# Grok 4.6

> Source: <https://tokenstead.ai/models/grok-4-6>
> Published: 2026-08-24 21:54:59+00:00

# Grok 4.6

premier**Proprietary frontier model from xAI (SpaceXAI), built with Cursor.** ~1.5T-scale family, an extension of Grok 4.5 focused on long-running agents and ambitious interactive/visual work. 500K context, knowledge cutoff Feb 2026, text + image in, text out, reasoning effort low/medium/high/xhigh.

**Pricing:** $2/1M input, $6/1M output (cached input $0.50/1M) below 200k prompt tokens; double above. Available in Grok Build, Cursor, the API, and partner gateways.

**Agents on Rails benchmark (Aug 2026, Le Mans round).** 82.5% accuracy on 63 runs - tied with ox-alpha, behind only the Opus 5 / Kimi K3 / Fable 5 top cluster. API recall 33.3%, the best of any model that also kept a middling time (10m 50s median). At $0.778 mean cost it is strong accuracy-per-dollar.

- 500k
- proprietary
- 🇺🇸 USA
- Aug 2026

## Scores

## Score per dollar

46 pts per $/M input

general_score (92) divided by cheapest input price
($2.00/M).
Higher is better value. [See live pricing](/models/grok-4-6/pricing).

## Or run it in the cloud

Live per-provider pricing, throughput and uptime - refreshed about 1 hour ago via OpenRouter. Click a column to sort.

| Provider | Type | Input $/M | Output $/M | Cache $/M | Tok/s | Latency | Uptime | Value |
|---|---|---|---|---|---|---|---|---|
| API | 2.00 | 6.00 | - | - | - | - | cheapest |

Default order: throughput among 95%+ uptime providers, then latency; subscriptions last. Sort by any column. Subscription rows show $/mo in the Value column - per-token columns are "-". Affiliate links are marked sponsored / nofollow. Confirm current pricing on the provider's site before committing.

[Detailed API pricing page + JSON endpoint →](/models/grok-4-6/pricing)

## Inference cost over time

Data accumulates from the first daily sync - longer ranges populate over time. Prices come from OpenRouter snapshots, not a historical API.