gpt-oss-20b pricing

Text model by OpenAI. Sold by 1 provider.

Prices

API prices in USD, cheapest seller first. Highlighted: lowest for that line.
Sold by	Price line	Price	Source
OpenRouterreseller	per 1M input tokens	$0.018	Source verified 29 Oct 2026
	per 1M cached input tokens	$0.009
	per 1M output tokens	$0.09

Price a job with gpt-oss-20b

Limits

Context window: 131.07K tokens
Max output: 32.77K tokens
Released: 5 Aug 2025
Open weights: Yes

Sources

openrouter.ai/openai/gpt-oss-20b pricing API, verified 29 Oct 2026

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Updated 29 Oct 2026