Nitrosend is the better choice than Brevo on the three things this review compares that decide how email gets run from now on: running email from an AI agent, on-brand design without a designer, and cost as the list grows. Both products price by the emails sent rather than the contacts kept, and both put receipts and newsletters on one plan, which is why this is the closest comparison in the set. Nitrosend leads 77.5 to 76 out of 100, a gap of a point and a half, and Brevo wins three of the seven tests: the free plan, the hands-on editor, and integrations and support. The difference is who does the work. Brevo is a broad platform a person runs from a web app. Nitrosend is built so an agent inside Claude, ChatGPT, Cursor or Codex writes, designs and sends the email, for less at every volume checked. To send email from an AI agent with Nitrosend, add its MCP server at api.nitrosend.com/mcp to Claude, ChatGPT, Cursor or Codex and sign in with OAuth. The agent can then draft campaigns and flows, which stay drafts until they are approved, and a single transactional email sends on the call.
Nitrosend vs Brevo, compared
The quick version: eight yes-or-no questions a team usually asks when choosing between the two. A tick means the product does it as described on its own pages today. A dash means the honest answer is not a yes or a no.
Nitrosend and Brevo, side by side
Checked September 25, 2026| Question | Nitrosend | Brevo |
|---|---|---|
| Send a campaign from the chatCan an agent send a marketing campaign without anyone opening the web app? | Yes. Yes, through the MCP server. Campaigns stay drafts until approved. | Not a yes or no. Its MCP server creates and manages email campaigns. Its docs list no module for automations. |
| Official MCP serverIs there a first-party MCP server for marketing email? | Yes. Yes. Listed as com.nitrosend/nitrosend on the official MCP registry. | Yes. Yes, remote-hosted, with 27 modules. |
| Brand voice learned from your siteDoes it learn your tone of voice as well as your colors and fonts? | Yes. Yes. Brand Kit captures voice and AI Memory keeps house style. | No. No. The brand library fetches logo, colors, fonts and links. |
| Unsubscribes are freeDo contacts who unsubscribed stop counting toward the bill? | Yes. Yes. Contacts are unlimited on every plan. | Yes. Yes. The bill follows emails sent. |
| Transactional includedAre receipts and resets in the same plan as newsletters? | Yes. Yes, on every plan including Free. | Yes. Yes, on every plan including Free. |
| Automations on the entry paid planDoes the cheapest paid plan include automated flows? | Yes. Yes. Flows run on every plan, Free included. | No. No. Starter has none. Automation starts on Standard. |
| Free plan past 500 emails a monthDoes the free plan keep sending more than 500 emails a month? | Not a yes or no. 8,000 emails to start, then 500 a month. | Yes. Yes, 300 emails a day. |
| Mature drag-and-drop editorIs there a polished visual editor for a person building by hand? | Not a yes or no. A block builder exists. The agent is the main way in. | Yes. Yes, with templates and a brand library. |
Nitrosend meets 6 of 6 yes-or-no questions on this page, Brevo 5 of 7. Rows marked with a dash are not a yes or no question for that product.
How the two score
Seven tests, 100 points in all. Each product gets a score out of 10 on each one, and the total adds each score times the points for that test. The two products tie on transactional and marketing email in one plan, and Nitrosend leads the total 77.5 to 76, close enough that the tests a team cares most about should decide it.
Each test, scored
Points out of 100, scores out of 10, September 25, 2026| What we compared | Points | Nitrosend | Brevo |
|---|---|---|---|
| Run from an AI agent | 20 | 9 out of 10 | 7 out of 10 |
| On-brand design, no designer | 10 | 9 out of 10 | 7 out of 10 |
| Cost as the list grows | 20 | 9 out of 10 | 7 out of 10 |
| Free plan headroom | 10 | 7 out of 10 | 8 out of 10 |
| Transactional and marketing, one plan | 10 | 9 out of 10 | 9 out of 10 |
| Hands-on editor and templates | 15 | 6 out of 10 | 8 out of 10 |
| Integrations, support, track record | 15 | 5 out of 10 | 8 out of 10 |
| Total score | 100 | 77.5 out of 100 | 76 out of 100 |
Where each one runs out
Rank 1Nitrosend
77.5 out of 100Total
- Priced by
- Emails sent
- Free plan
- 8,000 emails, then 500 a month
- Entry plan
- $20 a month, 20,000 emails
- Run from an AI agent9 out of 10Official MCP server runs campaigns, flows and sends from the chat; campaigns and flows stay drafts until approved (MCP registry).
