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
Claude Opus 5.5
Data from September 27, 2026
Published September 22, 2026
The current version of the Opus series for working with long prompts, text and code.
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
$4 input / $20 output per million tokens in standard API mode.
$0.75 input / $3.75 output per million tokens through December 31, 2026. From January 1, 2027: $1.50 / $7.50.
The provider reports a medium response time within the Claude family.
We have not independently measured speed on a comparable basis.
Claude API, Amazon Bedrock, Google Cloud and Microsoft Foundry
Gemini API and Google AI Studio
1 million tokens; standard output capped at 128 thousand tokens.
1,048,576 input tokens; output capped at 65,536 tokens.
Text and images → text
Text, images, video, audio and PDF → text
Claude Opus 5.5
Use when…
- Programming and multi-step tasks
- Analysis of long documents and images
Choose another model when…
- For short, routine tasks, compare the cost with cheaper models.
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