Home / Compare / gpt-oss-120b vs Grok 4.7

gpt-oss-120b vs Grok 4.7

For a typical chat reply (2,000 tokens in, 400 out), Grok 4.7 costs 9.5× as much as gpt-oss-120b: $5.12 against $0.54 per 1,000 requests at list price on 2026-09-28.

gpt-oss-120bGrok 4.7
Input, per 1M tokens$0.15$1.60
Output, per 1M tokens$0.60$4.80
Context window131K500K
Classification or routing (600 tokens in, 10 out), per 1,000$0.096$1.01
Chat reply (2,000 in, 400 out), per 1,000$0.54$5.12
Retrieval-augmented answer (8,000 in, 500 out), per 1,000$1.50$15.20
Confidence signalyesyes
Tool callingyesyes
BANKING77, correct of 400329not measured

Which one should carry your traffic?

If gpt-oss-120b answers your requests as well as Grok 4.7, moving that traffic saves 89% 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 Grok 4.7.

gpt-oss-120b profile · Grok 4.7 profile · Measure it on your traffic