Compare AI models

Specifications
Context window
1M—
API pricing
Input price
—$2.50
Output price
—$15.00
Cached input price
—$0.25
Cheapest input
$0.375Google$1.25OpenAI
Cheapest output
$1.875Google$7.50OpenAI
Benchmarks
Next.js Evals
90%65%
ARC-AGI-2
89.2%73.95%
Overview
CompanyGoogleOpenAI
Release dateSep 2 2026Mar 5 2026
AccessClosedClosed
Model detailsView modelView model

Frequently asked questions

Gemini 3.8 Flash leads GPT-5.4 on 2 of the 2 benchmarks they both report (Next.js Evals, ARC-AGI-2). Only GPT-5.4 has a verified first-party API price: $2.50 per million input tokens and $15.00 per million output tokens. No pay-as-you-go API rate is tracked for Gemini 3.8 Flash. GPT-5.4 shipped 181 days before Gemini 3.8 Flash, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

On Next.js Evals, Gemini 3.8 Flash leads at 90% vs GPT-5.4 at 65%. On ARC-AGI-2, Gemini 3.8 Flash leads at 89.2% vs GPT-5.4 at 73.95%.