Cline Review 2026: The Open-Source Coding Agent That's Quietly Become a Real Company
Correction, Oct 4, 2026: an earlier version named Emergence Capital as the sole lead of Cline's $32M round; Pace Capital co-led it, and Cline Teams launched with the round on Jul 31, 2025.
Most people still describe Cline as "a free VS Code extension." That was true in 2024. In 2026, after a $32M funding round, it's a native desktop app, a headless CLI, an embeddable SDK, and a seat-priced enterprise product called Cline Teams — sitting on top of the same Apache-2.0 open-source core. This review covers what's actually still free, what now costs money, and whether the control it gives you is worth the extra setup.
| Still free/open-source? | Yes — core stays Apache-2.0 |
| JetBrains plugin license | Closed-source, Early Access |
| Cheapest paid seat | ClinePass $9.99/mo |
| Enterprise seat | Cline Teams $20/user/mo |
| Funding | $32M, led by Emergence and Pace (2025) |
Cline didn't sell out. It grew up, and now has a subscription tier to prove it.
"The free, self-hosted, bring-your-own-key Cline still exists and still works exactly like it always did. What's new is everything built around it: a $32M war chest, a desktop app, a CLI you can drop into CI, an SDK for building your own agents, and a $20-per-seat enterprise product aimed squarely at the companies whose logos are now on Cline's homepage."
If you tried Cline in 2024 as a scrappy Claude-powered VS Code sidebar and haven't looked since, the honest update is: the core experience — plan, act, approve every step — hasn't changed philosophically. What changed is the business wrapped around it. That's worth understanding before you pick a plan.
One agent core, five different doors into it.
Cline is no longer just "the sidebar." The same agent engine now ships as a VS Code extension, a JetBrains plugin, a native desktop app for macOS/Windows, a headless CLI for scripting and CI, and a Node SDK for developers building their own tools on top of it. All five talk to whichever model you configure — Anthropic, OpenAI, Google, OpenRouter, Bedrock, Vertex, Cerebras, Groq, Ollama, or LM Studio.
The one asterisk worth flagging early: the JetBrains plugin is explicitly not open-sourced, even though the core repo is Apache-2.0 — a small but real inconsistency in an "open" pitch.
Cline's real story in 2026 is the $32M, not the star count.
cline/cline, verified on GitHub, Sep 20, 2026.
VS Code Marketplace listing, live.
Seed + Series A, led by Emergence Capital and Pace Capital, Jul 2025.
314 reviews, VS Code Marketplace, live.
| Era | What Cline was | What changed it |
|---|---|---|
| 2024 | "Claude Dev" — a community VS Code extension for Claude-powered autonomous edits | Renamed Cline, opened to multiple model providers |
| 2025 | Popular open-source agent, no dedicated funded company product | $32M seed+Series A (Jul 31, 2025), co-led by Emergence Capital and Pace Capital |
| 2026 | Multi-surface platform: VS Code, JetBrains, Desktop, CLI, SDK, Teams | Cline Teams (launched Jul 31, 2025; $20/user/mo), enterprise logos added to marketing |
The praise is specific: people like watching exactly what it's doing.
Developers who want an agent that "runs locally with a full visible audit trail of every token, command, and file change" consistently name Cline as the tool they reach for once a closed AI-IDE feels too opaque.
"Cursor wins on polish, but Cline wins on flexibility and long-term scalability... Copilot wins on integration breadth, price floor, and native GitHub PR support."
Cline is "the tool people adopt once they decide they want more than an AI IDE can offer" — the escape valve for developers outgrowing a single vendor's editor.
Four tiers now, not one — and the free one is still real.
Open Source
BYOK, pay model providers directly.
- VS Code + CLI + Desktop
- MCP Marketplace
- Community support
ClinePass
Promo: $1.99 first month.
- 15 open-weight models, no separate API keys
- 2-5x quota vs. raw API limits
Cline Teams
First 10 seats free, effective post-Q1 2026.
