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openai/gpt-oss-20b pricing

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openai/gpt-oss-20b · OpenRouter · context —

Price per 1M tokens

In effect since Oct 15, 2026

openai/gpt-oss-20b token prices
Input (uncached)$0.018
OutputIncludes reasoning tokens$0.09
Cache read$0.009
  • No long-context tier: one rate for every prompt size.

Price history

1 version since Oct 15, 2026

  • Input
  • Output
Show data as table
openai/gpt-oss-20b price history per 1M tokens
Effective fromInput / 1MOutput / 1M
Oct 15, 2026$0.018$0.09
Oct 16, 2026$0.018$0.09

Cost calculator

Calculated with the same function that AI Cost Map uses for your real events.

Includes reasoning tokens.

Read from the prompt cache.

Cost per call

$0.000081

Cost per month

$8.10

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