Model comparison Synced Mar 10, 2026

Google: Gemini 3.1 Pro Preview Custom Tools vs OpenAI: GPT Audio

Side-by-side comparison of Google: Gemini 3.1 Pro Preview Custom Tools and OpenAI: GPT Audio. Compare pricing, context window, capabilities, and find out which is better for your workflow.

Verdict

strong confidence

Google: Gemini 3.1 Pro Preview Custom Tools leads overall

Google: Gemini 3.1 Pro Preview Custom Tools leads in context window and capabilities and max output, making it the stronger choice for most workflows. OpenAI: GPT Audio remains competitive with advantages in price.

Best for with Google: Gemini 3.1 Pro Preview Custom Tools

Long document processingMulti-modal tasksLong-form content generation

Best for with OpenAI: GPT Audio

Budget-conscious workflows

Side-by-side

Technical specifications

	Google: Gemini 3.1 Pro Preview Custom Tools	OpenAI: GPT Audio
Provider	Google	OpenAI
Input price	$2/M	$3/M
Output price	$12/M	$10/M
Context window	1.0M	128K
Max output	66K	16K
Capabilities	Tool useVisionAudioReasoning	Audio
Released	Feb 25, 2026	Jan 19, 2026

View Google: Gemini 3.1 Pro Preview Custom Tools profile View OpenAI: GPT Audio profile

Scoring breakdown