- Centralized billing/admin
- Team management dashboard
Enterprise
SSO/OIDC/SCIM, SLA, RBAC.
- JetBrains extension included
- Dedicated support
Source: cline.bot/pricing and cline.bot/cline-pass, verified Sep 20, 2026.
Your answer depends on how much you value seeing the wiring.
Open Source tier, BYOK — genuinely free, no seat fee.
ClinePass at $9.99/mo bundles open-weight models with quotas.
Cline Teams at $20/user/mo is the product Cline's funding was built to sell.
Enterprise, custom pricing.
Know going in it's closed-source and still Early Access, unlike the core.
The thing Cline is actually known for: showing its work before it does it.
Cline's signature workflow is toggling between Plan mode (it explores your codebase, asks clarifying questions, proposes a strategy) and Act mode (it executes that plan, one approvable diff or command at a time). It reads project structure, tracks relationships between files, and — per its own documentation — actively watches linter/compiler output while it works, fixing missing imports or type mismatches before you even see them.
- Every file edit shows as a reviewable diff, with checkpoints so you can revert.
- Long-running terminal processes (dev servers, test runs) are watched in the background, not just fire-and-forget.
- .clinerules files carry project-specific conventions across the CLI, VS Code, and JetBrains.
- Auto-approve mode exists — turning it on trades the "showing its work" advantage for speed.
- Model quality still depends entirely on which provider/model you point it at; Cline doesn't fix a weak model's judgment.
Plan, then act, with a human between every step.
Official Cline video: building an MCP server using Cline's Plan/Act workflow.
Published by the official "Cline" YouTube channel (youtube.com/@cline-bot), which itself links back to cline.bot in its channel description.
The part that actually justifies calling Cline "no longer just an extension."
The headless CLI (npm i -g cline) runs the same agent inside CI/CD pipelines and scripts with no editor open at all. The native desktop app adds a kanban-style board for running multiple agent sessions in parallel across different folders, plus scheduled routines. The SDK (@cline/sdk) exposes the same engine for developers who want to build custom tools, connectors to Slack/Linear/Discord, or their own multi-agent team logic.
MCP is a first-class citizen, not a bolt-on.
Cline ships an MCP Marketplace for discovering and installing MCP servers directly, and the official docs and video content (see above) treat MCP-server-building as a core supported workflow, not an edge case. Connectors for Slack, Linear, and Discord let scheduled agent runs report back into the tools teams already use.
Your real bill is your model bill, not your Cline bill.
| What you're doing | What you pay |
|---|---|
| Open Source, bring your own key | $0 to Cline; your model provider's own per-token rate, no Cline markup |
| ClinePass | $9.99/mo flat for bundled open-weight model access with quota; "additional processing fee may apply" beyond quota |
| Cline Teams | $20/user/mo, first 10 seats free (post-Q1 2026) |
| Enterprise | Custom, includes JetBrains extension + SSO/SCIM/RBAC |
Approval-by-default is the actual security model here.
People who want to see the machinery, not just trust it.
| Situation | Why Cline fits | Likely plan |
|---|---|---|
| Solo developer who wants full model choice | BYOK, zero markup, works with almost any provider | Open Source |
| Developer who doesn't want to juggle API keys | ClinePass bundles quota + models | ClinePass, $9.99/mo |
| Team standardizing on one agent across the org | Centralized billing/admin, per-seat pricing | Cline Teams, $20/user/mo |
| Regulated enterprise needing SSO/SCIM | Dedicated enterprise controls | Enterprise, custom |
| CI/CD pipeline automation | Headless CLI, no editor dependency | Open Source or Teams |
Three real gaps, not manufactured ones.
The JetBrains plugin is closed-source and Early Access, even though the core is Apache-2.0 — a meaningful inconsistency if "fully open" is why you chose Cline.
Cline's homepage lists Samsung, Salesforce, Oracle, Amazon, LG, Globant, Microsoft, eBay, Visa, and IBM. These are vendor-published claims; JAVIS did not independently verify deployment scale at any of them.
