SpaceXAI: Grok Build 0.1 vs Google: Gemini 3.1 Flash Lite Preview
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.
| SpaceXAI: Grok Build 0.1 | Google: Gemini 3.1 Flash Lite Preview | |
|---|---|---|
| Vendor | x-ai | |
| Quality Score | 100 | 100 |
| Input Price | $1.00/M | $0.25/M |
| Output Price | $2.00/M | $1.50/M |
| Context Window | 256,000 | 1,048,576 |
| Max Output | 230,400 | 65,536 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | ✓ |
The verdict
For a sample job of 1 million input tokens and 250,000 output tokens, Gemini 3.1 Flash Lite Preview costs $0.62 and Grok Build 0.1 costs $1.50, so Gemini 3.1 Flash Lite Preview is about 2.4 times cheaper for the same work.
Gemini 3.1 Flash Lite Preview reads up to 1,048,576 tokens at once, roughly 1,573 pages of text, against about 384 pages for Grok Build 0.1.
Only Gemini 3.1 Flash Lite Preview offers audio input and video input.
Across the 18 tasks where they differ, Gemini 3.1 Flash Lite Preview on 18 (SQL Generation, Code Review, Code Completion and others).
Grok Build 0.1 was released in May 2026 and Gemini 3.1 Flash Lite Preview in March 2026.
Pick Gemini 3.1 Flash Lite Preview if you need lower cost, long documents, audio input, video input or the stronger all-round task scores.
Costs use current list prices per million tokens; page counts assume about 0.75 words per token and 500 words per page.
Who wins by task?
| Task | SpaceXAI: Grok Build 0.1 | Google: Gemini 3.1 Flash Lite Preview |
|---|---|---|
| SQL Generation | 130 | 133 |
| Code Review | 126 | 132 |
| Code Completion | 116 | 131 |
| Code Refactoring | 127 | 136 |
| Bug Fixing | 130 | 136 |
| Unit Test Generation | 121 | 124 |
| Code Documentation | 125 | 131 |
| Regex Writing | 119 | 119 |
| CI/CD Pipelines | 117 | 120 |
| CSV / Spreadsheet Cleanup | 127 | 133 |
| ETL Scripting | 122 | 128 |
| JSON Extraction | 123 | 131 |
| Bulk Data Labeling | 121 | 129 |
| OCR / Document Parsing | 128 | 131 |
| Table Extraction from PDFs | 128 | 131 |
| Long-Document Summarization | 129 | 137 |
| Short-Form Summarization | 115 | 123 |
| Blog Post Writing | 118 | 121 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →