Home / Compare / gpt-oss-120b vs Qwen3.8 27B

gpt-oss-120b vs Qwen3.8 27B

For a typical chat reply (2,000 tokens in, 400 out), Qwen3.8 27B costs 3.8× as much as gpt-oss-120b: $2.04 against $0.54 per 1,000 requests at list price on 2026-09-28.

gpt-oss-120bQwen3.8 27B
Input, per 1M tokens$0.15$0.42
Output, per 1M tokens$0.60$3.00
Context window131K1M
Classification or routing (600 tokens in, 10 out), per 1,000$0.096$0.282
Chat reply (2,000 in, 400 out), per 1,000$0.54$2.04
Retrieval-augmented answer (8,000 in, 500 out), per 1,000$1.50$4.86
Confidence signalyesyes
Tool callingyesyes
BANKING77, correct of 400329264

Which one should carry your traffic?

If gpt-oss-120b answers your requests as well as Qwen3.8 27B, moving that traffic saves 74% 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 Qwen3.8 27B.

gpt-oss-120b profile · Qwen3.8 27B profile · Measure it on your traffic