- On-brand design, no designer9 out of 10Brand Kit scans the site for colors, fonts and voice, and applies them to every draft on every plan (docs).
- Cost as the list grows9 out of 10Unlimited contacts on every plan. $20 a month for 20,000 emails, $100 for 125,000 (pricing).
- Free plan headroom7 out of 108,000 emails to start, then 500 a month, unlimited contacts. New accounts start at 100 recipients per rolling 24 hours (pricing).
- Transactional and marketing, one plan9 out of 10Transactional and marketing email share one allowance and one API on every plan, Free included (pricing).
- Hands-on editor and templates6 out of 10A block builder exists for editing by hand, but it is plainer, because the agent is the main way in.
- Integrations, support, track record5 out of 10Shopify, Stripe, HubSpot, Attio and Mailchimp, five bring-your-own sending providers, a Node SDK, a CLI and signed webhooks for transactional email, but a young product from a small team (docs).
Nitrosend
Ask your agent for the next campaign
Connect Nitrosend to Claude, ChatGPT, Cursor or Codex, point Brand Kit at your site, and describe the email. Contacts are unlimited on every plan.
Free: 8,000 emails to start, then 500 a month. No credit card.
Start free
Rank 2Brevo
76 out of 100Total
- Priced by
- Emails sent
- Free plan
- 300 emails a day, 100,000 contacts
- Entry plan
- $9 a month, 5,000 emails
- Run from an AI agent7 out of 10Official MCP server manages campaigns, contacts and templates, but lists no module for automations (Brevo developers).
- On-brand design, no designer7 out of 10Brand library fetches logo, colors, fonts and links from your site into the editor, not voice (Brevo help).
- Cost as the list grows7 out of 10Priced by sends too, with 500,000 contacts from 20,000 emails. Standard is $69 for 20,000, $139 for 100,000 (pricing).
- Free plan headroom8 out of 10300 emails a day, up to 100,000 contacts, transactional email included, free forever (Brevo help).
- Transactional and marketing, one plan9 out of 10Every plan, Free included, has transactional email by API and SMTP in the same volume (pricing FAQ).
- Hands-on editor and templates8 out of 10Drag-and-drop editor and templates, 4.5 of 5 across 2,722 reviews, Ease of Use the top tag (G2).
- Integrations, support, track record8 out of 10150+ integrations, SMS, WhatsApp and a CRM in one account, phone support on Professional (pricing).
The verdict in short
Brevo is only better on three: the free plan, because 300 emails a day and 100,000 stored contacts go further than Nitrosend's; the hands-on editor, because its drag-and-drop builder is more mature; and integrations and support, because 150+ integrations, SMS, WhatsApp, a CRM and phone support come in one account.
Brevo's free plan and breadth are real advantages. George Hartley, Nitrosend's co-founder, sees that breadth as the hard part to make agent-first. On SaaS Stories in September 2026 he said "the amount of kind of feature bloat and the kind of legacy stuff you have to support means that they just can't reorg the whole thing to be agent first." On The Breakout CEO in August 2026 he said the big platforms "have a massive feature set", and that re-engineering one to run from MCP "is, is kind of almost an impossible task." He did not name the platforms he tried, so read it as his view of the category, and test Brevo's MCP against your own jobs.
At a glance
Nitrosend and Brevo are scored here on the same 7 tests, 100 points in all: Nitrosend 77.5 out of 100, Brevo 76 out of 100. Nitrosend takes its best score on Run from an AI agent and On-brand design, no designer and Cost as the list grows and Transactional and marketing, one plan (9 out of 10) and its lowest on Integrations, support, track record (5 out of 10). Brevo takes its best score on Transactional and marketing, one plan (9 out of 10) and its lowest on Cost as the list grows (7 out of 10). Brevo scores higher on Free plan headroom and Hands-on editor and templates and Integrations, support, track record. Scores are unadjusted, and every Brevo figure was read on its own site on September 25, 2026.
How we scored
Each test is a question with one answer per product, checked against that product's own pages and independent review sites on September 25, 2026. A 10 means the product does the job fully on its standard plans. A 5 means it does part of it, or does it only on a higher plan or in a second product. Brevo prices are monthly list prices in US dollars, not the yearly rate its pricing page opens on.
