Gemini 3 Flash PreviewvsGrok Code Fast 1
Grok Code Fast 1 is cheaper than Gemini 3 Flash Preview at $0.2/M vs $0.5/M input tokens.
| Spec | Gemini 3 Flash Preview | Grok Code Fast 1 |
|---|---|---|
| Input price | $0.5/M tokens | $0.2/M tokens |
| Output price | $3/M tokens | $1.5/M tokens |
| Context window | 1.0M tokens | 256K tokens |
| Released | Dec 2025 | Aug 2025 |
| SWE-bench Verified | 78.0% | 70.8% |
Our Verdict
Gemini 3 Flash Preview
Grok Code Fast 1Runner-up
Not enough votes to call it. On the specs, Gemini 3 Flash Preview has the edge: bigger model tier, newer, bigger context window.
Gemini 3 Flash Preview wins Web Design and Image Generation.
Slight edge
API pricing
Cost per 1M tokens
Gemini 3 Flash Preview
Input
$0.50
Output
$3.00
Grok Code Fast 1
Input
$0.20
2.5× cheaper
Output
$1.50
2.0× cheaper
Grok Code Fast 1 is cheaper on both — 2.5× input, 2.0× output
Writing DNA
Style Comparison
Similarity
33%
Grok Code Fast 1 uses 6.0x more emoji
Gemini 3 Flash Preview
Grok Code Fast 1
55%Vocabulary60%
18wSentence Length17w
0.42Hedging0.97
7.1Bold2.8
4.5Lists2.5
0.00Emoji0.06
0.84Headings0.89
0.07Transitions0.11
Based on 24 + 23 text responses
Research
What we learned reading every model
FAQ
Common questions
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