Input token cost comparison calculator
Every prompt, document, and system message costs input tokens. Google Gemini Gemini 2.0 Flash (001) is $0.1 per million input tokens. OpenAI o3 is $15. For read-heavy workloads, Google Gemini Gemini 2.0 Flash (001) wins. If you process huge documents daily, that gap adds up fast—pick Google Gemini Gemini 2.0 Flash (001) over OpenAI o3 when quality is similar. Use our calculator above to see exact input costs.