OpenAI
OpenAI

gpt-oss-120b pricing & price history

reasoningtoolsopenai/gpt-oss-120b

gpt-oss-120b by OpenAI costs $0.15 per 1M input tokens and $0.60 per 1M output tokens, with a 131K token context window.

$0.15Input / 1M tokens
$0.60Output / 1M tokens
131KContext window
3.8Intelligence index · coding 30.4

Price history

$0.000$0.345$0.690 2026-09-24today input /1M output /1M
DateInputOutput
2026-11-09$0.018 → $0.15 +733%$0.067 → $0.60 +796%
2026-11-07$0.012 → $0.018 +50%$0.044 → $0.067 +52%
2026-11-07$0.023 → $0.012 -48%$0.087 → $0.044 -49%
2026-11-06$0.01 → $0.023 +130%$0.037 → $0.087 +135%
2026-11-06$0.15 → $0.01 -93%$0.60 → $0.037 -94%
2026-11-02$0.02 → $0.15 +650%$0.075 → $0.60 +700%
2026-11-01$0.15 → $0.02 -87%$0.60 → $0.075 -88%
2026-10-15$0.037 → $0.15 +305%$0.17 → $0.60 +253%
2026-10-14$0.15 → $0.037 -75%$0.60 → $0.17 -72%
2026-10-13$0.037 → $0.15 +305%$0.17 → $0.60 +253%
2026-09-29$0.15 → $0.037 -75%$0.60 → $0.17 -72%

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About gpt-oss-120b

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...

FAQ

How much does gpt-oss-120b cost?

gpt-oss-120b by OpenAI costs $0.15 per 1M input tokens and $0.60 per 1M output tokens, with a 131K token context window. A typical request with 2,000 input and 500 output tokens costs about $0.0006.

What is the context window of gpt-oss-120b?

gpt-oss-120b supports up to 131,072 tokens of context and up to 65,536 output tokens per request.

Has gpt-oss-120b’s price changed?

Yes. ModelBank recorded 11 price changes; the latest on 2026-11-09.

Is gpt-oss-120b being deprecated?

No retirement date has been announced for gpt-oss-120b as of 2026-11-12.

What are cheaper alternatives to gpt-oss-120b?

Cheaper options include Lyria 3 Pro Preview (Free/Free), Lyria 3 Clip Preview (Free/Free), Ling 3.0 Tiny ($0.015/$0.045), Llama 3.1 8B Instruct ($0.02/$0.04).