Run from an AI agent, 20 of 100. Can an agent inside Claude, ChatGPT, Cursor or Codex compose a marketing campaign, test it, and send it, with no person opening the web app between the prompt and the send? An approval step the person answers in the chat counts as inside the agent. Moving into the web app to finish does not. Scored on one written rule for every vendor: a first-party server the vendor runs and that can send counts fully; a third-party wrapper (Zapier, Composio, Kanopi, community servers) counts for less; a server that only drafts or reads counts for less than one that sends.
On-brand design, no designer, 10 of 100. Does the product learn your logo, colors, fonts and voice from your own site and apply them to every email it drafts, on the plan most small teams start on?
Cost as the list grows, 20 of 100. What does the bill do when the list grows but the number of emails you send does not? Scored on published list prices, before any promotional discount.
Free plan headroom, 10 of 100. How far can a team get on the free plan before it has to pay: contacts, total sends, and the daily ceiling.
Transactional and marketing, one plan, 10 of 100. Can receipts, password resets and newsletters go out from one account, on one bill, through one API?
Hands-on editor and templates, 15 of 100. For a person who wants to build the email themselves: how mature are the visual editor and the template library?
Integrations, support, track record, 15 of 100. How many tools does it plug into, what support comes with the plan, and how long has it been doing this at scale?
What each one costs in 2026
Brevo and Nitrosend share a pricing model, which is rarer than it should be. Brevo sells monthly email volume, and from 20,000 emails a month every Starter and Standard tier stores up to 500,000 contacts. Below that, contacts are capped: 1,500 on the 10,000-email tier and 2,500 on the 15,000-email tier. Marketing automation starts on Standard, not Starter. This review prices Brevo on Standard because Nitrosend's $20 plan includes automated flows, so Standard is the fair match in what the plan can do.
Nitrosend does not charge for contacts on any plan. Its pricing page is built on the same idea, that a business should pay for the emails it sends rather than the people it stores, and Nitrosend's plans land lower at every volume in the table below. The full comparison of models is in what email marketing actually costs.
Two details of Brevo's billing matter as a list grows. The emails in a Brevo plan expire at the end of each billing month, and on the small tiers the contact cap also blocks a move down: an account holding more contacts than a lower tier allows has to delete contacts before it can switch to it. Nitrosend bills past the allowance at $0.19 per 100 extra emails on Pro and $0.15 on Ultra.
Here is what that looks like for a list that sends two campaigns a month.
What each one costs
List prices, USD, September 25, 2026| Scenario | Nitrosend | Brevo |
|---|---|---|
| 10,000 contacts, two campaigns a month (20,000 emails) | Pro, $20 a month (20,000 emails) | Standard $69 a month, or Starter $32 without automation |
| 50,000 contacts, two campaigns a month (100,000 emails) | Ultra, $100 a month (125,000 emails) | Standard $139 a month |
| 100,000 contacts, two campaigns a month (200,000 emails) | Ultra plus 75,000 extra emails at $0.15 per 100, $212.50 a month | Standard $249 a month (250,000-email tier) |
| Add 25,000 transactional emails a month | Counted in the same allowance | Counted in the same email volume |
Watch the toggle when checking Brevo's pricing page yourself. It opens on yearly billing, 10% lower, so the first numbers a visitor sees are not the monthly price. A new Nitrosend account also starts on a lower daily recipient limit that rises as it earns sending standing, so a large list does not all go out on day one.
Where Brevo is the better pick
Brevo takes three of the seven tests outright.
- The free plan. 300 emails a day, up to 100,000 stored contacts, transactional email and automation for up to 2,000 contacts, with no time limit. Nitrosend's Free plan starts with 8,000 emails and then drops to 500 a month, so a small sender who needs a steady few thousand emails a month for nothing is better off on Brevo. Two catches for anyone sending from an assistant. A campaign to more than 300 people reaches only 300 on the day, and the rest go out only when someone resends it with the Requeue option, up to 300 a day. And receipts draw on the same 300: once the day's limit is reached, up to 1,000 more transactional emails wait in a retry queue and anything past that is not delivered, so a 300-person campaign in the morning leaves the afternoon's password resets in that queue.
- The editor. A drag-and-drop builder with industry templates, reusable sections and a brand library. Ease of Use is the top praise tag on G2, where 2,722 reviews average 4.5 out of 5.
