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Gemini 3.1 Pro Preview vs Claude Opus 4.8

Compare Gemini 3.1 Pro Preview and Claude Opus 4.8 by pricing, context window, modalities, reasoning support, tool calling, and release details, knowledge cutoff and more.

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Gemini 3.1 Pro Preview
Claude Opus 4.8
Name
Gemini 3.1 Pro Preview
Claude Opus 4.8
Provider
Google
Anthropic
Family
gemini-pro
claude-opus
Model ID
gemini-3.1-pro-preview
claude-opus-4-8
Status
—
—
Released
Feb 19, 2026
May 28, 2026
Last updated
Feb 19, 2026
May 28, 2026
Context
1,048,576
1,000,000
Input limit
—
—
Output limit
65,536
128,000
Input types
text, image, video, audio, pdf
text, image, pdf
Output types
text
text
Reasoning
Yes
Yes
Tool call
Yes
Yes
Structured output
supported
supported
Temperature
supported
unsupported
Attachment
Yes
Yes
Open weights
No
No
Knowledge
Knowledge cutoff date
2025-01
2026-01
Cache read
$0.20
$0.50
Cache write
—
$6.25
Input
$2.00
$5.00
Input audio
—
—
Output
$12.00
$25.00
Output audio
—
—
200k+ cache read
$0.40
—
200k+ cache write
—
—
200k+ input
$4.00
—
200k+ output
$18.00
—
Reasoning cost
—
—
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