Model comparison Synced Mar 10, 2026

Google: Nano Banana Pro (Gemini 3 Pro Image Preview) vs OpenAI: GPT-5.1-Codex-Max

Side-by-side comparison of Google: Nano Banana Pro (Gemini 3 Pro Image Preview) and OpenAI: GPT-5.1-Codex-Max. Compare pricing, context window, capabilities, and find out which is better for your workflow.

Verdict

strong confidence

OpenAI: GPT-5.1-Codex-Max leads overall

OpenAI: GPT-5.1-Codex-Max leads in price and context window and capabilities and max output, making it the stronger choice for most workflows. Google: Nano Banana Pro (Gemini 3 Pro Image Preview) remains a solid alternative depending on your specific needs.

Best for with Google: Nano Banana Pro (Gemini 3 Pro Image Preview)

No clear advantages identified

Best for with OpenAI: GPT-5.1-Codex-Max

Budget-conscious workflowsLong document processingMulti-modal tasksLong-form content generation

Side-by-side

Technical specifications

	Google: Nano Banana Pro (Gemini 3 Pro Image Preview)	OpenAI: GPT-5.1-Codex-Max
Provider	Google	OpenAI
Input price	$2/M	$1/M
Output price	$12/M	$10/M
Context window	66K	400K
Max output	N/A	128K
Capabilities		Tool useVisionReasoning
Released	Nov 20, 2025	Dec 4, 2025

View Google: Nano Banana Pro (Gemini 3 Pro Image Preview) profile View OpenAI: GPT-5.1-Codex-Max profile

Scoring breakdown