TabNine
TabNine is the world's earliest AI code completion tool and has evolved into a "full-link agentic AI development platform" by 2025.
Amazon Q Developer (official domain: aws.amazon.com/q/developer) is the world’s strongest Agentic AI coding assistant launched by AWS, with 10+ major iterations in 2023 preview, 2024 GA, and 2025. It is a super-evolved version of CodeWhisperer, deeply integrated with VS Code / JetBrains / CLI, and named “2025 AI Code Assistant Leader” by Gartner. Developers affectionately call it ” AWS version of Claude Dev + Cursor + GitHub Copilot in one” – one sentence of prompts can be out of the full functionality, automatic testing, review, repair, relocation, deployment.
Core Features (Why 1 hint = 1 day of manual work?)
| Function | Description | One sentence value |
|---|---|---|
| Agentic coding (/dev mode) | Input natural language → AI auto-planning → read/write multiple files → run shell → generate diff → real-time feedback → one-click application. Supports feature development, documentation, unit testing, code review, bug fixes. | “Let AI be your full-stack + DevOps partner.” |
| Real-time Completion + Inline Chat | Tab at cursor to complete whole paragraph/function, supports 25+ languages (Java, Python, Go, Rust, Dart, Kotlin, PHP, Ruby, Bash, PowerShell, Terraform, etc.). | Industry’s highest 50writes: 50% acceptance rate (NAB data) |
| Security Scanning + One-Click Fixes | Real-time scanning for OWASP Top10, CVEs, generating remediation PRs, with detection rates exceeding publicly available benchmark tools. | “Plug holes automatically before Commit” |
| Java/.NET Modernization | One click to modernize Java 8→21, Java 11→17, or .NET Windows→Linux, relocating 1000+ projects in 2 days (tested by AWS). | “Legacy system upgrade with 0 pain” |
| Automated testing/documentation/review | Select file → “/test” to generate 100% coverage unit tests; “/doc” to generate Javadoc; “/review” to pre-submit for review. | “Test/Documentation 0 Manual” |
| AWS Expert Brain | Console/Slack/Teams directly ask “Why is Lambda timing out?” → Diagnose + fix SQL + schema. | “Ops 0 Documentation” |
| CLI Magic | Terminal “#” → natural language to bash to complete AWS CLI. | “Command line to chat box” |
2025 Latest Features (April Explosion Month)
- Full language explosion: add Dart, Go, Kotlin, PHP, Ruby, Rust, Scala, Bash, PowerShell, CloudFormation, Terraform.
- Conversation Memory: Save, search, and export Markdown across sessions.
- Deep GitHub integration: One-click issue, automatic review, Java migration directly in PR.
- SWE-Bench No. 1: Agent capability tops the global list.
Feature highlights (real feedback from enterprises)
- Enterprise-grade security: zero data leakage, IAM fine-grained permissions, FedRAMP/SOC2/HIPAA.
- Seamless IDE: VS Code, JetBrains, Visual Studio, Eclipse, CLI, GitHub, GitLab, Slack full coverage.
- Free Takeoff: Permanent free tier 50 Agent interactions + 1000 lines of code migration per month.
- Speed Nuke: Local Completion <50ms, Agent Single Step <3s.
- Newbie 0 threshold: don’t know AWS, ask “help me build S3+Lambda image compression SaaS”, AI will help you out with 12 files + CDK.
Pricing (latest November 2025)
- Free: 50 Agents + 1000 rows migrated/month, enough for individuals/small teams.
- Pro: $19/user/month → Unlimited Agents + all premium models + Priority Support + private repository.
- Enterprise: Customized per seat, contact AWS.
Getting Started in 3 Steps
- Sign in with AWS Builder ID (free) at aws.amazon.com/q → One-click to install VS Code plugin.
- Open the project → Ctrl+L to wake up Q → Type: “Build a TODO SaaS with OAuth2 using Java 21 + Spring Boot 3”.
- Wait 45s → tap “Apply All” → npm test → ask “deploy to ECS Fargate” → go live in seconds!
Community Word of Mouth (X/Reddit buzz)
- “Q moved my Java 8 codebase to 17 in 2 days, manually it takes 3 months.” –BT Group
- “50% of code directly Accepted, saving 1/3 of development time.” –National Australia Bank
- “Agent is smarter than Cursor, safer than Copilot, and understands AWS better than Windsurf.” — National Australia Bank
Official Site & Resources
- Documentation: docs.aws.amazon.com/amazonq
- Free Lesson: AWS Skill Builder “Amazon Q Introduction” (15 min)
- Discord/Reddit: Search for “Amazon Q Developer” and join 500,000+ developers!
To summarize
Amazon Q Developer = AI Full Stack Engineer + AWS Architect + Security Specialist + Automated Ops to evolve you from “Coding” to “Requirements, Coffee, PR Pass”.
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