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⚠ This model is no longer available

claude-sonnet-4 was removed from RealRelay on 2026-09-09. This page is kept as a historical record: prices mentioned below are no longer valid, and the API no longer serves this model.

claude-sonnet-4

claude-sonnet-4 is a Anthropic model that was available through RealRelay until it was removed on 2026-09-09.

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Pricing

no longer offered
claude-sonnet-4 was removed from RealRelay on 2026-09-09. This page is kept as a historical record: prices mentioned below are no longer valid, and the API no longer serves this model.