# The 13 best coding agents for whole-codebase work (2026)

> Source: https://theagentsindex.com/best/coding-agents/codebase (curated, re-verified)
> Prices read 24 Oct to 1 Nov
> AI answers 13 Oct

The best coding agents for whole-codebase work in November 2026 are **JetBrains AI, Kilo Code and Gemini Code Assist**. JetBrains AI is the pick for jetBrains IDE users who want several coding agents under one governed subscription. We read the price of all 13 on their own sites.

By [The Agents Index Editorial](https://theagentsindex.com/authors/editorial.md).

### All 11 agents that publish a monthly price start under $100 a month. The median first paid plan is $20.

*Coding agents for whole-codebase work, first paid plan, November 2026*

- Under $25: 10
- $25 to $99: 1
- $100 to $299: 0
- $300 or more: 0

- **13** ranked
- **$20** median first paid plan
- **9** of the 13 have a free plan

First paid plan from each agent's own pricing page, read 24 October–1 November 2026.

## The short answer

**JetBrains AI** ranks first. It has a free plan, and paid plans start at about $11 a seat a month.

**Kilo Code** ranks second with a free plan, then $15 a seat a month, and **Gemini Code Assist** third. **Junie** has a free plan too.

Half of the 11 agents with a monthly paid plan charge $20 a month or less.

9 agents here have a free plan to try before you pay. The highest ranked are JetBrains AI, Kilo Code and Junie.

## Pick by what you need

- A free plan before you pay: [JetBrains AI](https://theagentsindex.com/jetbrains-ai-assistant.md), Free, then about $11 a seat a month
- Developers who want to switch models freely, local ones included: [Kilo Code](https://theagentsindex.com/kilo-code.md), Free, then $15 a seat a month
- Teams standardized on VS Code or JetBrains: [Gemini Code Assist](https://theagentsindex.com/gemini-code-assist.md), On quote
- The lowest monthly price we found: [Augment Code](https://theagentsindex.com/augment-code.md), From $20 a month
- Developers and teams already standardized on a JetBrains IDE: [Junie](https://theagentsindex.com/junie.md), Free, then about $11 a seat a month

## All 13 picks at a glance

| # | Name | Best for | Starts at |
| --- | --- | --- | --- |
| 1 | [JetBrains AI](https://theagentsindex.com/jetbrains-ai-assistant.md) | JetBrains IDE users who want several coding agents under one governed subscription | Free, then about $11 a seat a month |
| 2 | [Kilo Code](https://theagentsindex.com/kilo-code.md) | developers who want to switch models freely, local ones included, with no lock-in | Free, then $15 a seat a month |
| 3 | [Gemini Code Assist](https://theagentsindex.com/gemini-code-assist.md) | Teams standardized on VS Code or JetBrains who are already on Google Cloud | On quote |
| 4 | [Augment Code](https://theagentsindex.com/augment-code.md) | Engineering leaders at organizations who want AI agents running full SDLC loops end to end, with humans at the quality gates, rather than inline completion assistants. | From $20 a month |
| 5 | [Junie](https://theagentsindex.com/junie.md) | Developers and teams already standardized on a JetBrains IDE who want an agent that shares the same debugger, project index, and version control already built into their editor. | Free, then about $11 a seat a month |
| 6 | [Warp](https://theagentsindex.com/warp.md) | Developers and teams who want one open platform that runs and coordinates multiple coding agents (Claude Code, Codex, Gemini CLI, Warp Agent) side by side across terminal, CLI and cloud, with shared team context and programmatic API access to cloud agent runs. | Free, then $20 a month |
| 7 | [Google Antigravity CLI](https://theagentsindex.com/antigravity-cli.md) | Developers already inside the Google ecosystem (Google AI subscription, GCP billing) who want a free terminal agent with Gemini, Claude and gpt-oss model access, especially anyone migrating off a now-sunset Gemini CLI workflow. | Free, then $30 a seat a month |
| 8 | [Factory](https://theagentsindex.com/factory-ai.md) | Engineering organizations that want AI agents handling more of the SDLC than code generation alone (triage, testing, release and documentation) and are willing to pay enterprise pricing for deployment flexibility and compliance controls. | From $20 a month |
| 9 | [Cline](https://theagentsindex.com/cline.md) | Developers and teams who want a transparent, open-source, model-agnostic agent they fully control and pay for by usage, with optional flat-rate access to open-weight models. | Free |
| 10 | [Devin](https://theagentsindex.com/devin.md) | Engineering teams offloading well-scoped migration tasks without adding headcount | Free, then $20 a month |
| 11 | [Devin Desktop](https://theagentsindex.com/windsurf.md) | Developers who want a full, agent-native desktop IDE and the freedom to run several coding agents, including third-party ones, side by side. | Free, then $20 a month |
| 12 | [Claude Code](https://theagentsindex.com/claude-code.md) | Developers and teams who want a terminal-native, scriptable agent that composes with CI and real engineering workflows. | From $20 a month |
| 13 | [Cursor](https://theagentsindex.com/cursor.md) | Professional developers who want a powerful AI agent woven into a familiar VS Code-based editor, with first-class model choice and the option to be hands-off via Cursor Router. | Free, then $8 a month |

Checked between 24 October 2026 and 1 November 2026. “About” figures are converted at the European Central Bank rate of 30 October 2026.

