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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

Model A Anthropic

Claude Opus 5

Older profile · current status unverified
Data from July 31, 2026
Release date unverified

The most demanding information tasks

A choice for complex analysis, long tasks involving multiple steps and outputs where quality matters more than speed and cost.

Model B Google

Gemini 3.8 Flash

Data from September 27, 2026
Published September 2, 2026

Documents, media and automation

Processes text, images, audio and video; the output is text.

Price, speed and usage

Costs
Model A · Claude Opus 5

High · $5 per million input tokens and $25 per million output tokens; a token is a small piece of text

Model B · Gemini 3.8 Flash

$0.75 input / $3.75 output per million tokens through December 31, 2026. From January 1, 2027: $1.50 / $7.50.

Speed
Model A · Claude Opus 5

Rather slow at the most thorough setting

Model B · Gemini 3.8 Flash

We have not independently measured speed on a comparable basis.

Availability
Model A · Claude Opus 5

Online service and apps from Anthropic

Model B · Gemini 3.8 Flash

Gemini API and Google AI Studio

Input length
Model A · Claude Opus 5

Very long input · up to 1 million tokens (small pieces of text)

Model B · Gemini 3.8 Flash

1,048,576 input tokens; output capped at 65,536 tokens.

Inputs
Model A · Claude Opus 5

Text and image inputs

Model B · Gemini 3.8 Flash

Text, images, video, audio and PDF → text

Claude Opus 5

Use when…

  • Complex research and supporting information for decisions
  • Long tasks the model solves in several steps
  • Advanced coding and independent code review

Choose another model when…

  • Routine sorting and simple transcriptions
  • Interactive tasks requiring an immediate response

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

Open the reference materials for each model