Side-by-side comparison
GPT-4 Turbo Preview vs Grok 3 Beta
OpenAI
GPT-4 Turbo Preview
🔧 Tools
{} JSON
Input / 1M
$10.0000
Output / 1M
$30.0000
| GPT-4 Turbo Preview | Grok 3 Beta | |
|---|---|---|
| Provider | OpenAI | xAI |
| Context window Maximum tokens (input + output) the model can process in a single request. Glossary → | 128,000 | 131,072 |
| Capabilities Optional capabilities the model advertises: vision (images), tools (function calling), json_mode (structured output). | tools, json_mode | tools, json_mode |
| Input $ / 1M tokens Cost for tokens you send (prompt + context). Cheaper side highlighted. Glossary → | 10.0000 | 3.0000 |
| Output $ / 1M tokens Cost for tokens the model generates. Output is normally 3–5× pricier than input. Glossary → | 30.0000 | 15.0000 |
Frequently asked questions
Which is cheaper, GPT-4 Turbo Preview or Grok 3 Beta?
Grok 3 Beta is cheaper than GPT-4 Turbo Preview on a 50/50 input/output blend by about $11 per 1M tokens. Exact savings depend on your input-vs-output ratio — use the cost calculator on this page for a workload-specific estimate.
Which has a larger context window, GPT-4 Turbo Preview or Grok 3 Beta?
Grok 3 Beta has the larger context window at 131k tokens versus 128k tokens for GPT-4 Turbo Preview. That means Grok 3 Beta can ingest about 1.0x as much text per request.
What is the difference between GPT-4 Turbo Preview and Grok 3 Beta?
GPT-4 Turbo Preview comes from OpenAI; Grok 3 Beta comes from xAI. They differ in pricing, context window, and supported capabilities — see the side-by-side table on this page for the exact figures, refreshed nightly.