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  5. Claude Opus 4vsGemini Pro 1.0
Updated May 2025

Claude Opus 4vsGemini Pro 1.0

Gemini Pro 1.0 is cheaper than Claude Opus 4 at $0.5/M vs $15/M input tokens.

Claude Opus 4 and Gemini Pro 1.0 compared across 26 shared prompts
SpecClaude Opus 4Gemini Pro 1.0
Input price$15/M tokens$0.5/M tokens
Output price$75/M tokens$1.5/M tokens
Context window200K tokens33K tokens
ParametersNot disclosedNot disclosed
WeightsClosed—
Free API (OpenRouter)NoNo
ReleasedMay 2025Dec 2023
Our Verdict
Claude Opus 4
Claude Opus 4
Gemini Pro 1.0
Gemini Pro 1.0Runner-up

Not enough votes to call it. On the specs, Claude Opus 4 has the edge: bigger model tier, newer, bigger context window.

Gemini Pro 1.0 costs 50x less per token.

Slight edge
API pricing

Cost per 1M tokens

Claude Opus 4
Input
$15.00
Output
$75.00
Gemini Pro 1.0
Input
$0.50
30× cheaper
Output
$1.50
50× cheaper

Gemini Pro 1.0 is cheaper on both: 30× input, 50× output.

Where to run it

1 host

Claude Opus 41 host
HostInOutContextUptime
Google Vertex AI$15.00 in·$75.00 out·200k·100% up
Gemini Pro 1.0

No hosts listed on OpenRouter.

Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.

Writing DNA

Style Comparison

Similarity
45%

Claude Opus 4 uses 118.4x more emoji

Claude Opus 4
Gemini Pro 1.0
65%Vocabulary61%
57wSentence Length13w
0.67Hedging0.41
3.8Bold5.3
6.8Lists5.4
1.18Emoji0.00
1.42Headings0.46
0.22Transitions0.38
Based on 27 + 13 text responses
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