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OpenAI: gpt-oss-20b (batch) 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, optimized for...
How much does OpenAI: gpt-oss-20b (batch) cost for a real workload?
At 10M input + 2M output tokens per month, OpenAI: gpt-oss-20b (batch) costs about $0.464 ($0.24 input + $0.224 output). Try your own volumes in the cost calculator.
What are cheaper alternatives to OpenAI: gpt-oss-20b (batch)?
- Mistral: Mistral Small 3 — $0.05 in / $0.08 out per 1M
- Meta: Llama 3.1 8B Instruct — $0.05 in / $0.08 out per 1M
- IBM: Granite 4.0 Micro — $0.017 in / $0.112 out per 1M
- Nex AGI: Nex-N2.5-Mini — $0.025 in / $0.1 out per 1M
- OpenAI: gpt-oss-20b — $0.018 in / $0.09 out per 1M
- Google: Gemma 3 4B — $0.04 in / $0.05 out per 1M
Compare OpenAI: gpt-oss-20b (batch) with other models
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Frequently asked questions
How much does OpenAI: gpt-oss-20b (batch) cost?
OpenAI: gpt-oss-20b (batch) costs $0.024 per 1M input tokens and $0.112 per 1M output tokens (list price, snapshot October 21, 2026). At 10M input + 2M output tokens per month that is about $0.464.
What is the context window of OpenAI: gpt-oss-20b (batch)?
OpenAI: gpt-oss-20b (batch) has a context window of 131,072 tokens and can return up to 117,964 output tokens per response.
What are cheaper alternatives to OpenAI: gpt-oss-20b (batch)?
Cheaper models include Mistral: Mistral Small 3 ($0.05 in / $0.08 out), Meta: Llama 3.1 8B Instruct ($0.05 in / $0.08 out), IBM: Granite 4.0 Micro ($0.017 in / $0.112 out). See the full list on this page.
Is OpenAI: gpt-oss-20b (batch) free to use?
No. OpenAI: gpt-oss-20b (batch) is a paid model at $0.024 input / $0.112 output per 1M tokens. 20 free models are listed on the free models page.
Provider: openai · Model ID: openai/gpt-oss-20b:batch · Modality: text->text · Price snapshot October 21, 2026, refreshed daily. How we collect prices