xAI · API model
Grok 4.6
Generally availableReleased Aug 12, 2026Proprietary
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 |
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 |