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Kilo Code Review 2026: Free Agent Power, 500+ Models, and What Changed After the Metabase Incident

Mahmoud Salamoun · October 06, 2026 · 5 min read
Kilo Code Review 2026: Free Agent Power, 500+ Models, and What Changed After the Metabase Incident
AI Coding Now Owned by Anaconda

Kilo Code Review 2026: Free Agent Power, 500+ Models, and What Changed After the Metabase Incident

Kilo Code review 2026: a free, open-source coding agent spanning VS Code, JetBrains, CLI, and the cloud, with 500+ models at zero markup — the July 2026 Anaconda acquisition, the August 2026 Metabase data exposure, documented infinite-loop bugs, and honest pricing math.

7.4/ 10
📋 Technical Desk Review — built from Kilo Code's official pricing and product pages, its GitHub repository and issue tracker, Anaconda's own incident disclosure, and NVD-listed CVE records. No hands-on testing claimed.
Last verified: October 6, 2026
📋 Table of Contents

Kilo Code review 2026: like its closest open-source rival Cline, Kilo Code's core pitch is that the software costs nothing — free, open-source, MIT-licensed — and you only pay for the AI inference your sessions actually use, at exact provider rates with no markup through Kilo's own gateway. What sets it apart on paper is scale: 500+ models across 60+ providers, four distinct agent modes (Code, Plan, Ask, Debug), codebase-wide semantic indexing, and both local and cloud-based agent execution, with sessions syncing across VS Code, JetBrains, CLI, mobile, and web.

Two developments in 2026 changed what evaluating Kilo Code actually means. On July 15, 2026, data-science platform Anaconda acquired Kilo Code outright, folding it into a broader "trillion-token" AI development strategy — a real signal of backing for a tool that started as an open-source side project. Less than a month later, on August 2-6, 2026, Anaconda disclosed a Metabase-related incident that exposed prompts and user data for a subset of Kilo users, including Slack access tokens for some Slackbot integrations. Both facts matter to this review, and neither cancels the other out.

This review covers the real breadth of what Kilo Code offers, alongside the incident, two listed CVEs, and a documented pattern of runaway sessions — the same category of risk this site flagged in its recent review of Cline, Kilo's nearest open-source competitor, because it's a risk class the entire agentic-coding category shares, not a one-off flaw unique to either tool.

Mahmoud Salamoun
Mahmoud Salamoun
Founder, ToolRadar · Reviewed October 6, 2026
Independent AI tools reviewer with a background in marketing and content, and hands-on daily experience directing AI tools like Gemini and ChatGPT for real work. This review is based on official documentation, published pricing, and verified third-party coverage — not a claim of hands-on testing of Kilo Code itself unless stated otherwise.

What Kilo Code Actually Does

🧩

Four agent modes

Code mode edits files directly, Plan mode proposes architecture before touching anything, Ask mode answers questions without making changes, and Debug mode focuses specifically on troubleshooting failures.

🔍

Codebase indexing

Semantic search across the full repository lets the agent find relevant code automatically, rather than relying only on whatever files happen to be open.

🌐

500+ models, 60+ providers

Switch models mid-task, use your own API keys, or route through Kilo's gateway at the exact rate the underlying provider charges — Kilo states no markup on gateway pricing.

☁️

Cloud Agents & Code Review

Run agents in the cloud rather than locally, and get automated PR reviews with inline feedback — both billed as separate compute usage from model inference.

🔌

MCP marketplace

Install agents, skills, MCP servers, and plugins to extend capability — including documentation-lookup tools aimed specifically at reducing hallucinated API usage.

🏢

Team & Enterprise governance

Usage analytics, an "AI adoption score," shared BYOK, centralized billing, model/provider restrictions, audit logs, and SSO/OIDC/SCIM for larger organizations.

27.5KGitHub Stars
500+Supported Models
Jul 2026Acquired by Anaconda
Aug 2026Metabase Incident

The Metabase Incident & Documented CVEs

Between August 2 and 6, 2026, Anaconda disclosed that a security incident involving Metabase — a business-intelligence tool Kilo's team used internally — exposed data for a subset of Kilo Code users. Anaconda's own incident writeup specifies that exposed data included user prompts and account information, and, for some users of Kilo's Slackbot integration specifically, Slack access tokens. This is a different category of incident than a prompt-injection exploit: it's a data exposure tied to internal tooling, not an attacker manipulating the AI agent itself.

