints.

Who it is for

Sapling may suit teams seeking writing support across integrations, or developers adding language-model features through APIs and SDKs. Enterprise controls and deployment options may suit organizations with specific access, retention, or hosting requirements.

What is good

Writing tools include grammar correction and rephrasing.
Supports 14 languages.
SDK clients are available for Python and JavaScript.
Enterprise includes audit logs and role-based access.
Self-hosted deployment options are available.

What to know first

API trial has a character limit and expires after one month.
API pricing covers only a subset of endpoints.
Paid writing assistance starts at 12.00 USD per user per month, billed annually.

Verdict

Sapling spans writing assistance and developer tooling, with web, extension, Windows, API, and self-hosted options. Review API endpoint pricing and trial limits separately from writing-plan terms.

Sapling plans and pricing

All plans

Free Free billed monthly 2,000 AI detector characters per check · 5 AI detector files per batch · 20 snippets sapling.ai · 20 Sept 2026

Pro $25/mo Annual ($12 / mon) Advanced writing assistance · AI detector checks up to 100,000 characters per check · 10 files per AI detector batch · Unlimited snippets sapling.ai · 2 Oct 2026

Pro $12/yr Annual ($12 / mon) 100,000 AI detector characters per check · 10 AI detector files per batch · Unlimited snippets sapling.ai · 20 Sept 2026

Enterprise $15/mo Starts at 10 seats; pricing varies by seat count and contract duration Advanced writing and AI detection · Team controls · Analytics · Support · 100,000 characters per detector check sapling.ai · 2 Oct 2026

API $5/mo One-time $5 minimum Usage-based language APIs · AI detection APIs · Developer access sapling.ai · 20 Sept 2026

Free Not published Basic writing assistance · AI detector checks up to 2,000 characters per check · 5 files per AI detector batch · 20 snippets sapling.ai · 2 Oct 2026

Compared on grammar checkers

Free plan: Yessapling.ai
Browser extension: Yessapling.ai

Facts

Paid from: 12sapling.ai · 20 Sept 2026
Desktop app: Yessapling.ai · 20 Sept 2026
Style suggestions: Yessapling.ai · 20 Sept 2026
Tone detection: Yessapling.ai · 20 Sept 2026
Languages supported: 14sapling.ai · 20 Sept 2026
Product: Sapling provides an API/SDK toolkit for integrating language model-powered functionality into applications, alongside writing assistance for teams.sapling.ai · 2 Oct 2026
Writing tools: Its tools include grammar and spelling corrections, autocomplete, rephrasing, tone and sentiment checks, and AI content detection.sapling.ai · 2 Oct 2026
Developer access: The developer platform offers HTTP API endpoints and SDK components, including client libraries for Python and JavaScript.sapling.ai · 2 Oct 2026
Integrations: Sapling lists 73 integration guides, including integrations for Zendesk, Salesforce, Slack, Google Docs, Microsoft Word, and browser extensions.sapling.ai · 2 Oct 2026
Security: Sapling states that it uses TLS encryption in transit and AES-256 encryption at rest, and that it is GDPR compliant and SOC 2 Type II certified.sapling.ai · 2 Oct 2026
Healthcare and payment compliance: Sapling says it supports customers with HIPAA and PCI compliance requirements.sapling.ai · 2 Oct 2026
Enterprise controls: Enterprise accounts include audit logs, role-based access controls, and single sign-on; self-hosted deployments and custom data-retention options are available.sapling.ai · 2 Oct 2026
Data handling: Sapling says it discards numbers, email addresses, and URLs before processing, and offers an option where data is never stored on disk.sapling.ai · 2 Oct 2026
Deployment: The documentation says cloud-premises deployments support AWS, Azure, and GCP, while on-premises deployments require Docker containers.sapling.ai · 2 Oct 2026
Free trial: Individuals can start a free one-month Pro trial without a credit card; the billing FAQ says the trial cancels automatically if no payment method is added.sapling.ai · 2 Oct 2026
API trial limit: The API trial has a character limit and expires after one month.sapling.ai · 2 Oct 2026
API pricing limit: The API pricing page covers only a subset of endpoints and directs customers to sales for pricing on other endpoints and self-hosted solutions.sapling.ai · 2 Oct 2026
Support: The pricing page lists email and ticket support for paid tiers, and dedicated support contact for Enterprise.sapling.ai · 2 Oct 2026
Company background: Sapling says the team's work comes from the Berkeley and Stanford AI labs and that the company is backed by Y Combinator and partnered with OpenAI.sapling.ai · 2 Oct 2026