GPT-4o mini Realtime vs Grok 4.20 0309
OpenAI vs xAI — benchmarks, pricing, and capabilities side by side.
- •GPT-4o mini Realtime is cheaper ($0.00 vs $2.00 per 1M input)
| GPT-4o mini Realtime | Grok 4.20 0309 | |
|---|---|---|
| Intelligence index | — | 88.5 |
| Developer | OpenAI | xAI |
| Type | LLM | LLM |
| Access | — | — |
| Context window | — | — |
| Input price | $0.00 / 1M | $2.00 / 1M |
| Output price | $0.00 / 1M | $6.00 / 1M |
| Speed | — | 97 tok/s |
| Released | December 17, 2024 | March 10, 2026 |
| Parameters | — | — |
| Input modalities | — | — |
| Output modalities | — | — |