Gemini 2.5 Pro Preview 06-05vsGPT-1
Gemini 2.5 Pro Preview 06-05 has a larger context window than GPT-1 (1.0M tokens vs 1K tokens).
| Spec | Gemini 2.5 Pro Preview 06-05 | GPT-1 |
|---|---|---|
| Input price | $1.25/M tokens | — |
| Output price | $10/M tokens | — |
| Context window | 1.0M tokens | 1K tokens |
| Parameters | Not disclosed | 117M |
| Weights | Closed | Open |
| Free API (OpenRouter) | No | — |
| Released | Jun 2025 | Jun 2018 |
Our Verdict
Gemini 2.5 Pro Preview 06-05
GPT-1Runner-up
Not enough votes to call it. On the specs, Gemini 2.5 Pro Preview 06-05 has the edge: bigger model tier, newer, bigger context window.
Slight edge
API pricing
Cost per 1M tokens
Gemini 2.5 Pro Preview 06-05
Input
$1.25
Output
$10.00
GPT-1
Input
—
Output
—
Where to run it
2 hosts, cheapest first
Gemini 2.5 Pro Preview 06-052 hosts
GPT-1
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.
Writing DNA
Style Comparison
Similarity
46%
Gemini 2.5 Pro Preview 06-05 uses 482.5x more bold
Gemini 2.5 Pro Preview 06-05
GPT-1
51%Vocabulary65%
15wSentence Length14w
0.31Hedging0.27
4.8Bold0.0
4.1Lists0.3
0.00Emoji0.00
0.98Headings0.00
0.05Transitions0.41
Based on 20 + 7 text responses
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