x-aimodel

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...

text vision multimodal reasoning long-context

Best for

Image UnderstandingVisual Q&AOCRMultimodal Tasks

Try in Playground Compare →Alternatives →

Context Window

256K tokens ≈ 569 pages of text

Input Cost

$3.00/1M

Output Cost

$15.00/1M

Latency p50

—

Pricing Details

Standard Pricing

Input (per 1M tokens)

$3.00

Output (per 1M tokens)

$15.00

Hallucination Score™ (est.)

Community reliability estimate · not official

—

Not yet rated

About this score: Community-estimated based on user reports and publicly available benchmark data (e.g. TruthfulQA). This is not an official score from the model provider. Scores may be inaccurate — always verify with the official leaderboard before making production decisions.

Price History

Not enough historical data yet. Check back after the next pricing sync.

Provider

x-ai

Usage & Examples

Learn how to use xAI: Grok 4

✓Complex reasoning and analysis

✓Customer support automation

✓Content generation and editing

✓Code review and debugging

✓Research summarization

💡 Tip: Start with the sample prompts above to see how xAI: Grok 4 works best.

Community Prompts

Proven prompts shared by the community for this model

Loading prompts…