gpt-oss-120b is 32.4× cheaper per million tokens (blended). Gemini 3 Flash Preview has the larger context window (1,048,576 vs 131,072 tokens, 8.0×). gpt-oss-120b is open-weights; the other is not.

Gemini 3 Flash Preview vs gpt-oss-120b

Live catalog fields. Best-in-row is highlighted.

Gemini 3 Flash Preview

Google · google__gemini-3-flash-preview

gpt-oss-120bopen

OpenAI · openai__gpt-oss-120b

Identity

Fieldgoogle__gemini-3-flash-previewopenai__gpt-oss-120b
ProviderGoogleOpenAI
Sluggoogle__gemini-3-flash-previewopenai__gpt-oss-120b
Statuslivelive
Open weightsNoYes
License——
HuggingFace—openai/gpt-oss-120b

Quality

Fieldgoogle__gemini-3-flash-previewopenai__gpt-oss-120b
Quality index (0–100)——

Cost

Fieldgoogle__gemini-3-flash-previewopenai__gpt-oss-120b
Input $ / 1M tokens$0.50$0.02
Cached input $ / 1M$0.05$0.02
Output $ / 1M tokens$3.00$0.09

Context

Fieldgoogle__gemini-3-flash-previewopenai__gpt-oss-120b
Max context tokens1,048,576131,072
Max output tokens65,53665,536

Modalities

Fieldgoogle__gemini-3-flash-previewopenai__gpt-oss-120b
Inputtext, image, file, audio, videotext
Outputtexttext