Gemini 3.5 Flash vs Grok 4.7
Gemini 3.5 Flash vs Grok 4.7: which AI model is cheaper, has the larger context window and more capabilities? Side-by-side comparison updated daily.
Quick verdict
- Grok 4.7 is 1.1× cheaper than Gemini 3.5 Flash for the same mix of input and output tokens.
- Gemini 3.5 Flash has the larger context window (1M), useful for long documents and big codebases.
- Grok 4.7 is the more recent release (Sep 21, 2026).
- Choose Grok 4.7 if cost matters most; choose Gemini 3.5 Flash if you need its specific strengths above. For the best results, test both on your own prompts.
| Gemini 3.5 Flash | Grok 4.7 | |
|---|---|---|
| Company | Google DeepMind | xAI |
| Released | May 19, 2026 | Sep 21, 2026 ● |
| Overall index | 154.6 | — |
| SWE-bench Verified | 79.3% | — |
| GPQA Diamond | 92.8% | — |
| AIME math | 95.6% | — |
| FrontierMath | 62.8% | — |
| SimpleQA Verified | 66.2% | — |
| Input (per 1M tokens) | $1.50 ● | $2 |
| Output (per 1M tokens) | $9 | $6 ● |
| Cost for 1M input + 1M output tokens | $10.50 | $8.00 ● |
| Providers | 7 ● | 5 |
| Context | 1M ● | 500K |
| Max output | 64K | 450K ● |
| Inputs | Text, Image, Video, Files, Audio ● | Text, Image, Files |
| Outputs | Text | Text |
| Reasoning | ✓ | ✓ |
| Tool use | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Open weights | — | — |