On blended cost, Google: Nano Banana Pro (Gemini 3 Pro Image) ($4.50/M) is about 93% cheaper than OpenAI: GPT-5.5 Pro ($67.50/M) per 1M tokens. Google: Nano Banana Pro (Gemini 3 Pro Image) wins on input price, Google: Nano Banana Pro (Gemini 3 Pro Image) on output, and OpenAI: GPT-5.5 Pro has the larger context window.
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Frequently asked questions
- Is OpenAI: GPT-5.5 Pro or Google: Nano Banana Pro (Gemini 3 Pro Image) cheaper?
- On a blended basis Google: Nano Banana Pro (Gemini 3 Pro Image) is cheaper at $4.50/M per 1M tokens versus $67.50/M for OpenAI: GPT-5.5 Pro — about 93% less. Blended weights input 3:1 over output.
- OpenAI: GPT-5.5 Pro vs Google: Nano Banana Pro (Gemini 3 Pro Image): input token cost?
- OpenAI: GPT-5.5 Pro charges $30.00/M per 1M input tokens; Google: Nano Banana Pro (Gemini 3 Pro Image) charges $2.00/M. Google: Nano Banana Pro (Gemini 3 Pro Image) is cheaper on input.
- OpenAI: GPT-5.5 Pro vs Google: Nano Banana Pro (Gemini 3 Pro Image): output token cost?
- OpenAI: GPT-5.5 Pro charges $180/M per 1M output tokens; Google: Nano Banana Pro (Gemini 3 Pro Image) charges $12.00/M. Google: Nano Banana Pro (Gemini 3 Pro Image) is cheaper on output.
- Which has the larger context window, OpenAI: GPT-5.5 Pro or Google: Nano Banana Pro (Gemini 3 Pro Image)?
- OpenAI: GPT-5.5 Pro supports 1,050,000 tokens and Google: Nano Banana Pro (Gemini 3 Pro Image) supports 131,072 tokens, so OpenAI: GPT-5.5 Pro handles longer inputs in a single call.
- How do I track OpenAI: GPT-5.5 Pro and Google: Nano Banana Pro (Gemini 3 Pro Image) price changes?
- Token Price Index Pro ($9/mo) emails you the instant either model changes price, so a hike never catches you out.
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