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OpenAI: gpt-oss-120b (batch) API Pricing

OpenAI: gpt-oss-120b (batch) is an API model from openai. It costs $0.0296 per 1M input tokens and $0.136 per 1M output tokens. Its context window is 131,072 tokens with up to 117,964 output tokens. A workload of 10M input + 2M output tokens costs about $0.568 per month.
Input
$0.0296
per 1M tokens
Output
$0.136
per 1M tokens
Cached input
—
per 1M tokens
Context window
131K
131,072 tokens
Blended (80/20)
$0.05088
per 1M tokens

gpt-oss-120b is an open-weight, 117B-parameter Mixture-of-Experts (MoE) language model from OpenAI designed for high-reasoning, agentic, and general-purpose production use cases. It activates 5.1B parameters per forward pass and is optimized...

How much does OpenAI: gpt-oss-120b (batch) cost for a real workload?

At 10M input + 2M output tokens per month, OpenAI: gpt-oss-120b (batch) costs about $0.568 ($0.296 input + $0.272 output). Try your own volumes in the cost calculator.

What are cheaper alternatives to OpenAI: gpt-oss-120b (batch)?

Where to run OpenAI: gpt-oss-120b (batch)

AI/ML API: one API key for 400+ models, including most models tracked here · Novita AI: pay-as-you-go APIs for open models (DeepSeek, Qwen, Llama and more) plus GPU cloud. Prices there follow each platform's own catalog and can differ from the list prices tracked here.

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Compare OpenAI: gpt-oss-120b (batch) with other models

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Frequently asked questions

How much does OpenAI: gpt-oss-120b (batch) cost?

OpenAI: gpt-oss-120b (batch) costs $0.0296 per 1M input tokens and $0.136 per 1M output tokens (list price, snapshot October 22, 2026). At 10M input + 2M output tokens per month that is about $0.568.

What is the context window of OpenAI: gpt-oss-120b (batch)?

OpenAI: gpt-oss-120b (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-120b (batch)?

Cheaper models include Qwen: Qwen3.7 Flash ($0.03 in / $0.13 out), Mistral: Ministral 3 8B 2512 (batch) ($0.075 in / $0.075 out), OpenAI: gpt-oss-20b (batch) ($0.024 in / $0.112 out). See the full list on this page.

Is OpenAI: gpt-oss-120b (batch) free to use?

No. OpenAI: gpt-oss-120b (batch) is a paid model at $0.0296 input / $0.136 output per 1M tokens. 21 free models are listed on the free models page.

Provider: openai · Model ID: openai/gpt-oss-120b:batch · Modality: text->text · Price snapshot October 22, 2026, refreshed daily. How we collect prices