Point Cline at a weak or cheap model and you'll get weak, cheap results — the tool's flexibility means quality is now your responsibility, not the vendor's.
Unlike some enterprise competitors, no public compliance certification was located on official Cline pages as of this check — worth confirming directly before a regulated rollout.
If Cline's flexibility isn't what you need, here's how to think about it.
| If you mostly need... | Compare Cline with... |
|---|---|
| The most widely deployed IDE-native assistant with native GitHub PR flow | GitHub Copilot — read our review |
| A fully open, MIT-licensed agent oriented toward autonomous end-to-end tasks | OpenHands — read our review |
| A polished, opinionated closed editor over raw flexibility | Cursor (cursor.com) |
| A terminal-first agent bundled with a general Claude subscription | Claude Code — see our Claude Code setup guide |
No affiliate relationship shapes this review.
JAVIS has not established a publisher affiliate program with Cline Bot Inc. Every CTA here points to the official product.
Go to the official page.
Open ClineRead the alternative that matches your real question.
Choose the next articleCline makes the most sense next to the tools it's directly competing with.
Questions people are actually searching right now
Is Cline still free?
Yes. The Open Source tier is still free with bring-your-own-key model access, no markup, no seat fee. ClinePass, Teams, and Enterprise are newer paid layers on top, not replacements.
Is Cline still open-source?
The core (VS Code extension, CLI, SDK, desktop app shell) is Apache-2.0. The JetBrains plugin specifically is closed-source and in Early Access — confirmed directly in Cline's own README.
What is ClinePass?
A $9.99/month (promo $1.99 first month) subscription that bundles access to 15 open-weight models across six providers with 2-5x the usage quota of raw API limits, without you managing separate API keys.
What is Cline Teams?
A $20/user/month enterprise product (first 10 seats free, post-Q1 2026) built with the $32M Cline raised in 2025 — adds centralized billing, admin, and team dashboards.
Who funds Cline?
Emergence Capital and Pace Capital co-led a combined $32M seed and Series A round announced July 31, 2025, with participation from 1984 Ventures, Essence VC, Cox Exponential, and individual angels including a YC partner and Bolt.new's CEO.
Is Cline better than GitHub Copilot?
Different trade-offs, not simply better: Copilot wins on integration breadth, price floor, and native GitHub PR support; Cline wins on model flexibility, transparency, and long-term customization. See our GitHub Copilot review for the direct comparison.
Does Cline work with Claude, GPT, and Gemini?
Yes — Cline is explicitly model-agnostic, with official support for Anthropic, OpenAI, Google, OpenRouter, AWS Bedrock, Azure/GCP Vertex, Cerebras, Groq, Ollama, and LM Studio.
Can I run Cline outside an editor entirely?
Yes, via the headless CLI (npm i -g cline), which supports both interactive chat and fully headless automation for CI/CD and scripting.
Where this came from, and when it was checked.
GitHub stats (stars/forks/license): GitHub data for github.com/cline/cline, Sep 20, 2026.
Marketplace installs/rating: marketplace.visualstudio.com listing, read directly, Sep 20, 2026.
Pricing (Open Source, ClinePass, Teams, Enterprise): cline.bot/pricing and cline.bot/cline-pass, official, read directly.
Funding ($32M, Emergence Capital and Pace Capital): cline.bot/blog official announcement, corroborated by Yahoo Finance/GlobeNewswire coverage.
JetBrains plugin closed-source status: directly from raw.githubusercontent.com/cline/cline README, official.
Real screenshots/media: cline.bot/cline_og_img.png, assets.int.cline.bot product-demo poster, raw.githubusercontent.com icon, opengraph.githubassets.com repo card.
Official video: youtube.com/watch?v=1vB66odxdNs, authorship confirmed on YouTube (author "Cline", channel @cline-bot, which links to cline.bot).
User sentiment: VS Code Marketplace aggregate rating; Reddit patterns via diyai.io; independent comparisons from designrevision.com and buildmvpfast.com.
