iOS Developers Edition

Claude 1M Context Window GA
is Here for Swift Devs

Your entire Xcode project — all .swift files, dependencies, assets — now fits in a single prompt. No chunking. No context loss. No manual management.

1,000,000
Token Context Window
📁
~750K
Lines of Swift Code
Fits comfortably within 1M tokens — enough for any real iOS app codebase
🖼️
600
Images or PDFs
6× more media per request — load your design assets, PDFs & screenshots at once
📊
78.3%
Score on MRCR v2
Industry-leading recall across the full 1M context window — details don't get lost
⛓ Before 1M Context
Manually chunk .swift files per request
Lose cross-file dependencies context
Claude forgets early code after compaction
Multiple review passes for large PRs
Lossy summaries of your architecture
→
✦ With 1M Context
Load entire Xcode project at once
Full cross-file awareness across modules
15% fewer compaction events in agents
Full diff review — no chunks needed
Complete architecture stays in context
iOS Use Cases That Now Shine
📱
Full Xcode Project Review Load all your .swift, .xcodeproj, and Podfile at once for architecture feedback
🔗
SwiftUI + UIKit Migration Analyze mixed codebases holistically — see every UIKit screen to migrate at once
📦
SPM Dependency Audit Review all Package.swift, dependencies, and usage patterns in a single pass
🧪
Test Coverage Analysis Map all XCTest files against source to spot untested ViewModels and services
What Fits in 1M Tokens
📁 MyApp/Sources/ —
🐦 ContentView.swift 4.2K
🐦 AppViewModel.swift 8.1K
🐦 NetworkLayer/ 22K
🐦 DataModels/ 31K
🐦 UIComponents/ (47 files) 110K
🧪 Tests/ (83 files) 98K
📦 Package.swift + deps 15K
✓ Entire Project Loaded ~290K
✓ Leaves ~710K tokens for conversation, iterations, and Claude's output
iOS Dev Workflow with Claude Code + 1M Context
1
📂

Load Full Project

Claude Code reads your entire Xcode workspace — all Swift files, assets, tests

2
🔍

Cross-File Analysis

Spot MVVM violations, retain cycles, missing protocols — across ALL files at once

3
🛠️

Iterate Freely

Multi-turn debugging without context loss — Claude remembers line 1 after 200 turns

4
🚀

Ship with Confidence

App Store submission review — privacy, guidelines, crashlytics patterns all in scope

Standard API Pricing — No Long-Context Premium
Claude Opus 4.6
$5.00Input / M tokens
$25.00Output / M tokens
Claude Sonnet 4.6
$3.00Input / M tokens
$15.00Output / M tokens
SwiftyJourney.com  ·  Claude 1M Context  ·  March 2026