ChatGPT vs Grok
ChatGPT wins on more metrics (5 of 7), but the right pick depends on what you optimize for — see the breakdown below.
Products are compared through their current flagship models — ChatGPT runs on OpenAI: GPT-5.6 Sol; Grok runs on xAI: Grok 4.5. The comparison refreshes automatically as new flagships ship.
| Metric | OpenAI: GPT-5.6 Sol | xAI: Grok 4.5 |
|---|---|---|
| Intelligence Index | 58.9✓ | 53.8 |
| Coding Index | 77.4✓ | 72.4 |
| GPQA Diamond | 94%✓ | 93% |
| Design Arena Elo | 1355✓ | — |
| Speed (tokens/sec) | — | — |
| Latency | — | — |
| Input price /M | $5.00 | $2.00✓ |
| Output price /M | $30.00 | $6.00✓ |
| Context window | 1.1M✓ | 500K |
| Capabilities | ReasoningToolsJSONVision | ReasoningToolsJSONVision |
Frequently asked
Is ChatGPT better than Grok?
ChatGPT wins on more metrics (5 of 7), but the right pick depends on what you optimize for — see the breakdown below. Products are compared through their current flagship models — ChatGPT runs on OpenAI: GPT-5.6 Sol; Grok runs on xAI: Grok 4.5. The comparison refreshes automatically as new flagships ship.
What are the biggest differences between ChatGPT and Grok?
The table on this page compares OpenAI: GPT-5.6 Sol 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.