Compare AI models

API pricing
Input price
$2.00$5.00
Output price
$10.00$30.00
Cached input price
$0.10$0.50
Cheapest input
—$1.00OpenAI
Cheapest output
—$5.00OpenAI
Benchmarks
Gray Swan IPI · k = 15
0.7%20%
DeepSWE 1.1
77.9%73%
Terminal-Bench 4.0
57.4%37.27%
Overview
CompanyGoogleOpenAI
Release dateSep 30 2026Jun 26 2026
AccessClosedClosed
Model detailsView modelView model

Frequently asked questions

Gemini 4 Argon leads GPT-5.6 Sol on 3 of the 3 benchmarks they both report (Gray Swan IPI, DeepSWE 1.1, Terminal-Bench 4.0). Gemini 4 Argon is cheaper on both input and output: $2.00 vs $5.00 per million input tokens, and $10.00 vs $30.00 per million output tokens. Figures are base-tier rates. GPT-5.6 Sol shipped 96 days before Gemini 4 Argon, 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 Gray Swan IPI · k = 15, Gemini 4 Argon leads at 0.7% vs GPT-5.6 Sol at 20%. On DeepSWE 1.1, Gemini 4 Argon leads at 77.9% vs GPT-5.6 Sol at 73%. On Terminal-Bench 4.0, Gemini 4 Argon leads at 57.4% vs GPT-5.6 Sol at 37.27%.