Claude Sonnet 5 vs OpenAI Frontier
2026 Stored listed rates & illustrative token-cost comparison
Claude Sonnet 5
Legacy / Superseded
Legacy / superseded version. Newer models are available; official or partner channels may still serve this version.
OpenAI Frontier
Deprecated
Deprecated endpoints may still be callable. Migrate before retirement.
📌 Executive Summary (TL;DR):Claude Sonnet 5 and OpenAI Frontier 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 Sonnet 5 (Anthropic)
OpenAI Frontier (OpenAI)
Input listed rate
$2.00 / 1M Tokens
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Output listed rate
$10.00 / 1M Tokens
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Cached Input rate
$0.20 / 1M Tokens
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Context Window
1000K Tokens
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Modality
llm
app
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