Separately, two CVEs are publicly listed against Kilo Code in the National Vulnerability Database: CVE-2025-11445, describing a prompt-injection issue, and CVE-2026-8765, describing a path-traversal vulnerability in specific versions. Both are the kind of findings that show up in actively audited open-source security tools — their existence in NVD is itself a sign the project is being scrutinized by outside researchers, which is a healthier sign than no CVEs at all for a tool with this much system access.

None of this is reason to treat Kilo Code as uniquely unsafe among AI coding agents — the Metabase incident involved internal tooling common to many SaaS companies, and CVEs get filed against actively-used software, including Kilo's direct competitors. But Slack token exposure specifically is a real, concrete consequence for any Slackbot-connected user, not an abstract risk, and anyone using that integration should check whether they were notified and rotate credentials if there's any doubt.

Pricing — Free Core, Zero-Markup Gateway

Free (core software)
$0
Kilo Pass — Starter
$19/mo
Teams
$15/user/mo

The core VS Code, JetBrains, and CLI extensions are free under MIT, with three ways to pay for inference: bring your own provider key, run a local model via Ollama or LM Studio at zero cost, or route through Kilo's gateway at exact provider rates plus a 5% processing fee on credit purchases. Kilo Pass adds monthly credit subscriptions with bonus credits layered on top — Starter at $19/month nets up to $26.60 in usable credits, Pro at $49/month nets up to $68.60, and Expert at $199/month nets up to $278.60, with annual billing adding a further 50% bonus. Teams runs $15/user/month for shared billing and basic governance; Enterprise is custom, and also listed on AWS Marketplace at $1,800/user/year.

💡 Cloud compute is billed separately from inference — easy to miss: Running Cloud Agents or automated Code Reviews costs per-second compute charges on top of whatever model inference those agents consume — Kilo's pricing page lists rates like $0.60-$1.20/hour for different cloud agent tiers. If you're only tracking token spend, cloud-agent usage can add a cost dimension you didn't budget for. Separately, a documented GitHub issue describes an agent stuck in an infinite file-reading loop that burned roughly 8.5 million tokens and about $7.59 before being caught — a smaller dollar figure than some horror stories in this category, but still a real, reproducible failure pattern worth guarding against with spend limits.

Pros & Cons

✓500+ models across 60+ providers with genuine zero-markup gateway pricing — verified by users to match provider bills directly
✓Codebase-wide semantic indexing and four distinct agent modes give it real workflow flexibility beyond a single chat-and-edit loop
✓Cloud Agents and automated Code Review extend it well past a local-only tool
✓Anaconda's acquisition brings real institutional backing to what started as a smaller open-source project
✕An August 2026 Metabase incident exposed user prompts, account data, and some Slack tokens for a subset of users
✕Two listed CVEs (prompt injection and path traversal) in specific past versions — keeping the software updated matters
✕Documented infinite-loop and settings-persistence bugs, plus user complaints about breaking changes in major upgrades
✕Cloud compute is billed separately from model inference, adding a cost dimension easy to overlook when budgeting

Kilo Code vs. Cline vs. Cursor vs. OpenCode

Kilo Code ★ Broadest model access

Best for developers wanting maximum model choice (500+) and cloud agent options, now backed by Anaconda's institutional resources.

Cline

A leaner, more established open-source core (69.9K GitHub stars vs. Kilo's 27.5K) with its own MCP marketplace and a cleaner security incident history to date.

Cursor / OpenCode

Cursor for a fully managed, polished IDE experience at a flat $20/month; OpenCode for an even more permissive MIT license with a larger open community — Kilo's CLI is itself built as a fork of OpenCode's server.

Who Should Use It

Ideal user: a developer or team that wants the broadest possible model selection and the option to run agents in the cloud as well as locally, who's comfortable managing spend across both token inference and separate cloud-compute billing, and who values Anaconda's backing as a signal of longer-term support.

Look elsewhere if: you want the cleanest security track record available in this category today (Cline's incident history, while real, is narrower in scope), you're using Slack integrations and want to avoid the specific token-exposure risk the Metabase incident created, or you'd rather not track two separate cost dimensions (inference plus cloud compute).

Expert Editorial Opinion

Kilo Code's core value proposition is genuinely hard to argue with on paper: free software, zero-markup inference pricing, and access to more models than almost any competitor in this category offers. For a developer who wants to try five different models on the same task without committing to one lab's ecosystem, that breadth is a real, practical advantage — not a marketing checkbox.

The Anaconda acquisition is worth taking seriously as a maturity signal rather than dismissing as corporate noise. A well-capitalized data-science company buying an open-source coding agent outright, explicitly to anchor a broader AI development strategy, is a meaningfully different trajectory than a small team maintaining a project on donated time. Whether that translates into faster security response and more consistent long-term support remains to be proven, but it's a reasonable basis for more confidence than the project had a year earlier.

