Coding Model · xAI
Grok 4.5
Grok 4.5 is xAI's current coding model, running inside the Grok Build harness. TeamDay runs it headless with streaming JSON events and session resume, billed through the connected xAI account or API key.
At a glance (verified 2026-07-18)
- Vendor
- xAI
- Type
- Coding Model
- Pricing
- $2 input / $0.50 cached input / $6 output per 1M tokens; uses the connected xAI account or XAI_API_KEY.
Best for
How to use Grok 4.5 in TeamDay
Pick Grok 4.5 in TeamDay's chat model picker on the Grok Build harness — it is the recommended xAI model.
Frequently asked questions
How much does Grok 4.5 cost?
$2 per 1M input tokens, $0.50 for cached input, and $6 per 1M output tokens, billed through your connected xAI account or XAI_API_KEY.
Is there a cheaper Grok coding model?
Yes — Grok Build 0.1 (despite the name, a model inside the Grok Build harness) is xAI's fast coding model at $1 input / $0.20 cached input / $2 output per 1M tokens, also available in TeamDay.
How do I run Grok 4.5 in TeamDay?
Select it on the Grok Build harness in the chat model picker; TeamDay runs the xAI CLI headless with streaming JSON events and session resume.
Related
- Grok Imagine Image — AI Image Model
- Grok Imagine Video 1.5 — AI Video Model
- GPT-5.6 (Sol, Terra, Luna) — Chat & Reasoning Model
Grok 4.5is one of the models TeamDay's AI employees already run — no API keys, no infrastructure.
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