Is OpenAI o3-mini (High) or Gemini 3 Pro Image cheaper?

OpenAI o3-mini (High) is cheaper on output tokens ($2.59 vs $12.00 per 1M).

Which has the larger context window, OpenAI o3-mini (High) or Gemini 3 Pro Image?

Gemini 3 Pro Image has the larger context window (1M tokens).

OpenAI o3-mini (High) vs Gemini 3 Pro Image

OpenAI o3-mini (High) is cheaper on output tokens, while Gemini 3 Pro Image offers a larger context window. Choose OpenAI o3-mini (High) or Gemini 3 Pro Image based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	OpenAI o3-mini (High)	Gemini 3 Pro Image
Provider	NanoGPT	NanoGPT
Input / 1M tokens	$0.64	$2.00
Output / 1M tokens	$2.59	$12.00
Context window	200K	1M
Parameters	—	—
Open weights	No	No
Released	Jan 2025	Nov 2025

OpenAI o3-mini (High) details →Gemini 3 Pro Image details →

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.