AI Observatory / Model Radar
xAI / x-ai/grok-4
xAI: Grok 4
Grok 4 is xAI's latest reasoning model with a 256k context window. It supports parallel tool calling, structured outputs, and both image and text inputs. Note that reasoning is not...
256,000
Context
N/A
Max output
$3.00 / 1M
Prompt price
2025-07-09
Created
01 / Snapshot
Pricing, context, modalities, and parameters.
Model Radar detail pages stay neutral and operator-readable: core metadata first, then workflow fit.
| Provider | xAI | Input modalities | image, text, file |
|---|---|---|---|
| Output modalities | text | Prompt price | $3.00 / 1M |
| Completion price | $15.00 / 1M | Request price | N/A |
| Context length | 256,000 | Max completion tokens | N/A |
| Supported parameters | include_reasoning, logprobs, max_tokens, reasoning, response_format, seed, structured_outputs, temperature, tool_choice, tools, top_logprobs, top_p | ||
Best for
x-ai/grok-4
xAI: Grok 4
Grok 4 is xAI's latest reasoning model with a 256k context window. It supports parallel tool calling, structured outputs, and both image and text inputs. Note that reasoning is not...
Deep analysis
Cross-modal work
Long context
Coding workflows
vision
tool-capable
long-context
03 / Colophon
Routes and exits.
Each model page stays simple: overview, compare, related models, then back to the public hub.