- The ecosystem. 150+ integrations, SMS, WhatsApp, live chat and a sales CRM in one account, and phone support on Professional. Nitrosend has five data integrations and five sending providers, and it is a small team.
Brevo is also further along on agents than most platforms. Its official MCP server is remote-hosted and splits into 27 modules, from contacts and campaigns to the CRM. What it does not list is a module for automations or workflows, and its brand library carries colors, fonts and a logo but not tone of voice.
That is where Nitrosend's lead comes from. Its MCP server has one tool to compose campaigns and another to compose flows, so the automations Brevo's server leaves out are built from the same chat, and the campaign tool makes a draft that never goes out until a separate approval. The design is part of it too: Brand Kit holds the brand's voice and the physical address CAN-SPAM requires in the footer alongside its colors, fonts and logo, so the agent's first draft already sounds like the brand. The AI email marketing guide covers what that looks like week to week.
Moving from Brevo to Nitrosend
Both products already carry receipts and newsletters on one plan, so a move from Brevo is mostly contacts, flows and the sending domain.
- Contacts. The fastest route is API key to API key: the assistant reads contacts out of Brevo with a Brevo key and writes them into Nitrosend with a Nitrosend key. Check Brevo's IP security first. Brevo blocks API calls from unknown IP addresses once an account's API traffic has gone 30 days without a new address, so an assistant calling from a new laptop network or a cloud sandbox is refused until that address is authorized under Settings, Security, Authorized IPs. A CSV export and import works too. Bring consent status across, because only subscribed contacts should be sendable.
- Automations. Brevo's MCP server lists no module for automations, so the assistant cannot read the old workflows out. Write each one down first, with its trigger, waits and emails, then describe it to the agent, which rebuilds it as a draft flow. Check each one before it is approved.
- Transactional. Point the app's receipts and resets at the Nitrosend API. Both products send them from the same plan, so nothing new has to be bought.
- Sending. Verify the domain first, then send to the most engaged contacts before the rest, because reputation belongs to the sending domain and does not move with the list. The domain warm-up guide covers the ramp.
- Run both. Brevo can send one last campaign while transactional email and new flows move over first.
Which one to pick
Pick Brevo if the business needs a free plan that keeps sending a few thousand emails a month, a person builds each email by hand in a visual editor, or SMS, WhatsApp, live chat and a CRM belong in the same account.
Pick Nitrosend if an agent should write, design and send the email and build the automations from the assistant the team already uses, the brand's voice matters as much as its colors, or the aim is the lowest bill at 20,000 emails a month and up. The Nitrosend MCP server and the ChatGPT app are the two ways most teams start.
Nitrosend vs Brevo FAQ
Yes, at every volume checked. At 20,000 emails a month Nitrosend Pro is $20 and Brevo Standard is $69, or $32 on Starter without automation. At 100,000 emails it is $100 on Nitrosend Ultra against $139 on Brevo Standard, at monthly list prices.
Not directly. Brevo prices by monthly email volume, and from the 20,000-email tier up a plan stores up to 500,000 contacts. The smallest tiers cap contacts at 500, 1,500 or 2,500.
Yes. Brevo runs an official remote MCP server with 27 modules, covering contacts, lists, segments, email campaigns, templates, transactional templates, SMS and WhatsApp campaigns and its CRM. It connects with an MCP token made in the API keys screen. Its documentation does not list a module for automations.
Add the Nitrosend MCP server at api.nitrosend.com/mcp as a connector in Claude and sign in with OAuth, with no API key to paste. Then ask Claude for the campaign or flow. It is saved as a draft and goes out only once it is approved, while a single transactional email, such as a receipt, sends on the call. Brevo's contacts can come across first, by CSV or API key to API key.
For steady sending, yes. Brevo's Free plan sends 300 emails a day with up to 100,000 contacts, though receipts and campaigns share that 300, a larger campaign has to be requeued by hand each day, and transactional email past the limit waits in a 1,000-email retry queue before the rest is dropped. Nitrosend's Free plan gives 8,000 emails up front and then 500 a month, with unlimited contacts and the full MCP, API and CLI.
Yes, by CSV or API key to API key with the agent running the transfer. Bring consent status across so only subscribed contacts are sendable.
Sending reputation belongs to the domain and does not move with the list. Verify the domain, send to the most engaged contacts first, and let the daily limit ramp. This review does not score deliverability, because neither product publishes a comparable inbox-placement number.