Migrate from Claude 4 in 5 minutes
Free tools to find your replacement, compare costs, and update your code. Used by 1,200+ developers.
Identify
Which Claude 4 model are you using?
Replace
Find the best alternative for your use case
Compare
See cost differences and performance tradeoffs
Migrate
Copy-paste migration code for your stack
Free Migration Tools
Everything you need to migrate from Claude 4 — no account required
Replacement Finder
Answer 3 questions about your use case. Get a personalized recommendation with cost comparison and migration code.
Find My Replacement →Migration Scanner
Paste your code or GitHub URL. We'll find all Claude 4 API calls and suggest the best replacements.
Scan My Code →Migration Checklist
Step-by-step checklist for migrating your entire codebase. Covers API calls, prompts, error handling, and testing.
Get Checklist →Quick Switch Guide
One-page guide: old model → new model, with exact API changes. Copy-paste in under 5 minutes.
Quick Switch →Claude 4 → Replacement Map
Direct replacements for each retired model
| Retired Model | Replacement | Input (per 1M tokens) | Output (per 1M tokens) | Change |
|---|---|---|---|---|
| Claude 4 Opus | Claude Opus 4.8 | $15.00 | $75.00 | Same price, better |
| Claude Sonnet 4 | Claude Sonnet 4.6 | $3.00 | $15.00 | Same price, better |
| Claude 4 Opus | Claude Opus 4.7 | $15.00 | $75.00 | Alternative option |
| Claude Sonnet 4 | Claude Haiku 4.5 | $0.80 | $4.00 | 73% cheaper |
What's this migration costing you?
Most developers are overpaying by 40% after migrating. Here's why:
Make sure you're not overpaying after migration
Pro shows you the cheapest model for your exact usage pattern — not just the obvious replacement.
✅ 14-day money-back guarantee · ⚡ Instant access · 🔒 One-time payment
Not ready to buy? Start with the free tools above.
Find My Replacement — Free →