xAI Announced Aug 12, 2026
Grok 4.6
xAI's frontier model for coding, agentic tasks, and knowledge work, positioned around long-running agents with enhanced self-testing, launched in Cursor, Grok Build, and the xAI API.
Routable on MiniRouter
Use xai/grok-4.6 via the API →- Context
- 500K
- Per xAI's docs; prompts above 200K tokens bill at a higher rate
- Long-prompt price
- $4 / $12
- Per 1M input / output tokens above 200K prompt tokens
- Reasoning effort
- low – xhigh
- Four publisher-described effort levels; high is the default
- Weights
- Not mentioned
- The announcement does not include a weights release
Publisher pricing
Pricing below comes from the release announcement and does not represent a MiniRouter route or price.
| Phase | Input / 1M | Output / 1M | Blended / 1M | Effective | Source |
|---|---|---|---|---|---|
| Standard | $2.00 | $6.00 | $3.00 | Aug 12, 2026 – open-ended | xAI ↗ |
Publisher-reported benchmarks
Results are grouped by unit. Percentage, Elo, and task-count results never share a scale.
| Benchmark | Reported result | Reported by | As of | Source |
|---|---|---|---|---|
| DeepSWE v1.1 | 65.9% | xAI | Aug 12, 2026 | Announcement ↗ |
| FrontierCode v1.1 (Extended) | 61.3% | xAI | Aug 12, 2026 | Announcement ↗ |
| CursorBench v3.2 | 69.9% | xAI | Aug 12, 2026 | Announcement ↗ |
| APEX-SWE | 56.4% | xAI | Aug 12, 2026 | Announcement ↗ |
| Terminal-Bench v3.0 | 26% | xAI | Aug 12, 2026 | Announcement ↗ |
| Benchmark | Reported result | Reported by | As of | Source |
|---|---|---|---|---|
| GDPVal-AA v2 | 1753 | xAI | Aug 12, 2026 | Announcement ↗ |
- — xAI sources competitor benchmark figures from those vendors' published system cards and leaderboards.
- — xAI's docs list cached input at $0.50 per 1M tokens and a fast variant at twice the base price.
- — xAI reports the benchmark figures; MiniRouter has not reproduced them.
- — Now routable through MiniRouter as xai/grok-4.6; the model page's live price is authoritative.
What is not independently confirmed
- Every figure on this page is self-reported by the cited publisher. MiniRouter did not run these benchmarks.
- Benchmark harnesses are not standardised. Results sharing a name across vendors have not been confirmed to use identical runs.
- Publisher pricing can change, and introductory phases have stated end dates.
- Grok 4.6 is routable through MiniRouter today; live pricing on its model page is authoritative over the publisher figures here.
Related coverage
Other release dossiers and the current MiniRouter catalog.
Sources
- Read at xAI ↗
xAI announcement
Published Aug 12, 2026
Page revised 2026-08-14. Dates change only when the content changes.