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

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