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Gemini 3 Flash Preview vs GPT-5.4 Nano

List-price comparison ·Gemini 3 Flash Preview details ·GPT-5.4 Nano details

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For a typical workload (100,000 requests / mo), GPT-5.4 Nano is the cheapest — 59% less than the priciest here ($74.00/mo vs $180.00/mo).

 Gemini 3 Flash PreviewGPT-5.4 Nano
Input / 1M tokens$0.500$0.200
Output / 1M tokens$3.00$1.25
Typical request (1,200 in + 400 out)$0.0018$0.0007
Context window1,048,576 tokens400k tokens
Max output65,535 tokens128k tokens
Quality score80/10062/100
TierFlashFlash
ProviderGoogleOpenAI

Projected monthly cost

Requests / moGemini 3 Flash PreviewGPT-5.4 Nano
1,000$1.80$0.74
10,000$18.00$7.40
100,000$180.00$74.00
Open all in the calculator — adjust volume and token counts →

Gemini 3 Flash Preview

Auto-synced from OpenRouter — no editorial write-up yet.

GPT-5.4 Nano

Cheapest OpenAI option for high-throughput classification, tagging, and routing — ideal as a first-pass filter before a stronger model.

Limited reasoning depth means it should be treated as a triage layer, not a final answer source, for anything business-critical.

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Vendor list rates · per-request examples assume 1,200 input + 400 output tokens.