Claude 3 Opus vs Claude Sonnet 5
2026 Stored listed rates & illustrative token-cost comparison
Claude 3 Opus
Retired
The first-party endpoint is retired. Partner-channel availability is tracked separately. Retirement: 2026-01-05
Replacement reference: claude-opus-4-8Claude Sonnet 5
Legacy / Superseded
Legacy / superseded version. Newer models are available; official or partner channels may still serve this version.
📌 Executive Summary (TL;DR):Claude 3 Opus and Claude Sonnet 5 represent distinct provider offerings. Review the granular token rate and context breakdown below to evaluate total cost of ownership.(Price records last updated 2026-10-11 (UTC))
Metric
Claude 3 Opus (Anthropic)
Claude Sonnet 5 (Anthropic)
Input listed rate
—
$2.00 / 1M Tokens
Output listed rate
—
$10.00 / 1M Tokens
Cached Input rate
—
$0.20 / 1M Tokens
Context Window
—
1000K Tokens
Modality
llm
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