Grok 4.3
xAI · Released Apr 2026
xAI's current flagship — aggressively priced for a frontier model, with a 1M token context window.
- Strengths
- Aggressively priced frontier flagship with a 1M-token context.
- Best for
- Cost-conscious frontier workloads and real-time, X-integrated use.
- Limitations
- Ecosystem and tooling less mature than the largest labs.
Input / 1M
$1.25
Output / 1M
$2.50
Cached input / 1M
$0.2
Context window
1M
Price history
Snapshots
| Effective | Input | Output | Cached in | Note | Source |
|---|---|---|---|---|---|
| 30 Apr 2026 | $1.25 | $2.50 | $0.2 | docs.x.ai |