OpenAIReleased on Aug 5, 2025

GPT OSS 120B High: Benchmarks, Pricing & Size

GPT OSS 120B High is a language model from OpenAI, released in August 2025.

GPT-OSS-120B High provides enhanced reasoning capabilities with high-effort thinking for complex problems. This variant offers deeper analysis and more thorough responses compared to the base model, making it ideal for challenging tasks

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GPT OSS 120B High pricing

Providers

GPT OSS 120B High starts at $0.100 per million input tokens and $0.500 per million output tokens via OpenAI. See all 2 providers below with their per-token pricing, latency, throughput, and modality support.

ProviderInput $/MOutput $/MMax InputMax OutputLatency p95 sThroughput P95QuantInputOutput
OpenAI logoOpenAI
$0.100$0.500131.1K131.1K
6.50
100 c/s
Fireworks logoFireworks
$0.150$0.600131.0K30.0K
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GPT OSS 120B High model size

GPT OSS 120B High has 116.8 billion parameters. See how it compares to other models in the same parameter range.

Parameters
116.8B
Very large (80–200B)
116.8B
1B7B70B405B

GPT OSS 120B High API

API access coming soon

GPT OSS 120B High will be available through our gateway shortly.

GPT OSS 120B High examples

Recent arena outputs from GPT OSS 120B High, picked from the highest-ranked matchups.

GPT OSS 120B High license

GPT OSS 120B High is released under the Apache 2.0 license, which permits commercial use, has 116.8B parameters.

License
Apache 2.0
Commercial use allowed
Parameters
116.8B

Apache License 2.0 - allows commercial use

FAQ

Common questions about GPT OSS 120B High.

When was GPT OSS 120B High released?

GPT OSS 120B High was released on August 5, 2025 by OpenAI. This is the official GPT OSS 120B High release date tracked on LLM Stats.

How big is GPT OSS 120B High?

GPT OSS 120B High has 116.8 billion parameters. It ships as an open-weight model, so you can download and run it on your own hardware.

Who created GPT OSS 120B High?

GPT OSS 120B High was created by OpenAI.

What is the license for GPT OSS 120B High?

GPT OSS 120B High is released under the Apache 2.0 license. This is an open-source / open-weight license that permits self-hosting.

Where can I use GPT OSS 120B High?

GPT OSS 120B High is available through 2 providers including OpenAI, Fireworks.

Where is the GPT OSS 120B High paper or technical report?

GPT OSS 120B High has a paper or technical report available at https://cdn.openai.com/pdf/419b6906-9da6-406c-a19d-1bb078ac7637/oai_gpt-oss_model_card.pdf. Use that source for architecture, training, release and evaluation details.