Records updated 2026-10-01

Best AI Code Completion Tools in 2026

Compare AI products for inline completion and editor-based code suggestions.

Ordered by a reproducible structured-data fit score for this workflow. Sponsorship and affiliate relationships never affect the order.

Quick comparison

The fit score measures structured workflow coverage, not subjective quality or benchmark performance. Equal scores are ordered alphabetically. Product facts remain subject to their displayed review status. Full methodology

Rank	Tool	Fit	Starting price	Free	Open source	Agent	Platforms
#1	GitLab Duo	82/100	Free	Yes	No	Yes	Web, macOS
#2	Zed	79/100	Free	Yes	Yes	Yes	macOS, Linux
#3	JetBrains AI Assistant	78/100	Free	Yes	No	Yes	macOS, Windows
#4	Refact	74/100	Free	Yes	Yes	Yes	macOS, Windows
#5	Tabby	74/100	Free	Yes	Yes	No	macOS, Windows
#6	Amazon Q Developer	72/100	$19/month	Yes	No	Yes	Web, macOS
#7	GitHub Copilot	72/100	$10/month	Yes	No	Yes	Web, macOS
#8	Twinny	71/100	Free	Yes	Yes	No	macOS, Windows
#9	Cody	69/100	$9/month	Yes	No	Yes	Web, macOS
#10	Cursor	69/100	$20/month	Yes	No	Yes	macOS, Windows

#1GD

GitLab Duo

AI-native assistant spanning code suggestions, chat, development, review, and security workflows.

82/ 100 fit

Best for

Teams managing the software lifecycle in GitLab

Pricing

Free · Free plan

Agent modeChatCode completionCode explanationSecurity workflows

Pros

Deep GitLab workflow integration
IDE support
Self-managed availability

Cons

Most differentiated inside GitLab
Feature access varies by tier

Why this tool scored 82/100

Workflow features

15/25

Integration breadth

15/20

Platform breadth

15/15

Language breadth

12/15

Accessible entry

15/15

Primary-source coverage

10/10

#2ZE

Zed

High-performance editor with native agents, edit prediction, and configurable model providers.

79/ 100 fit

Best for

Developers wanting a fast editor with native and external agent workflows

Pricing

Free · Free plan

Agent modeBring your own modelCode completionInline editsMCPParallel tasks

Pros

Open-source editor
Parallel agent support
Flexible providers

Cons

Platform support and features continue evolving
Hosted model limits vary by plan

Why this tool scored 79/100

Workflow features

18/25

Integration breadth

12/20

Platform breadth

12/15

Language breadth

12/15

Accessible entry

15/15

Primary-source coverage

10/10

#3JA

JetBrains AI Assistant

Integrated AI chat, completion, code insight, and agent features across JetBrains IDEs.

78/ 100 fit

Best for

Developers who want AI assistance inside JetBrains IDEs

Pricing

Free · Free plan

Agent modeChatCode completionCode generationDocumentationTest generation

Pros

Broad JetBrains IDE support
Context-aware editor actions
Flexible model configuration

Cons

Centered on JetBrains products
Feature availability varies by IDE and plan

Why this tool scored 78/100

Workflow features

18/25

Integration breadth

9/20

Platform breadth

12/15

Language breadth

14/15

Accessible entry

15/15

Primary-source coverage

10/10

#4RF

Refact

AI coding agent and completion assistant with cloud and self-hosted options.

74/ 100 fit

Best for

Developers combining agent workflows with self-hosted completion

Pricing

Free · Free plan

Agent modeChatCode completionPrivacy controlsSelf-hosting

Pros

Self-hosting available
Wide IDE coverage
Completion and agent workflows

Cons

Deployment choices add complexity
Some capabilities depend on plan and model

Why this tool scored 74/100

Workflow features

15/25

Integration breadth

12/20

Platform breadth

12/15

Language breadth

10/15

Accessible entry

15/15

Primary-source coverage

10/10

#5TB

Tabby

Open-source, self-hosted coding assistant for private completion and chat.

74/ 100 fit

Best for

Teams self-hosting private code completion infrastructure

Pricing

Free · Free plan

ChatCode completionInline editsPrivate deploymentSelf-hosting

Pros

Open source
Self-hosted
Broad editor support

Cons

Requires server setup
Local performance depends on hardware

Why this tool scored 74/100

Workflow features

15/25

Integration breadth

12/20

Platform breadth

12/15

Language breadth

10/15

Accessible entry

15/15

Primary-source coverage

10/10

#6AQ

Amazon Q Developer

AWS-focused assistant for coding, cloud operations, and modernization.

72/ 100 fit

Best for

Developers and teams working deeply with AWS

Pricing

$19/month · Free plan

AWS guidanceAgent modeCLICode completionSecurity scanning

Pros

AWS integration
Modernization workflows
Generous free access

Cons

Most differentiated on AWS
Enterprise configuration complexity

Why this tool scored 72/100

Workflow features

15/25

Integration breadth

12/20

Platform breadth

15/15

Language breadth

10/15

Accessible entry

15/15

Primary-source coverage

5/10

#7GH

GitHub Copilot

AI coding assistant across editors, terminals, GitHub, and pull requests.

72/ 100 fit

Best for

Teams already building on GitHub

Pricing

$10/month · Free plan

Agent modeCLIChatCode completionCode review

Pros

Broad IDE support
Deep GitHub integration
Mature team controls

Cons

Best experience tied to GitHub
Advanced features vary by plan

Why this tool scored 72/100

Workflow features

15/25

Integration breadth

12/20

Platform breadth

15/15

Language breadth

10/15

Accessible entry

15/15

Primary-source coverage

5/10

#8TW

Twinny

Private, open-source AI code completion and chat extension for VS Code.

71/ 100 fit

Best for

VS Code users prioritizing private and local AI assistance

Pricing

Free · Free plan

Bring your own modelChatCode completionInline editsLocal models

Pros

Open source
Local model support
Provider flexibility

Cons

VS Code focused
Quality depends on the configured model

Why this tool scored 71/100

Workflow features

15/25

Integration breadth

9/20

Platform breadth

12/15

Language breadth

10/15

Accessible entry

15/15

Primary-source coverage

10/10

#9CY

Cody

AI coding assistant with search and context for large codebases.

69/ 100 fit

Best for

Large repositories and enterprise code search

Pricing

$9/month · Free plan

Code completionCode generationCodebase chatEnterprise context

Pros

Strong code search heritage
Enterprise context
Multiple IDEs

Cons

Best features target teams
Setup depth for large instances

Why this tool scored 69/100

Workflow features

12/25

Integration breadth

12/20

Platform breadth

15/15

Language breadth

10/15

Accessible entry

15/15

Primary-source coverage

5/10

#10CU

Cursor

AI-first code editor with agentic workflows and codebase context.

69/ 100 fit

Best for

Developers wanting an integrated AI-first editor

Pricing

$20/month · Free plan

Agent modeCode completionCode generationCodebase chatDebuggingMCP

Pros

Strong codebase context
Fast inline editing
Polished agent workflow

Cons

Requires switching editors
Cloud-dependent features

Why this tool scored 69/100

Workflow features

18/25

Integration breadth

9/20

Platform breadth

12/15

Language breadth

10/15

Accessible entry

15/15

Primary-source coverage

5/10

How to choose an AI coding tool

Start with your actual workflow: editor or terminal, solo use or team deployment, cloud or local processing, and completion or autonomous execution. Then compare current limits and privacy terms directly with vendor sources before committing.