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Nova Micro 1.0 vs GPT-5.4 Nano

For a typical chat reply (2,000 tokens in, 400 out), GPT-5.4 Nano costs 7.1× as much as Nova Micro 1.0: $0.90 against $0.126 per 1,000 requests at list price on 2026-09-28.

Nova Micro 1.0GPT-5.4 Nano
Input, per 1M tokens$0.035$0.20
Output, per 1M tokens$0.14$1.25
Context window128K400K
Classification or routing (600 tokens in, 10 out), per 1,000$0.0224$0.133
Chat reply (2,000 in, 400 out), per 1,000$0.126$0.90
Retrieval-augmented answer (8,000 in, 500 out), per 1,000$0.35$2.23
Confidence signalnono
Tool callingyesyes

Which one should carry your traffic?

If Nova Micro 1.0 answers your requests as well as GPT-5.4 Nano, moving that traffic saves 86% on chat-shaped requests. Averages cannot tell you whether it does for your requests. Nova Micro 1.0 does not expose a confidence signal through OpenRouter, so Gimbix would test it as a full replacement rather than a first answer.

Nova Micro 1.0 profile · GPT-5.4 Nano profile · Measure it on your traffic