Claude 4 Migration Calculator
Enter your current Claude 4 usage below. See exactly how much you'll save by migrating to a replacement model — before the June 15 shutdown.
Your Claude 4 Costs
Top Migration Targets
Ranked by cost savings vs Claude 4 Opus ($15/$75 per 1M tokens)
Track Deprecations Automatically
APIpulse Pro monitors all 39 models and alerts you before any price change or deprecation.
Ready to Migrate?
Just change claude-4-opus to claude-opus-4-8 in your API calls. Same format, 67% cheaper. Takes 30 minutes.
How Migration Works
It's just a model ID change. The Anthropic API format is identical between Claude 4 and Claude Opus 4.8. You only need to update the model name in your code:
model: "claude-4-opus" → model: "claude-opus-4-8"
No SDK changes. No API format changes. No prompt rewrites. Most developers complete the full migration — including testing — in under 30 minutes.
Why These Alternatives?
We ranked every Claude 4 replacement by three factors: cost savings, quality match, and ease of migration. Claude Opus 4.8 is the easiest migration (same API). DeepSeek V4 Pro and Llama 4 Maverick offer the biggest savings. Gemini models offer the best balance of cost and quality for many use cases.
Frequently Asked Questions
Will my prompts work the same on the replacement model?
Yes. Claude Opus 4.8 uses the same API format and responds to the same prompts. For other providers (DeepSeek, Google, etc.), you may need minor prompt adjustments, but the core logic stays the same.
What if I need Claude-quality output specifically?
Stick with Claude Opus 4.8 ($5/$25) — it's the official successor with the same quality tier, just 67% cheaper. If you can accept slightly different output characteristics, DeepSeek V4 Pro ($0.44/$0.87) handles most tasks at 97% less cost.
Can I test before committing?
Absolutely. All these providers offer free tier or pay-as-you-go access. Run a small batch of requests on the new model, compare output quality, then switch. No long-term commitments.
What about third-party providers (OpenRouter, Bedrock)?
If you access Claude 4 via OpenRouter or Bedrock, update your model ID in that provider's configuration. Most third-party providers already support Claude Opus 4.8 and the budget alternatives listed above.