The Metabase incident deserves a direct, un-softened assessment rather than a glossed-over mention. Exposing user prompts and Slack access tokens, even for a subset of users, is a real consequence with a real fix required on the affected users' end — rotating any potentially exposed Slack tokens isn't optional caution, it's the correct response to this specific disclosure. Anaconda's own public writeup is detailed and dated, which is the right way to handle a disclosure like this, and that transparency should factor into the assessment alongside the fact that the incident happened in the first place.

The infinite-loop and settings-persistence bugs documented on GitHub are a smaller concern individually, but they paint a consistent picture worth naming: Kilo Code, like most agentic coding tools racing to ship features in 2026, has rough edges that show up in real usage, not just edge-case lab conditions. An $7.59 token-burn incident is a minor financial loss on its own; it's evidence of a pattern that could cost considerably more under worse conditions, and that's the lens worth applying rather than dismissing it by its dollar amount alone.

Set against Cline specifically — its closest open-source peer — Kilo Code trades a somewhat rockier recent track record for genuinely broader model access and cloud agent capability. Neither tool is simply "better." A developer prioritizing the widest possible model selection and willing to actively manage the risks documented here has real reasons to choose Kilo. A developer who weighs a cleaner incident history more heavily has equally real reasons to lean toward Cline instead. This review's job is to make both of those reasons visible, not to flatten them into a single winner.

Final Verdict

ToolRadar Performance Score
7.4 / 10

Kilo Code earns real credit for genuinely broad model access, zero-markup gateway pricing, and real institutional backing following Anaconda's acquisition. The score reflects documented risks that keep this from a higher mark: the August 2026 Metabase data exposure incident affecting prompts and Slack tokens for a subset of users, two listed CVEs, and recurring bug reports around infinite loops and settings persistence. For developers who prioritize model breadth and are prepared to actively manage security hygiene — rotating any potentially exposed credentials, staying current on updates — this is a capable, well-resourced tool; it's not yet the cleanest security track record in its category.

DimensionWeightScore /10Why
Technical quality30%7.5Genuinely broad agent capability (500+ models, cloud agents, codebase indexing), offset by documented infinite-loop and settings bugs
Price-to-value25%7.0Zero-markup gateway and a real free core are strong, though cloud compute billed separately from inference adds a cost dimension easy to miss
Maturity & documentation20%6.5A smaller community than its closest peer (27.5K vs. 69.9K GitHub stars), with a real data-exposure incident and two listed CVEs within the year
Ceiling & flexibility15%9.0500+ models, cloud agents, cross-platform sync including mobile, and enterprise governance give it an exceptionally high ceiling
Honesty of positioning10%7.0Anaconda's detailed, dated public disclosure of the Metabase incident is a genuinely transparent way to handle a real security event

Weighted total: (7.5×0.30) + (7.0×0.25) + (6.5×0.20) + (9.0×0.15) + (7.0×0.10) = 7.4/10 — Score band: 7.0–7.9, "Competent but compromised — exceptionally broad model access backed by real institutional investment, with a security track record that requires active management, not passive trust."

❓ Frequently Asked Questions

The core VS Code, JetBrains, and CLI software is free under MIT. You pay only for model inference — via your own API key, a local model at $0, or Kilo's gateway at exact provider rates plus a 5% fee on credit purchases.
Between August 2-6, 2026, Anaconda disclosed that a security incident involving its internal Metabase tooling exposed user prompts, account data, and Slack access tokens for some users of Kilo's Slackbot integration. Affected users should rotate any potentially exposed Slack tokens.
Anaconda, the data-science platform company, acquired Kilo Code outright on July 15, 2026, as part of a broader strategy to expand into AI-native software development.
It depends on priorities. Kilo Code offers broader model access (500+ vs. Cline's wide-but-narrower support) and cloud agent options, now backed by Anaconda. Cline has a larger, more established open-source community and a narrower security incident history to date. Neither is a strict upgrade over the other.

Official sources: Kilo Code · Pricing · GitHub · Metabase incident disclosure. Given the August 2026 incident and listed CVEs, confirm you're running an updated version and review any Slackbot-related credentials before relying on Kilo Code for sensitive work.

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Mahmoud Salamoun
Written by
Mahmoud Salamoun
Independent AI tools reviewer based in the Middle East. I test and rate AI tools so you don't have to — no sponsorships, no bias, just honest analysis.
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