Model comparison Synced Apr 6, 2026

Google: Nano Banana (Gemini 2.5 Flash Image) vs OpenAI: o3

Side-by-side comparison of Google: Nano Banana (Gemini 2.5 Flash Image) and OpenAI: o3. Compare pricing, context window, capabilities, and find out which is better for your workflow.

Verdict

strong confidence

OpenAI: o3 leads overall

OpenAI: o3 leads in context window and capabilities and max output, making it the stronger choice for most workflows. Google: Nano Banana (Gemini 2.5 Flash Image) remains competitive with advantages in price.

Best for with Google: Nano Banana (Gemini 2.5 Flash Image)

Budget-conscious workflows

Best for with OpenAI: o3

Long document processingMulti-modal tasksLong-form content generation

Side-by-side

Technical specifications

	Google: Nano Banana (Gemini 2.5 Flash Image)	OpenAI: o3
Provider	Google	OpenAI
Input price	$0.30/M	$2/M
Output price	$3/M	$8/M
Context window	33K	200K
Max output	33K	100K
Capabilities	Vision	Tool useVisionReasoning
Released	Oct 7, 2025	Apr 16, 2025

View Google: Nano Banana (Gemini 2.5 Flash Image) profile View OpenAI: o3 profile

Scoring breakdown