Context
2M
Max output
64K
Input / 1M
$0.20
Output / 1M
$0.50
Modality
Chat
Cutoff
Oct 2023
About this model
Grok Models
Best suited for
- Deep enterprise tasks, advanced coding, long-document summarization, complex queries, and high-capability reasoning leveraging a rich knowledge base.
Built-in tools
Hosted by the gateway — enable them per request without wiring your own endpoint.
Capabilities
Vision
Accepts images alongside text in the same message.
Tools
Native function calling, so agents can invoke your endpoints.
System prompt
Honours a dedicated system role, separate from the user turn.
Reasoning
Emits a separate thinking pass before the answer.
Supported parameters
creativity_levelControls the creativity of responses. Higher values (e.g., 0.7) increase creativity; lower values (e.g., 0.2) make responses more predictable.
max_tokensMax Tokens LimitSpecifies the maximum number of text units (tokens) allowed in a response, limiting its length.
toolsLists tool definitions or capabilities available to the model.
tool_choiceDecides whether to use tools or just the model for generating responses.
response_typeDefines the format or type of the generated response.
parallel_tool_callsEnables parallel execution of tools, allowing multiple tools to run simultaneously.
reasoningControls the level of reasoning used by the model.
streamSends the response in real-time as it's being generated.
Use this model
OpenAI-SDK compatible, with gateway fallback and routing across providers.
Other Grok models
| Model | Context | Max output | Input | Output | Capabilities |
|---|---|---|---|---|---|
| grok-4-fast Chat | 2M | 64K | $0.20 | $0.50 | Vision, Tools, System prompt, Reasoning |
| grok-4-fast-reasoning Chat | 2M | 64K | $0.25 | $0.60 | Tools, System prompt, Reasoning |
Pricing & provider details
Grok
grok/grok-4-0709
- Input · per 1M
- $0.20
- Output · per 1M
- $0.50
- Cached input · per 1M
- —
- Context window
- 2,000,000 tokens
- Max output
- 64,000 tokens
- Knowledge cutoff
- Oct 2023
- Auto-router
- Not supported
Start building today
Route grok-4-0709 — and every other model in the catalogue — through one endpoint, with failover built in.