grok-4-fast-reasoning
azure_ai · chat model
Input
$0.2000 / 1M tokens
Output
$0.5000 / 1M tokens
Cached input
N/A
Context
131.1K
Pricing
| Item | Raw value (per token) | Normalized |
|---|---|---|
| Input | 2e-7 | $0.2000 / 1M tokens |
| Output | 5e-7 | $0.5000 / 1M tokens |
| Embedding | 2e-7 | $0.2000 / 1M tokens |
Token limits
Context window
131.1K
Max input tokens
131.1K
Max output tokens
131.1K
Max tokens
131.1K
Capabilities
| Capability | Supported |
|---|---|
| Vision | No |
| Function calling | Yes |
| Parallel function calling | No |
| Tool choice | Yes |
| Prompt caching | No |
| Reasoning | No |
| Response schema | Yes |
| System messages | No |
| Audio input | No |
| Audio output | No |
| Web search | Yes |
| PDF input | No |
| Video input | No |
Similar models
Models with comparable pricing in the same mode (chat).
| Model | Provider | Input | Output | Context | Coding | Features |
|---|---|---|---|---|---|---|
| grok-4-fast-non-reasoning | azure_ai | $0.2000 / 1M tokens | $0.5000 / 1M tokens | 131.1K | N/A | Tools |
| grok-4-1-fast-non-reasoning | azure_ai | $0.2000 / 1M tokens | $0.5000 / 1M tokens | 131.1K | N/A | Tools |
| grok-4-1-fast-reasoning | azure_ai | $0.2000 / 1M tokens | $0.5000 / 1M tokens | 131.1K | N/A | Tools Reasoning |
| grok-4.1-fast-non-reasoning | Vertex AI | $0.2000 / 1M tokens | $0.5000 / 1M tokens | 2.0M | N/A | Vision Tools |
| grok-4.1-fast-reasoning | Vertex AI | $0.2000 / 1M tokens | $0.5000 / 1M tokens | 2.0M | N/A | Vision Tools Reasoning |
| grok-4-fast-reasoning | xai | $0.2000 / 1M tokens | $0.5000 / 1M tokens | 2.0M | N/A | Tools Cache |
Sources
| Pricing source | LiteLLM model cost map |
| Synced at | 2026-05-27 |
| Manual review | Not reviewed |
Raw LiteLLM fields
{
"input_cost_per_token": 2e-7,
"output_cost_per_token": 5e-7,
"litellm_provider": "azure_ai",
"max_input_tokens": 131072,
"max_output_tokens": 131072,
"max_tokens": 131072,
"mode": "chat",
"source": "https://azure.microsoft.com/en-us/pricing/details/ai-foundry-models/grok/",
"supports_function_calling": true,
"supports_response_schema": true,
"supports_tool_choice": true,
"supports_web_search": true
}