Claude Opus 5vsGemini 2.5 Pro Preview 06-05
Gemini 2.5 Pro Preview 06-05 is cheaper than Claude Opus 5 at $1.25/M vs $5/M input tokens.
| Spec | Claude Opus 5 | Gemini 2.5 Pro Preview 06-05 |
|---|---|---|
| Input price | $5/M tokens | $1.25/M tokens |
| Output price | $25/M tokens | $10/M tokens |
| Context window | 1.0M tokens | 1.0M tokens |
| Weights | Closed | Closed |
| Free API (OpenRouter) | No | No |
| Released | Jul 2026 | Jun 2025 |
Our Verdict
Claude Opus 5
Gemini 2.5 Pro Preview 06-05
Not enough votes to call it. On the specs, nothing separates them.
Too close to call
API pricing
Cost per 1M tokens
Claude Opus 5
Input
$5.00
Output
$25.00
Gemini 2.5 Pro Preview 06-05
Input
$1.25
4.0× cheaper
Output
$10.00
2.5× cheaper
Gemini 2.5 Pro Preview 06-05 is cheaper on both: 4.0× input, 2.5× output.
Where to run it
6 hosts, cheapest first
Gemini 2.5 Pro Preview 06-052 hosts
Per million tokens. Prices and uptime via OpenRouter, checked 8 Sep 2026.
Writing DNA
Style Comparison
Similarity
65%
Claude Opus 5 uses 1.7x more emoji
Claude Opus 5
Gemini 2.5 Pro Preview 06-05
54%Vocabulary51%
21wSentence Length15w
0.40Hedging0.31
3.9Bold4.8
1.9Lists4.1
0.02Emoji0.00
0.71Headings0.98
0.05Transitions0.05
Based on 27 + 20 text responses
Research
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FAQ
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