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Gemini 3.5 Flash vs GPT-4.1 Nano

List-price comparison · Gemini 3.5 Flash details · GPT-4.1 Nano details

For a typical workload (100,000 requests / mo), GPT-4.1 Nano costs 95% less $28.00/mo vs $540.00/mo.

 Gemini 3.5 FlashGPT-4.1 Nano
Input / 1M tokens$1.50$0.100
Output / 1M tokens$9.00$0.400
Typical request (1,200 in + 400 out)$0.0054$0.0003
Context window1,048,576 tokens1,047,576 tokens
Max output65,536 tokens32,768 tokens
TierFlashFlash
ProviderGoogleOpenAI

Projected monthly cost

Rows open both models in the calculator — adjust volume and token counts there.

Gemini 3.5 Flash

Fast, cheap multi-modal model with the same 1M-token context as the Pro tier — good for high-volume document Q&A and image/audio triage.

Reasoning quality trails the Pro tier on complex, multi-step tasks; best used where speed and context size matter more than depth.

GPT-4.1 Nano

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

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