Model comparison
Same task, different trade-offs.
We are not looking for an absolute winner. The comparison shows which model better suits your work, budget and required speed.
Models being compared
GPT-5.6 Sol
Older profile · current status unverified
Data from July 31, 2026
Release date unverified
A model for the hardest logic problems, mathematics and autonomous coding. It makes sense where results can be verified through tests or additional sources.
Gemini 3.8 Flash
Data from September 27, 2026
Published September 2, 2026
Processes text, images, audio and video; the output is text.
Price, speed and usage
High · standard pricing is $5 per million input tokens and $30 per million output tokens; Fast mode costs twice as much
$0.75 input / $3.75 output per million tokens through December 31, 2026. From January 1, 2027: $1.50 / $7.50.
Medium to slow depending on thoroughness; Fast mode can be up to 2.5× faster
We have not independently measured speed on a comparable basis.
Online service from OpenAI and the Codex tool
Gemini API and Google AI Studio
Varies by product and mode
1,048,576 input tokens; output capped at 65,536 tokens.
Text and, depending on the service used, image inputs
Text, images, video, audio and PDF → text
GPT-5.6 Sol
Use when…
- Advanced coding and terminal work
- Mathematical and analytical problems
- Tasks with measurable results and automated checks
Choose another model when…
- Simple communication and routine content
- Low-cost processing of large volumes of data
Gemini 3.8 Flash
Use when…
- Analysis of documents, audio and video
- Programming and multi-step business tasks
Choose another model when…
- A different model is needed to generate images or audio directly.
Original sources