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
Grok 4.5
Older profile · current status unverified
Data from July 31, 2026
Release date unverified
A powerful general-purpose model also suited to programming, with a good balance of capabilities and cost. Suitable for tasks where the result can be verified.
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
Medium · approximately $0.31 per Intelligence Index task
$0.75 input / $3.75 output per million tokens through December 31, 2026. From January 1, 2027: $1.50 / $7.50.
Medium depending on the thoroughness setting
We have not independently measured speed on a comparable basis.
xAI's online service and products
Gemini API and Google AI Studio
Varies by specific version
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
Grok 4.5
Use when…
- Programming with tests and automated checks
- Solving complex problems on a limited budget
- A second model from a different provider for comparison
Choose another model when…
- Outputs where facts cannot be verified
- Processes dependent on a single platform with no fallback option
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