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Changes/Claude Opus 4 Pricing and Context Window Update
ModerateAnthropicPricing ChangeVerified

Claude Opus 4 Pricing and Context Window Update

Anthropic updated Claude Opus 4's pricing and context window details. The context window is now 1M tokens for all, and max output is 128k tokens. Previous beta context window support and specific pricing notes for long context were removed.

Mar 13, 2026 (UTC)Views:0
Vendor pricing event: check the source for affected model IDs.Anthropic Overview

Impact Assessment

Cost2
Reliability0
Migration1
Quality0
Compliance0

Sources

docs
Anthropic Models Docs

Context window 1M tokens 1M tokens 200k tokens

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