xAI's frontier model for long-running agents, coding, knowledge work, and visual projects
Specification
most-agreed values
Context
500K
Max output
500K
Released
2026-09-21
Knowledge cutoff
2026-05
Retires
—
Open weights
no
Input
text, image, pdf
Output
text
Price
US dollars per million tokens · most-agreed
Input
$2.00
Output
$6.00
Cache read
$0.50
Available from 4 hosts
| Host | In $/M | Out $/M | Cache rd | Cache wr | Context | Output | Retires |
|---|---|---|---|---|---|---|---|
| edenai | $2.00 | $6.00 | $0.50 | — | 500K | 500K | — |
| kilo · x-ai | $2.00 | $6.00 | $0.50 | — | 500K | 450K | — |
| nano-gpt · x-ai | $2.00 | $6.00 | $0.50 | — | 500K | 450K | — |
| openrouter · x-ai | $2.00 | $6.00 | $0.50 | — | 500K | 450K | — |
Price history
append-only observations · a listing writes a row only when its price moves
| Date | Host | Field | $/M |
|---|---|---|---|
| 2026-09-02 | kilo · x-ai | Cache read | $0.50 |
| 2026-09-22 | kilo · x-ai | Cache read | $0.40 |
| 2026-09-29 | kilo · x-ai | Cache read | $0.50 |
| 2026-09-02 | nano-gpt · x-ai | Cache read | $0.50 |
| 2026-09-25 | nano-gpt · x-ai | Cache read | $0.40 |
| 2026-10-13 | nano-gpt · x-ai | Cache read | $0.50 |
| 2026-09-02 | openrouter · x-ai | Cache read | $0.50 |
| 2026-09-22 | openrouter · x-ai | Cache read | $0.40 |
| 2026-09-29 | openrouter · x-ai | Cache read | $0.50 |
| 2026-09-02 | kilo · x-ai | Input | $2.00 |
| 2026-09-22 | kilo · x-ai | Input | $1.60 |
| 2026-09-29 | kilo · x-ai | Input | $2.00 |
| 2026-09-02 | nano-gpt · x-ai | Input | $2.00 |
| 2026-09-25 | nano-gpt · x-ai | Input | $1.60 |
| 2026-10-13 | nano-gpt · x-ai | Input | $2.00 |
| 2026-09-02 | openrouter · x-ai | Input | $2.00 |
| 2026-09-22 | openrouter · x-ai | Input | $1.60 |
| 2026-09-29 | openrouter · x-ai | Input | $2.00 |
| 2026-09-02 | kilo · x-ai | Output | $6.00 |
| 2026-09-22 | kilo · x-ai | Output | $4.80 |
| 2026-09-29 | kilo · x-ai | Output | $6.00 |
| 2026-09-02 | nano-gpt · x-ai | Output | $6.00 |
| 2026-09-25 | nano-gpt · x-ai | Output | $4.80 |
| 2026-10-13 | nano-gpt · x-ai | Output | $6.00 |
| 2026-09-02 | openrouter · x-ai | Output | $6.00 |
| 2026-09-22 | openrouter · x-ai | Output | $4.80 |
| 2026-09-29 | openrouter · x-ai | Output | $6.00 |
| 2026-09-19 | openrouter | Cache read | $0.50 |
| 2026-09-22 | openrouter | Cache read | $0.40 |
| 2026-09-30 | openrouter | Cache read | $0.50 |
| 2026-09-19 | openrouter | Input | $2.00 |
| 2026-09-22 | openrouter | Input | $1.60 |
| 2026-09-30 | openrouter | Input | $2.00 |
| 2026-09-19 | openrouter | Output | $6.00 |
| 2026-09-22 | openrouter | Output | $4.80 |
| 2026-09-30 | openrouter | Output | $6.00 |
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