Greptile Review 2026: Pricing, Features, Pros & Cons
Writing code stopped being the bottleneck; reviewing it did not. Greptile is the AI reviewer that indexes your whole repository as a graph and sends a swarm of agents at every pull request — and it is one of the last serious ones still independent of a coding-agent vendor. Here is what it costs and where the credit meter bites in 2026.
Quick Verdict
Best for: Teams shipping a lot of agent-written code who want a reviewer that understands the whole repo, learns their standards, and is not sold by the same vendor as the agent that wrote the diff. Watch the credit maths if your team merges more than ~50 PRs per developer per month.
What Is Greptile?
Greptile is an AI code reviewer that runs on your pull requests. The pitch is that it works with full context of the codebase rather than the diff: it first builds a graph index of the repository — files, functions and the dependencies between them — and only then reviews. A swarm of parallel agents reads the change, assesses its impact beyond the lines that moved, and leaves comments. Greptile says over 22,000 teams use it, and names Substack, Klaviyo, Retool, NVIDIA, Brex, Scale, PostHog, Mintlify, Zapier and WorkOS on its homepage.
The third step is the one that separates it from a linter with a language model bolted on: Greptile reads your own engineers' PR comments over time and adjusts to your team's standards. You can also write custom rules in plain English and point the reviewer at repo-specific context, which means the enforcement layer is prose your staff engineer can edit rather than a config file that rots.
The strategic positioning is worth noting on its own. Greptile markets itself as “the central validation layer” — deliberately neutral, designed to work with every coding agent. In a year when Cursor bought Graphite and GitHub ships its own reviewer, being the reviewer that is not owned by the vendor whose agent wrote the code is an actual product feature, not just a positioning line.
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Greptile Pros & Cons
✓ Pros
- •Indexes the whole repository as a graph of files, functions and dependencies before reviewing, so comments reason about impact beyond the diff rather than reading the patch in isolation
- •A swarm of parallel agents reviews each PR, which is why multi-file logical bugs — the class human reviewers miss most — show up in the comment thread rather than in production
- •Learns your standards by reading your own engineers' PR comments over time, so the review converges on your house style instead of a generic lint opinion
- •Custom rules are written in plain English and pointed at repo-specific context, no DSL to learn and no config file to keep in sync
- •Deliberately model- and agent-neutral — Greptile positions itself as the validation layer for code written by any coding agent, which matters when your editor vendor also sells you the reviewer
- •The free Starter tier is genuinely usable: unlimited repositories and 50 credits a month for one active developer, not a 14-day countdown
- •Free for qualified non-commercial open-source projects under MIT or Apache licences, and 50% off for pre-Series A startups under $2M revenue in the last 12 months
- •Published bug examples are verifiable — Greptile links to the actual review comments it left on public PRs in NVIDIA DALI, Meta's PyTorch OpenEnv and Solana's Kora, which is a rarer form of proof than a testimonial
✗ Cons
- •Credits, not seats, are the real cost driver: 50 credits per seat per month covers 50 standard reviews, and any team merging more than about two PRs per developer per working day pays $1 per extra review on top of the subscription
- •A TREX review costs 3 credits, so the deeper review mode burns the monthly allocation in 16 uses — you will be rationing the best thing the product does
- •Nothing on the pricing page says credits roll over, so an under-used month is most likely forfeited; confirm this with sales before committing to an annual contract
- •Self-hosting, SSO/SAML, GitHub Enterprise support and a custom DPA are all Enterprise-only and behind a sales call, with no published price
- •The Pro tier's combination of '$30/seat/month' and 'Unlimited Users' is genuinely ambiguous on the pricing page — you need to ask whether a non-reviewing user consumes a seat
- •Starter is capped at one active developer, so the free tier ends the moment a second person on your team wants their PRs reviewed
- •Annual or multi-year discounts exist but are quote-only, so a small team cannot self-serve the discount the way it can on Graphite or CodeRabbit
- •It reviews and tests pull requests — it does not write the fix for you end to end the way an in-editor agent does, so it is an addition to your bill rather than a replacement for one
Greptile Pricing 2026
Starter
- •Unlimited repositories
- •50 credits per month
- •1 credit = 1 standard review
- •3 credits = 1 TREX review
- •1 active developer
Solo developers and side projects
Pro
- •Unlimited repositories
- •50 credits included per seat
- •$1 per additional credit
- •Custom rules in plain English
- •Unlimited external app connections
Teams that merge steadily and want their own standards enforced
Enterprise
- •Option to self-host in your infrastructure
- •SSO/SAML
- •GitHub Enterprise support
- •Dedicated Slack support channel
- •Custom DPA, invoicing and terms
Regulated orgs and anyone who cannot send code to a vendor
Pricing transcribed from greptile.com/pricing in August 2026. Paid plans start with a 14-day free trial. Annual and multi-year contracts are quote-only. Qualified non-commercial MIT/Apache open-source projects can apply to use Greptile free, and pre-Series A startups under $2M trailing revenue can apply for 50% off.
