Anthropic is retiring the Claude Opus 4.1 model on August 5, 2026, and its replacement, Claude Opus 4.8, offers a significant price reduction. The new model is exactly one-third the cost across all pricing dimensions, with comparable or improved performance metrics such as context window size and maximum output. Users migrating from Opus 4.1 should note that Anthropic's documentation provides slightly different recommendations for the replacement model, with one page suggesting Opus 4.8 and another mentioning Claude Opus 5. Additionally, the term "retired" for Anthropic models does not always mean complete unavailability, as some older models remain accessible through specific cloud platforms like Google Cloud and Amazon Bedrock. AI
IMPACT Accelerates adoption of newer, more cost-effective models and highlights the importance of monitoring cloud platform availability for retired models.
RANK_REASON Product update from a major AI lab with significant pricing changes and implications for users. [lever_c_demoted from significant: ic=1 ai=1.0]
- Amazon Bedrock
- Anthropic
- Claude Haiku 3.5
- Claude Opus 4
- Claude Opus 4.1
- Claude Opus 4.8
- Claude Opus 5
- Claude Sonnet 4
- Google Cloud
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