Gemini 3.8 Flash vs Grok Build 0.1: Pricing and Specs
Gemini 3.8 Flash $0.75 / $3.75 vs Grok Build 0.1 $1 / $2 per 1M tokens in / out.
| Gemini 3.8 Flash | Grok Build 0.1 | |
|---|---|---|
| Maker | xAI | |
| Input, per 1M tokens | $0.75 | $1 |
| Output, per 1M tokens | $3.75 | $2 |
| Context window | 1,048,576 input tokens google.dev | 256,000 tokens x.ai |
| Max output | 65,536 tokens google.dev | Not published in the docs we read |
| Input types | Text, Image, Video, Audio, PDF google.dev | Text, Image x.ai |
| Output types | Text google.dev | Text x.ai |
| Released | Sep 2, 2026 google.com | Not published in the docs we read |
| Price checked | Nov 9, 2026 google.dev | Nov 9, 2026 x.ai |
| Tracked changes | 1 | 0 |
Facts side by side from each maker's own pages. No score and no verdict.
Recent changes
Announced, not in effect yet
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Questions
Which is cheaper, Gemini 3.8 Flash or Grok Build 0.1
By listed price, Gemini 3.8 Flash is lower: $0.75 vs $1 per 1M input tokens. Price is the only thing this answer compares.
What do 1M input and 1M output tokens cost on each
Gemini 3.8 Flash: $4.50. Grok Build 0.1: $3. Listed standard prices, before caching or batch discounts.
What context window does each have
Gemini 3.8 Flash: 1,048,576 input tokens. Grok Build 0.1: 256,000 tokens. From each maker's docs.
Who makes Gemini 3.8 Flash and Grok Build 0.1
Gemini 3.8 Flash is made by Google. Grok Build 0.1 is made by xAI.