Google: Gemini 3.7 Flash (batch) vs SpaceXAI: Grok 4.5
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-28.
| Google: Gemini 3.7 Flash (batch) | SpaceXAI: Grok 4.5 | |
|---|---|---|
| Vendor | x-ai | |
| Quality Score | 100 | 100 |
| Benchmark Score | 65.5 | 65.0 |
| Input Price | $0.38/M | $2.00/M |
| Output Price | $1.88/M | $6.00/M |
| Context Window | 1,048,576 | 500,000 |
| Max Output | 65,536 | 450,000 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | ✓ | - |
| Benchmark Scores | ||
| ai_index | 64.4 | 64.0 |
The verdict
For a sample job of 1 million input tokens and 250,000 output tokens, Gemini 3.7 Flash (batch) costs $0.84 and Grok 4.5 costs $3.50, so Gemini 3.7 Flash (batch) is about 4.1 times cheaper for the same work.
Gemini 3.7 Flash (batch) reads up to 1,048,576 tokens at once, roughly 1,573 pages of text, against about 750 pages for Grok 4.5.
Only Gemini 3.7 Flash (batch) offers audio input and video input.
Across the 12 tasks where they differ, Gemini 3.7 Flash (batch) scores higher on 12 (SQL Generation, Code Completion, Code Refactoring and others).
Gemini 3.7 Flash (batch) was released in August 2026 and Grok 4.5 in July 2026.
Pick Gemini 3.7 Flash (batch) 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 | Google: Gemini 3.7 Flash (batch) | SpaceXAI: Grok 4.5 |
|---|---|---|
| SQL Generation | 141 | 140 |
| Code Completion | 132 | 119 |
| Code Refactoring | 146 | 146 |
| Code Documentation | 137 | 136 |
| Regex Writing | 126 | 124 |
| Data Analysis | 133 | 133 |
| CSV / Spreadsheet Cleanup | 136 | 135 |
| JSON Extraction | 131 | 122 |
| Bulk Data Labeling | 129 | 119 |
| Long-Document Summarization | 148 | 147 |
| Short-Form Summarization | 126 | 117 |
| Blog Post Writing | 129 | 128 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →