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OpenAI: gpt-oss-120b (batch) API Pricing
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)?
- Z.ai: GLM Flash Latest — $0.0413 in / $0.12 out per 1M
- Z.ai: GLM 5.3 Flash — $0.0413 in / $0.12 out per 1M
- Qwen: Qwen3.7 Flash — $0.03 in / $0.13 out per 1M
- Mistral: Ministral 3 8B 2512 (batch) — $0.075 in / $0.075 out per 1M
- OpenAI: gpt-oss-20b (batch) — $0.024 in / $0.112 out per 1M
- Mistral: Mistral Small 3 — $0.05 in / $0.08 out per 1M
Compare OpenAI: gpt-oss-120b (batch) with other models
OpenAI: gpt-oss-120b (batch) vs OpenAI: gpt-oss-20bOpenAI: gpt-oss-120b (batch) vs OpenAI: gpt-oss-20b (batch)OpenAI: gpt-oss-120b (batch) vs OpenAI: GPT-5 Nano (batch)OpenAI: gpt-oss-120b (batch) vs OpenAI: GPT-4.1 Nano (batch)OpenAI: gpt-oss-120b (batch) vs OpenAI: GPT-6 Luna Pro (batch)OpenAI: gpt-oss-120b (batch) vs OpenAI: GPT-6 Luna (batch)
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 21, 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 Z.ai: GLM Flash Latest ($0.0413 in / $0.12 out), Z.ai: GLM 5.3 Flash ($0.0413 in / $0.12 out), Qwen: Qwen3.7 Flash ($0.03 in / $0.13 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. 20 free models are listed on the free models page.
Provider: openai · Model ID: openai/gpt-oss-120b:batch · Modality: text->text · Price snapshot October 21, 2026, refreshed daily. How we collect prices