OpenAIgpt-oss-20b

OpenAI: gpt-oss-20b API Pricing

gpt-oss-20b is an open-weight 21B parameter model released by OpenAI under the Apache 2.0 license. It uses a Mixture-of-Experts (MoE) architecture with 3.6B active parameters per forward pass, opti...

Base Input Price$0.030/ 1M tokens

Base Output Price$0.13/ 1M tokens

Prompt Cache Read$0.030-0% discount

Batch API Rate-20%24h async offload

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Provider Name	Input / 1M	Output / 1M	Prompt Caching	Access Endpoint
OpenAI Direct	$0.030	$0.13	Not available	Connect
OpenRouter	$0.030	$0.13	Not available	Connect

Head-to-Head Comparisons for OpenAI: gpt-oss-20b

OpenAI: gpt-oss-20b vs OpenAI: GPT-6.1 Sol$0.03/M vs $2/M

OpenAI: gpt-oss-20b vs GPT-4o (Omni)$0.03/M vs $2.5/M

OpenAI: gpt-oss-20b vs Claude 3.5 Sonnet$0.03/M vs $3/M

OpenAI: gpt-oss-20b vs DeepSeek-V3 (deepseek-chat)$0.03/M vs $0.27/M