gpt-oss-120b is 4.7× cheaper per million tokens (blended). DeepSeek Flash Latest has the larger context window (1,048,576 vs 131,072 tokens, 8.0×). gpt-oss-120b is open-weights; the other is not.

gpt-oss-120b vs DeepSeek Flash Latest

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

gpt-oss-120bopen

OpenAI · openai__gpt-oss-120b

DeepSeek Flash Latest

~deepseek · ~deepseek__deepseek-flash-latest

Identity

Fieldopenai__gpt-oss-120b~deepseek__deepseek-flash-latest
ProviderOpenAI~deepseek
Slugopenai__gpt-oss-120b~deepseek__deepseek-flash-latest
Statuslivelive
Open weightsYesNo
License——
HuggingFaceopenai/gpt-oss-120b—

Quality

Fieldopenai__gpt-oss-120b~deepseek__deepseek-flash-latest
Quality index (0–100)——

Cost

Fieldopenai__gpt-oss-120b~deepseek__deepseek-flash-latest
Input $ / 1M tokens$0.02$0.01
Cached input $ / 1M$0.02$0.01
Output $ / 1M tokens$0.09$0.50

Context

Fieldopenai__gpt-oss-120b~deepseek__deepseek-flash-latest
Max context tokens131,0721,048,576
Max output tokens65,536943,718

Modalities

Fieldopenai__gpt-oss-120b~deepseek__deepseek-flash-latest
Inputtexttext, image
Outputtexttext