Compare AI models

Specifications
Context window
1M128k
API pricing
Input price
$0.75—
Output price
$3.75—
Cached input price
$0.075—
Cheapest input
$0.375Google—
Cheapest output
$1.875Google—

These models have no shared benchmark scores.

Overview
CompanyGoogleOpenAI
Release dateAug 13 2026Feb 12 2026
AccessClosedClosed
Model detailsView modelView model

Frequently asked questions

Gemini 3.7 Flash and GPT-5.3-Codex-Spark don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Only Gemini 3.7 Flash has a verified first-party API price: $0.75 per million input tokens and $3.75 per million output tokens. No pay-as-you-go API rate is tracked for GPT-5.3-Codex-Spark. GPT-5.3-Codex-Spark shipped 182 days before Gemini 3.7 Flash, so benchmark comparisons should account for the intervening progress.

Context windows are 1M (Gemini 3.7 Flash) vs 128k (GPT-5.3-Codex-Spark).

Direct benchmark comparisons are unavailable — Gemini 3.7 Flash and GPT-5.3-Codex-Spark don't publish scores on any of the same benchmarks.