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Claude Opus 4 Model Launch and Legacy Model Migration — ModelPriceLab

Changes/Claude Opus 4 Model Launch and Legacy Model Migration

MajorAnthropicNew Launchclaude-opus-4

Claude Opus 4 Model Launch and Legacy Model Migration

Anthropic has launched Claude Opus 4, and is migrating users from legacy models, recommending improved performance with the new model.

Apr 20, 2026 (UTC)Views:0

View claude-opus-4 in Price Matrix Calculate Spend Impact Anthropic Overview

Impact Assessment

Cost0

Reliability0

Migration3

Quality3

Compliance0

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Anthropic Models Docs

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