GPT-OSS 120B on Groq vs DeepSeek Flash (V4.1).
GPT-OSS 120B on Groq is 2.0x cheaper.

For a chatbot doing 100K requests a month with 1,000 input and 500 output tokens each: $45.00 vs $90.00.

Groq

GPT-OSS 120B on Groq

Input / 1M$0.15
Cached / 1M—
Output / 1M$0.60
Context131K
Chatbot at 100K req/mo$45.00

Source · Oct 20, 2026

DeepSeek

DeepSeek Flash (V4.1)

Input / 1M$0.30
Cached / 1M$0.006
Output / 1M$1.20
Context1M
Chatbot at 100K req/mo$90.00

Source · Oct 20, 2026

Price isn't everything: check quality on your own prompts. GPT-OSS 120B on Groq wins on list price for this workload, but output-heavy jobs (long answers, agents, reasoning) shift the math toward whichever model has the lower output price, which here is GPT-OSS 120B on Groq.

Run your own workload