Side-by-side comparison
GPT Chat Latest vs Grok 4
OpenAI
GPT Chat Latest
👁 Vision
🔧 Tools
{} JSON
Input / 1M
$5.0000
Output / 1M
$30.0000
| GPT Chat Latest | Grok 4 | |
|---|---|---|
| Provider | OpenAI | xAI |
| Context window Maximum tokens (input + output) the model can process in a single request. Glossary → | 400,000 | 256,000 |
| Capabilities Optional capabilities the model advertises: vision (images), tools (function calling), json_mode (structured output). | vision, tools, json_mode | vision, tools, json_mode |
| Input $ / 1M tokens Cost for tokens you send (prompt + context). Cheaper side highlighted. Glossary → | 5.0000 | 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 Chat Latest or Grok 4?
Grok 4 is cheaper than GPT Chat Latest on a 50/50 input/output blend by about $8.5 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 Chat Latest or Grok 4?
GPT Chat Latest has the larger context window at 400k tokens versus 256k tokens for Grok 4. That means GPT Chat Latest can ingest about 1.6x as much text per request.
What is the difference between GPT Chat Latest and Grok 4?
GPT Chat Latest comes from OpenAI; Grok 4 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.