GPT-3 vs Grok 4.20 0309
OpenAI vs xAI — benchmarks, pricing, and capabilities side by side.
| GPT-3 | Grok 4.20 0309 | |
|---|---|---|
| Intelligence index | — | 88.5 |
| Developer | OpenAI | xAI |
| Type | LLM | LLM |
| Access | API only | — |
| Context window | 2,048 tokens | — |
| Input price | — | $2.00 / 1M |
| Output price | — | $6.00 / 1M |
| Speed | — | 97 tok/s |
| Released | June 11, 2020 | March 10, 2026 |
| Parameters | 175B | — |
| Input modalities | Text | — |
| Output modalities | Text | — |