Grok 4.5
by Opper · family grok · listed Jul 2026RTV
xAI's Grok model for chat, coding, agentic tools, and lower hallucination risk
Current rates USD per 1M tokens
Input$2.00
Output$6.00
Cache read$0.30
Cache write—
Against the market
On the record
- Model id
xai/grok-4.5- Context window
- 500K tokens
- Max output
- 500K tokens
- Input modalities
- text, image
- Output modalities
- text
- Reasoning
- yes
- Tool calls
- yes
- Open weights
- no
- Knowledge cutoff
- —
- Released
- 2026-07-08
- Last updated
- 2026-07-08
- Provider docs
- opper.ai/models
Back of the envelope
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