Home / Compare / GPT-6 Astra vs gpt-oss-120b

GPT-6 Astra vs gpt-oss-120b

For a typical chat reply (2,000 tokens in, 400 out), GPT-6 Astra costs 74× as much as gpt-oss-120b: $40.00 against $0.54 per 1,000 requests at list price on 2026-09-28.

GPT-6 Astragpt-oss-120b
Input, per 1M tokens$10.00$0.15
Output, per 1M tokens$50.00$0.60
Context window1.05M131K
Classification or routing (600 tokens in, 10 out), per 1,000$6.50$0.096
Chat reply (2,000 in, 400 out), per 1,000$40.00$0.54
Retrieval-augmented answer (8,000 in, 500 out), per 1,000$105$1.50
Confidence signalnoyes
Tool callingyesyes
BANKING77, correct of 400not measured329

Which one should carry your traffic?

If gpt-oss-120b answers your requests as well as GPT-6 Astra, moving that traffic saves 99% on chat-shaped requests. Averages cannot tell you whether it does for your requests. gpt-oss-120b exposes a confidence signal, so Gimbix can let it answer first and hand unsure cases to GPT-6 Astra.

GPT-6 Astra profile · gpt-oss-120b profile · Measure it on your traffic