# Grok 4.5

Grok 4.5 is a xAI language model released Jul 8, 2026; xAI's newest language model in our dataset is Grok 4.7. Proprietary, API access only. xAI's Grok 4.5 model for coding, agentic tasks and knowledge work, available on the API since Jul 8, 2026 with configurable reasoning effort. Verified against vendor sources on Oct 26, 2026.

Last verified: 2026-10-26 · Evidence: Reported · Canonical: https://theagenticweekly.com/models/grok-4-5 · JSON: https://theagenticweekly.com/api/models/grok-4-5

## Key facts

| Fact | Value | Source |
|---|---|---|
| Vendor | xAI |  |
| Released | Jul 8, 2026 | https://docs.x.ai/docs/release-notes |
| API id | `grok-4.5` | https://docs.x.ai/docs/release-notes |
| Context window | 500,000 tokens (500K) | https://docs.x.ai/docs/models |
| Input | text, image | https://docs.x.ai/docs/models |
| Output | text | https://docs.x.ai/docs/models |
| Licence | Proprietary (API) | https://docs.x.ai/docs/models |
| Pricing | $2 in / $6 out per 1M tokens | https://docs.x.ai/docs/models |

## What we tested

Nothing yet. We have not run Grok 4.5 ourselves, so every fact here is Reported from the sources below.

## Sources

- [xAI release notes](https://docs.x.ai/docs/release-notes)
- [xAI models and pricing](https://docs.x.ai/docs/models)

Data licence: CC BY 4.0. Data: Agentic Weekly (https://theagenticweekly.com), CC BY 4.0.