Question 1

When will Claude 4 be deprecated?

Accepted Answer

Claude 4 Opus and Claude Sonnet 4 are deprecated on June 15, 2026. Use Claude Opus 4.8 ($5/$25) or Claude Sonnet 4.6 ($3/$15) as drop-in replacements.

Question 2

Which AI models are deprecated in 2026?

Accepted Answer

As of June 2026, deprecated models include: Claude 4 Opus (June 15), Claude Sonnet 4 (June 15), DeepSeek V3 (replaced by V4 Flash), Grok 3 (rebranded to Grok 4.3), and Grok 3 Mini (replaced by Grok Build 0.1). Each has a recommended replacement.

Question 3

How do I know when an AI model will be deprecated?

Accepted Answer

APIpulse tracks deprecation announcements from all 10 major providers. Our timeline shows release dates, version updates, deprecation deadlines, and replacement models. Set up price alerts to get notified before deadlines.

Question 4

What replaces Claude 4 Opus after deprecation?

Accepted Answer

Claude Opus 4.8 is the direct replacement at $5/$25 per million tokens (67% cheaper than Claude 4 Opus at $15/$75). For cross-provider alternatives, GPT-5 ($1.25/$10) and DeepSeek V4 Pro ($0.435/$0.87) offer significant savings.

AI Model Deprecation Timeline

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