Grok 4.6
xAI's frontier model for long-running agents, coding, knowledge work, and visual projects
xAITextUncommon
Grok 4.6
xAI's frontier model for long-running agents, coding, knowledge work, and visual projects
grok-4.6- Type
- Text
- Quality
- 91 · Top 9% on the Epoch Capabilities Index
- Context window
- 500,000 tokens
- Max output
- 500,000 tokens
- Input price
- $2.00 / 1M tokens
- Output price
- $6.00 / 1M tokens
- Cache read
- $0.50 / 1M tokens
- Cache write
- —
- Released
- Aug 12, 2026
- Knowledge cutoff
- Feb 2026
- Takes in
- Text, Image, PDF
- Puts out
- Text
- Reasoning
- Yes
- Tool calling
- Yes
- Structured output
- Yes
- File attachments
- Yes
- Access
- Paid
- License
- Proprietary
- Rarity
- Uncommon
- Set number
- 978/1040
Weights aren’t public. Use is governed by xAI’s terms. Specs from models.dev, last changed Oct 18, 2026. Official source: docs.x.ai.