GPT-3.5 Turbo 16k vs Grok 4.3
OpenAI vs xAI — benchmarks, pricing, and capabilities side by side.
- •Grok 4.3 is cheaper ($1.25 vs $3.00 per 1M input)
- •Grok 4.3 has a larger context window (1M)
| GPT-3.5 Turbo 16k | Grok 4.3 | |
|---|---|---|
| Intelligence index | — | 90.1 |
| Developer | OpenAI | xAI |
| Type | LLM | LLM |
| Access | API only | API only |
| Context window | 16,385 tokens | 1,000,000 tokens |
| Input price | $3.00 / 1M | $1.25 / 1M |
| Output price | $4.00 / 1M | $2.50 / 1M |
| Speed | — | 88 tok/s |
| Released | August 28, 2023 | May 6, 2026 |
| Parameters | — | — |
| Input modalities | Text | Text, Image |
| Output modalities | Text | Text |