Models

Comparison

GPT-OSS 20B vs GPT-OSS 120B

GPT-OSS 20B and GPT-OSS 120B side by side on Silicon Network: context length, capabilities, parameters, and the per-token price of each.

Specifications
GPT-OSS 20BGPT-OSS 120B
API model idgpt-oss-20bgpt-oss-120b
Base modelGPT-OSS 20BGPT-OSS 120B
FamilyOpenAI OSSOpenAI OSS
Parameters20B120B
Size classMedium (6B to 40B)Large (40B to 200B)
Context length131,072 tokens (128K)131,072 tokens (128K)
CapabilitiesText and ReasoningText and Reasoning
Served weightsMXFP4-Q8MXFP4-Q8
Weights size12 GB70.7 GB
Input priceUnavailableUnavailable
Output priceUnavailableUnavailable

The published rates could not be loaded just now. The pricing page reads them live.

Differences

  • Both have a context window of 131,072 tokens.
  • GPT-OSS 120B is the larger model by total parameters: 120B against 20B.
  • Both support the same capabilities: Text and Reasoning.

Whether a model is loaded on a node right now changes through the day; the pricing page shows it live. A model that is not loaded answers 404 until an operator loads it.

About these figures

Context length, capabilities, and weights size come from the model card each id is served with. Rates are the published per-token prices, refreshed every few minutes. There are no speed figures here: the network does not publish per-model throughput yet.

Silicon Network›Models›GPT-OSS 20B vs GPT-OSS 120B13 items