Grok 4 Fast
xAI
Grok 4 Fast is xAI's latest multimodal model with SOTA cost-efficiency and a 2M token context window. It comes in two flavors: non-reasoning and reasoning. Read more about the model...
What is Grok 4 Fast?
Grok 4 Fast is xAI's latest multimodal model with SOTA cost-efficiency and a 2M token context window. It comes in two flavors: non-reasoning and reasoning. Read more about the model...
Specifications
- Developer: xAI
- Context window: 2M tokens
- Max output: 30K tokens
- Input modalities: text, image, file
- Output modalities: text
- Input price: $0.2000 per 1M tokens
- Output price: $0.5000 per 1M tokens
- Knowledge cutoff: 2025-09-30
- Supported parameters: include_reasoning, logprobs, max_tokens, reasoning, response_format, seed, structured_outputs, temperature, tool_choice, tools, top_logprobs, top_p
Use Grok 4 Fast with PromptLayer
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