**13 agents, ranked.**

13 of 32 coding agents match “Whole-codebase work”. Of the rest: 16 on some plans only, 1 no, 2 unknown.

How the coding agents matching “Whole-codebase work” differ: 12 of 13 also match “Writes tests”, against 6 of 19 in the rest of the category.

## The ranking

### 1. JetBrains AI

**A free plan before you pay**

**Best for:** JetBrains IDE users who want several coding agents under one governed subscription

- Price: Free, then about $11 a seat a month ([source](https://www.jetbrains.com/store/ai/?section=personal&billing=monthly))
- MCP server: Not stated
- API: Yes
- Open source: Not stated
- Self-host: Not stated
- [Read the review](https://theagentsindex.com/jetbrains-ai-assistant.md)

### 2. Kilo Code

**Developers who want to switch models freely, local ones included**

**Best for:** developers who want to switch models freely, local ones included, with no lock-in

- Price: Free, then $15 a seat a month ([source](https://kilo.ai/pricing))
- MCP server: Not stated
- API: Yes
- Open source: Yes
- Self-host: Yes
- [Read the review](https://theagentsindex.com/kilo-code.md)

### 3. Gemini Code Assist

**Teams standardized on VS Code or JetBrains**

**Best for:** Teams standardized on VS Code or JetBrains who are already on Google Cloud

- Price: On quote ([source](https://developers.google.com/gemini-code-assist/docs/deprecations/code-assist-individuals))
- MCP server: Not stated
- API: Not stated
- Open source: Not stated
- Self-host: Not stated
- [Read the review](https://theagentsindex.com/gemini-code-assist.md)

### 4. Augment Code

**The lowest monthly price we found**

**Best for:** Engineering leaders at organizations who want AI agents running full SDLC loops end to end, with humans at the quality gates, rather than inline completion assistants.

- Price: From $20 a month ([source](https://www.augmentcode.com/pricing))
- MCP server: Not stated
- API: Yes
- Open source: Not stated
- Self-host: Yes
- [Read the review](https://theagentsindex.com/augment-code.md)

### 5. Junie

**Developers and teams already standardized on a JetBrains IDE**

**Best for:** Developers and teams already standardized on a JetBrains IDE who want an agent that shares the same debugger, project index, and version control already built into their editor.

- Price: Free, then about $11 a seat a month ([source](https://www.jetbrains.com/store/ai/?section=personal&billing=monthly))
- MCP server: Not stated
- API: Yes
- Open source: Not stated
- Self-host: Yes
- [Read the review](https://theagentsindex.com/junie.md)

## Questions buyers ask

### How much do coding agents for whole-codebase work cost?

The median first paid plan is $20 a month, across the 11 of the 13 that publish a monthly price. They run from $8 to $30.

### Which coding agents for whole-codebase work have a free plan?

9 of the 13 have a free plan.

### How current are these figures?

The prices were read 24 October–1 November 2026.

## Sources and method

Every price here was read on the maker's own pricing page.

### Pricing pages (13 read)

- [JetBrains AI](https://theagentsindex.com/jetbrains-ai-assistant.md): [jetbrains.com/store/ai](https://www.jetbrains.com/store/ai/?section=personal&billing=monthly), checked 24 October 2026
- [Kilo Code](https://theagentsindex.com/kilo-code.md): [kilo.ai/pricing](https://kilo.ai/pricing), checked 1 November 2026
- [Gemini Code Assist](https://theagentsindex.com/gemini-code-assist.md): [developers.google.com/gemini-code-assist/docs/deprecations/code-assist-individuals](https://developers.google.com/gemini-code-assist/docs/deprecations/code-assist-individuals), checked 1 November 2026
- [Augment Code](https://theagentsindex.com/augment-code.md): [augmentcode.com/pricing](https://www.augmentcode.com/pricing), checked 30 October 2026
- [Junie](https://theagentsindex.com/junie.md): [jetbrains.com/store/ai](https://www.jetbrains.com/store/ai/?section=personal&billing=monthly), checked 1 November 2026
- [Warp](https://theagentsindex.com/warp.md): [warp.dev/pricing](https://www.warp.dev/pricing), checked 1 November 2026
- [Google Antigravity CLI](https://theagentsindex.com/antigravity-cli.md): [antigravity.google/pricing](https://antigravity.google/pricing), checked 30 October 2026
- [Factory](https://theagentsindex.com/factory-ai.md): [factory.com/pricing](https://factory.com/pricing), checked 24 October 2026
- [Cline](https://theagentsindex.com/cline.md): [cline.bot/pricing](https://cline.bot/pricing), checked 29 October 2026
- [Devin](https://theagentsindex.com/devin.md): [devin.ai/pricing](https://devin.ai/pricing), checked 24 October 2026
- [Devin Desktop](https://theagentsindex.com/windsurf.md): [devin.ai/pricing](https://devin.ai/pricing), checked 24 October 2026
- [Claude Code](https://theagentsindex.com/claude-code.md): [claude.com/pricing](https://claude.com/pricing), checked 24 October 2026
- [Cursor](https://theagentsindex.com/cursor.md): [cursor.com/pricing](https://cursor.com/pricing), checked 31 October 2026