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OpenReply

Freemium#21 of 28 in AI Email Writing Tools

OpenReply: A Gmail-focused AI writer with model choice, tone controls, and credit-based pricing. Ranked #21 of 28 in AI Email Writing Tools by our editors (6.3/10); pricing: Free plan; best for gmail users wanting model choice.

6.3/10Editor score

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At a glance

Editor score
6.3 / 10
Pricing
Free plan
Best for
Gmail users wanting model choice
Free plan
Yes
Tone controls
Yes
Facts checked
20 Sep 2026

Where it wins
- Generates contextual replies from Gmail email threads
- Offers multiple AI models and per-message model switching
- Inserts drafts directly into Gmail with tone controls
Where it doesn't
- Works with Gmail rather than multiple mail clients
- Pay-as-you-go costs vary by selected AI model
- Custom writing instructions are not part of the published feature set

Our verdict on OpenReply

OpenReply is a Chrome extension for Gmail users who want AI assistance while writing email. It generates contextual replies from current Gmail threads, composes new messages, and rewrites existing text. Users can choose among multiple AI models, select tones such as professional, casual, concise, or detailed, and insert generated drafts directly into Gmail. An API is also listed among its platforms, while Gmail is the supported mail client.

Its pricing structure gives buyers several ways to start. The Starter plan includes free starter credits, requires no card, and provides 200+ replies to start. Pay as you go uses credits for each AI reply, with costs varying by selected AI model and optional auto top-up available. The Monthly subscription is optional and adds 15% bonus credits. This approach suits occasional users who want to begin without a card, as well as regular users who prefer a subscription-based credit bonus, but usage depends on the selected model and the number of replies needed.

OpenReply’s main strength is its focused Gmail workflow: it works from the current thread, supports guided prompts and tone controls, and places the result in the compose interface. The service says email content is processed temporarily and not stored. Its narrow platform scope is also the key limitation. Buyers who live in Gmail and value model choice should find the feature set relevant; teams seeking broad mail-client coverage or reusable custom writing instructions should consider a tool with those capabilities instead.

Your product? Our editors can test OpenReply in depth and publish a review, labelled as paid · from $149/mo →

OpenReply pricing

Plans Free planFreemium A usable free plan; paid tiers unlock the limits above. Prices checked 20 Sep 2026.

See plans on openreply.ai

All 3 OpenReply plans and prices →

OpenReply fact sheet

Free plan	Yes
Paid from	Not verified
Tone controls	Yes
Custom instructions	Not verified
Email context input	Thread
Browser extension	Yes
Mail client support	Gmail
Supported languages	Not verified
Money-back guarantee	14 days
Deployment	Cloud, Browser extension
Platforms	Chrome extension
Support	Email
Built for	Solo, Small business, Enterprise (editorial estimate)
Integrations	6 integrations: Gmail, Google OAuth, OpenAI, Anthropic, Google, Stripe
Pricing	Free plan (source)
Website	openreply.ai
Facts checked	20 Sep 2026

OpenReply integrations

OpenReply lists 6 integrations on its own site.

Gmail
Google OAuth
OpenAI
Anthropic
Google
Stripe

Alternatives to OpenReply

See all OpenReply alternatives →

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The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used OpenReply for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.

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Featured on iTechGuides

OpenReply is listed in our AI Email Writing Tools directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Last updated 7 Oct 2026 · How we research and update