xAI · API model
Grok 4.6
API id grok-4.6 prices checked
- Input
- $2.00/1M
- Output
- $6.00/1M
- Context
- 500Ktokens
- Max output
- 450Ktokens
- Knowledge cutoff
- Not disclosed
- Typical request
- $0.005
Pricing
US dollars per 1 million tokens. A typical request (1,000 input + 500 output tokens) costs $0.005 at standard rates.
| Rate | Input | Cached input | Output |
|---|---|---|---|
| Standard | $2.00 | $0.50 | $6.00 |
| Long promptsPrompts over 200K tokens | $4.00 | $1.00 | $12.00 |
| PriorityFast mode, 2x standard price | $4.00 | — | $12.00 |
Capabilities and limits
| Context window | 500K tokens |
|---|---|
| Max output | 450K tokens |
| Input | TextImagesFiles (PDF) |
| Output | Text |
| Reasoning | Always on |
| Tool use | Yes |
| Structured output (JSON) | Yes |
| Knowledge cutoff | Not disclosed by the vendor |
Lifecycle status
No deprecation or shutdown date announced on xAI's official deprecations page as of Oct 23, 2026.
Change history
Launches, price changes and retirements for Grok 4.6, newest first, each linked to the vendor's notice.
Grok 4.6 released at $2 / $6 per 1M tokens
Cached input $0.50. Above 200K prompt tokens: $4 / $1 / $12. 500K context window.
vendorxAI release notes
Benchmarks and speed
Not collected yet. Scores will come only from independent leaderboards, each shown with its source and test date.
Planned: GPQA Diamond, SWE-bench Verified, AIME 2025, LMArena Elo, output speed and time to first token.
Where these numbers come from
Every value is an observation with a source and a date. independent is a third-party catalog, vendor is the model maker's own page, derived is our calculation.
| Field | Value | Source | Observed |
|---|---|---|---|
| Standard price, input / output | $2.00 / $6.00 | independentOpenRouter | Sep 15, 2026 |
| Standard price, input / output | $2.00 / $6.00 | vendorxAI docs | Sep 15, 2026 |
| Long-context price (>200K), input / output | $4.00 / $12.00 | vendorxAI docs | Sep 15, 2026 |
| Context window | 500,000 | independentOpenRouter | Sep 15, 2026 |
| Reasoning | Always on, effort adjustable (default high) | vendorxAI docs | Sep 15, 2026 |
| Release date | 2026-08-12 | vendorxAI | Sep 15, 2026 |
| Typical request | $0.005 | derivedCalculated: 1,000 in + 500 out | Sep 15, 2026 |