Grok 4.20 0309 vs Inflection 3 Pi
xAI vs Inflection — benchmarks, pricing, and capabilities side by side.
- •Grok 4.20 0309 is cheaper ($2.00 vs $2.50 per 1M input)
| Grok 4.20 0309 | Inflection 3 Pi | |
|---|---|---|
| Intelligence index | 88.5 | — |
| Developer | xAI | Inflection |
| Type | LLM | LLM |
| Access | — | API only |
| Context window | — | 8,000 tokens |
| Input price | $2.00 / 1M | $2.50 / 1M |
| Output price | $6.00 / 1M | $10.00 / 1M |
| Speed | 97 tok/s | — |
| Released | March 10, 2026 | October 11, 2024 |
| Parameters | — | — |
| Input modalities | — | Text |
| Output modalities | — | Text |