Grok wins on more metrics (4 of 7), but the right pick depends on what you optimize for — see the breakdown below.
Products are compared through their current flagship models — Gemini runs on Google: Gemini 3.5 Flash; Grok runs on xAI: Grok 4.5. The comparison refreshes automatically as new flagships ship.
| Metric | Google: Gemini 3.5 Flash | xAI: Grok 4.5 |
|---|---|---|
| Intelligence Index | 50.2 | 53.8✓ |
| Coding Index | 70.1 | 72.4✓ |
| GPQA Diamond | 92% | 93%✓ |
| Design Arena Elo | 1296✓ | — |
| Speed (tokens/sec) | — | — |
| Latency | — | — |
| Input price /M | $1.50✓ | $2.00 |
| Output price /M | $9.00 | $6.00✓ |
| Context window | 1.0M✓ | 500K |
| Capabilities | ReasoningToolsJSONVisionAudio | ReasoningToolsJSONVision |
Grok wins on more metrics (4 of 7), but the right pick depends on what you optimize for — see the breakdown below. Products are compared through their current flagship models — Gemini runs on Google: Gemini 3.5 Flash; Grok runs on xAI: Grok 4.5. The comparison refreshes automatically as new flagships ship.
The table on this page compares Google: Gemini 3.5 Flash and xAI: Grok 4.5 metric by metric — intelligence benchmarks, coding score, speed, latency, context window and per-token price — with the winner marked on each row. Data refreshes hourly.