Compare AI models

Specifications
Context windowHow much information the model can work with in one request, measured in tokens — pieces of words or other data. This includes your question, attachments, conversation and reply. Limits can vary by model variant and provider.
1M400k
These models have no shared benchmark scores.
Overview
CompanyGoogleOpenAI
Release dateSep 24 2024Sep 15 2025
AccessClosedClosed
Model detailsView modelView model

Frequently asked questions

Gemini 1.5 Flash-002 and GPT-5-Codex don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemini 1.5 Flash-002 shipped 356 days before GPT-5-Codex, so benchmark comparisons should account for the intervening progress.

Context windows are 1M (Gemini 1.5 Flash-002) vs 400k (GPT-5-Codex).

Direct benchmark comparisons are unavailable — Gemini 1.5 Flash-002 and GPT-5-Codex don't publish scores on any of the same benchmarks.