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GPT OSS 20B vs GPT-4o
2026 Stored listed rates & illustrative token-cost comparison
GPT-4o
Deprecated
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📌 Executive Summary (TL;DR):GPT OSS 20B and GPT-4o represent distinct provider offerings. Review the granular token rate and context breakdown below to evaluate total cost of ownership.
Metric
GPT OSS 20B (openrouter)
GPT-4o (OpenAI)
Input listed rate
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$2.50 / 1M Tokens
Output listed rate
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$10.00 / 1M Tokens
Cached Input rate
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$1.25 / 1M Tokens
Context Window
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128K Tokens
Modality
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