Gemini 2.5 Pro Preview 06-05vsKimi K2
Kimi K2 is cheaper than Gemini 2.5 Pro Preview 06-05 at $0.57/M vs $1.25/M input tokens.
| Spec | Gemini 2.5 Pro Preview 06-05 | Kimi K2 |
|---|---|---|
| Input price | $1.25/M tokens | $0.57/M tokens |
| Output price | $10/M tokens | $2.3/M tokens |
| Context window | 1.0M tokens | — |
| Weights | Closed | Open |
| Free API (OpenRouter) | No | No |
| Released | Jun 2025 | Jul 2025 |
| SWE-bench Verified | 67.2% | 65.8% |
Our Verdict
Gemini 2.5 Pro Preview 06-05
Kimi K2
Not enough votes to call it. On the specs, nothing separates them.
Kimi K2 takes Image Generation. Kimi K2 costs 4.3x less per token.
Too close to call
Reviewing agent-written code?See a Brief PR report
API pricing
Cost per 1M tokens
Gemini 2.5 Pro Preview 06-05
Input
$1.25
Output
$10.00
Kimi K2
Input
$0.57
2.2× cheaper
Output
$2.30
4.3× cheaper
Kimi K2 is cheaper on both: 2.2× input, 4.3× output.
Where to run it
3 hosts, cheapest first
Gemini 2.5 Pro Preview 06-052 hosts
Kimi K21 host
Per million tokens. Prices and uptime via OpenRouter, checked 11 Sep 2026.
Writing DNA
Style Comparison
Similarity
31%
Kimi K2 uses 53.8x more emoji
Gemini 2.5 Pro Preview 06-05
Kimi K2
51%Vocabulary66%
15wSentence Length19w
0.31Hedging0.34
4.8Bold3.3
4.1Lists3.4
0.00Emoji0.54
0.98Headings0.48
0.05Transitions0.05
Based on 20 + 28 text responses
Research
What we learned reading every model
FAQ
Common questions
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