Model Comparison
GPT OSS 120B vs GPT OSS 120B HighWhich is better in 2026?
GPT OSS 120B High significantly outperforms across most benchmarks. GPT OSS 120B is 1.1x cheaper per token.
Verdict: GPT OSS 120B vs GPT OSS 120B High — which is better?
GPT OSS 120B (by OpenAI) and GPT OSS 120B High (by OpenAI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.
GPT OSS 120B outperforms in 0 benchmarks, while GPT OSS 120B High is better at 1 benchmark (GPQA). GPT OSS 120B High significantly outperforms across most benchmarks.
On price, GPT OSS 120B is roughly 1.1x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Choose GPT OSS 120B if…
- cost matters — it's about 1.1x cheaper per token
Choose GPT OSS 120B High if…
- you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
Performance Benchmarks
Comparative analysis across standard metrics
GPT OSS 120B outperforms in 0 benchmarks, while GPT OSS 120B High is better at 1 benchmark (GPQA).
GPT OSS 120B High significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, GPT OSS 120B ($0.09/1M tokens) is 1.1x cheaper than GPT OSS 120B High ($0.10/1M tokens).
For output processing, GPT OSS 120B ($0.45/1M tokens) is 1.1x cheaper than GPT OSS 120B High ($0.50/1M tokens).
In conclusion, GPT OSS 120B High is more expensive than GPT OSS 120B.*
* Using a 3:1 ratio of input to output tokens
Model Size
Parameter count comparison
GPT OSS 120B High has 0.0B more parameters than GPT OSS 120B, making it 0.0% larger.
Context Window
Maximum input and output token capacity
Both models have the same input context window of 131,072 tokens. Both models can generate responses up to 131,072 tokens.
License
Usage and distribution terms
Both models are licensed under Apache 2.0.
Both models share the same licensing terms, providing consistent usage rights.
Apache 2.0
Open weights
Apache 2.0
Open weights
Release Timeline
When each model was launched
Both models were released on 2025-08-05.
They likely represent similar generations of model development.
Aug 5, 2025
1.0 years ago
Aug 5, 2025
1.0 years ago
Knowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
GPT OSS 120B is available from DeepInfra, Novita, OpenAI, Fireworks, Groq. GPT OSS 120B High is available from OpenAI, Fireworks.
GPT OSS 120B
GPT OSS 120B High
Outputs Comparison
Key Takeaways
GPT OSS 120B
View detailsOpenAI
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against GPT OSS 120B and GPT OSS 120B High side-by-side, then vote on the output you prefer.
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FAQ
Common questions about GPT OSS 120B vs GPT OSS 120B High.