The credit maths, before you sign
The seat price is not the number to plan against. Pro includes 50 credits per seat per month and charges $1 for every credit after that, so the bill is a function of how often your team merges. A developer who opens 30 pull requests a month never touches the overage. A developer on a trunk-based team opening 100 small PRs a month costs $30 in seat fee plus roughly $50 in credits — and that is before anyone uses TREX, which costs 3 credits a run and therefore exhausts the whole monthly allocation in 16 reviews.
That shape is a genuine advantage for the majority of teams and a genuine liability for the highest-velocity ones, which is the opposite of how most per-seat SaaS behaves. Before committing, pull your merged-PR count per developer for last month from GitHub, multiply, and compare against a flat per-developer competitor. Also ask sales two questions the pricing page does not answer: whether unused credits roll over, and whether the “Unlimited Users” line on Pro means a non-reviewing collaborator consumes a seat.
Greptile vs CodeRabbit vs Graphite
| Feature | Greptile | CodeRabbit | Graphite |
|---|---|---|---|
| Entry paid price | $30/seat/mo | Per-developer subscription | $20/user/mo (annual) |
| Usable free tier | ✅ 50 credits, 1 active dev | ✅ Limited free tier | ✅ Hobby, personal repos |
| Whole-repo graph index | ✅ Files, functions, dependencies | ✅ Repo context | ✅ Repo context |
| Metered by review | ⚠️ Credits, $1 each over cap | ❌ Flat per developer | ❌ Unlimited on Team tier |
| Learns from your PR comments | ✅ Core feature | ✅ Learnings | ⚠️ Rules and customization |
| Stacked PRs / merge queue | ❌ Review only | ❌ Review only | ✅ Built around it |
| Self-hosting | ✅ Enterprise | ✅ Self-hosted option | ❌ Not offered |
| Owned by a coding-agent vendor | ❌ Independent | ❌ Independent | ⚠️ Acquired by Cursor |
| Free for OSS | ✅ MIT/Apache, non-commercial | ✅ Free for open source | ⚠️ Hobby tier only |
Greptile Key Features in Depth
The graph index, and why it changes what gets caught
Greptile builds a graph of the repository — files, functions and the dependencies between them — before it reviews anything. That is the mechanism behind the class of bugs it publishes as examples: an unbalanced CUDA release that wipes a context, an undefined method that breaks every call to step(), a mid-loop overflow that orphans keys. None of those are visible in the diff alone; you find them by knowing what else calls the thing that changed. If your evaluation of AI reviewers so far has been “it flags style and misses the real bug,” this is the specific claim to test.
Custom rules in English, plus learning from your comments
Two things keep the reviewer from becoming noise. Custom rules let you state your standards in plain English and attach repo-specific context, so “never call the billing client directly from a route handler” is a rule rather than a tribal convention. Learning goes the other way: Greptile reads the comments your own engineers leave on PRs and adapts to the patterns they actually enforce. The practical effect is that the signal-to-noise ratio should improve over the first few weeks rather than staying flat — which is worth measuring during the 14-day trial rather than judging on day one.
Independence as a feature
Greptile calls itself the central validation layer and says it is designed to work with every coding agent. In 2026 that reads as a direct response to consolidation: Cursor acquired Graphite in December 2025 and also ships its own reviewer, and GitHub reviews the code its Copilot writes. If most of your diffs are now agent-authored, there is a real argument for the reviewer being a separate vendor with a separate index and separate incentives. Whether you weight that highly is a governance question more than a technical one.
Where the tiers bite
Starter is free but capped at one active developer, so it is a solo tool, not a team trial. Pro at $30 per seat unlocks custom rules and unlimited external app connections — note that custom rules, the feature that makes the reviewer yours, is not on the free tier. Everything a security review will ask about (self-hosting, SSO/SAML, GitHub Enterprise, a custom DPA) is Enterprise and quote-only. The two discount programmes are real money for the teams that qualify: free for non-commercial MIT/Apache open source, and 50% off for pre-Series A startups under $2M of trailing revenue.
Frequently Asked Questions
How much does Greptile cost in 2026?
Greptile publishes three tiers. Starter is free and includes unlimited repositories, 50 credits per month and one active developer. Pro is $30 per seat per month, includes 50 credits per seat, charges $1 per additional credit, and adds custom rules and unlimited external app connections. Enterprise is custom-priced and adds the option to self-host, SSO/SAML, GitHub Enterprise support, a dedicated Slack support channel and custom DPA, invoicing and terms. Paid plans start with a 14-day free trial, and Greptile offers custom pricing for annual and multi-year contracts on request.
What is a Greptile credit, and what is a TREX review?
A credit is one unit of review. One standard review costs 1 credit; one TREX review — Greptile's deeper mode — costs 3. Both Starter and Pro include 50 credits (per account and per seat respectively), and on Pro any review beyond that allocation costs $1. That makes the real question not the seat price but your merge rate: a team where each developer opens more than about 50 pull requests a month is buying overage every month, and a team that leans on TREX exhausts its allocation after roughly 16 reviews.
Is Greptile free for open source?
Yes, for qualified projects. Greptile states that it is free for non-commercial projects licensed under MIT or Apache, via an application on its open-source page. Separately, pre-Series A startups with under $2M of revenue in the trailing 12 months can apply for 50% off, which takes Pro to roughly $15 per seat per month. Both are applications rather than self-serve checkboxes, so factor in the approval wait if you are budgeting against a start date.
Greptile vs CodeRabbit — which is better?
They are the two serious independent AI reviewers, and the deciding factor is usually pricing shape rather than review quality. Greptile meters by review: $30 per seat with 50 credits and $1 per review after that, which is cheap for a team that merges moderately and expensive for one that merges constantly. CodeRabbit charges a flat per-developer subscription, which is more predictable at high merge volume. Greptile's differentiators are the graph index of the whole repo, the swarm of parallel agents and plain-English custom rules; if you want a fixed line item on the budget rather than a usage curve, read our CodeRabbit review before deciding.
Greptile vs Graphite — which should I pick?
They solve adjacent problems. Graphite is a review and merge platform built around stacked pull requests and a merge queue, with AI review included on its Team tier; Greptile is a focused AI reviewer that plugs into whatever workflow you already have. The other difference is ownership: Graphite was acquired by Cursor in December 2025, so if you deliberately want your reviewer to be independent of the vendor whose agent wrote the code, that is an argument for Greptile, which markets itself explicitly as a neutral validation layer for every coding agent.
Does Greptile actually catch real bugs?
The most useful evidence is that Greptile publishes verifiable examples rather than only testimonials — it links to review comments it left on public pull requests in NVIDIA's DALI, Meta PyTorch's OpenEnv and the Solana Foundation's Kora, covering an unbalanced CUDA release, an undefined method and a mid-loop overflow. Those are exactly the multi-file, cross-context bugs a diff-only reviewer misses. It says over 22,000 teams use it, with Substack, Klaviyo, Retool, NVIDIA, Brex, Scale, PostHog, Mintlify, Zapier and WorkOS named on the homepage.
Can Greptile run on private infrastructure?
Self-hosting is offered, but only on the Enterprise tier, alongside SSO/SAML, GitHub Enterprise support, a custom DPA and custom terms of service. There is no published price for it, so a regulated team should treat Greptile as a sales-led purchase and budget for a procurement cycle rather than a card-on-file signup.
Final Verdict
Greptile is the strongest independent AI code reviewer on the market in 2026, and the reason is architectural rather than rhetorical: a graph index of the whole repository plus parallel agents produces comments about impact, not about formatting. The published bug examples on public NVIDIA, Meta PyTorch and Solana pull requests are the kind of evidence competitors mostly do not offer, and plain-English custom rules plus learning from your team's own review comments address the failure mode that kills most AI reviewers — noise.
The reservation is the meter. $30 per seat with 50 credits and $1 per review afterwards is excellent value at moderate merge rates and quietly expensive at high ones, and the deeper TREX mode costs triple, which means the best feature is also the one you ration. Do the arithmetic against your actual merged-PR count before you sign, ask whether credits roll over, and assume anything your security team cares about is an Enterprise conversation. Do that and Greptile is an easy recommendation — especially if you would rather your reviewer not be owned by the company whose agent wrote the code.
Compare Greptile vs Every Other AI Code Reviewer
See how Greptile stacks up against CodeRabbit, Graphite, Qodo and the rest of the category.
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