Grok 4.3
xAI · Frontier
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
Where it sits
7th-cheapest frontier model
by blended $/Mtok among 24 listed frontier models
57% below the frontier median
blended $/Mtok across 24 frontier models
Output costs 2× input
$1.25 in / $2.50 out per 1M
Cached input saves 84%
$0.2 vs $1.25 per 1M fresh
Held flat since launch (Apr 2026)
no blended price change recorded
Computed live from current prices and this model's history — not hand-written, so it stays accurate as prices move.
Price history
Only one price on record so far — the history chart appears once a price changes.
Snapshots
| Effective | Input | Output | Cached in | Note | Source |
|---|---|---|---|---|---|
| 30 Apr 2026 | $1.25 | $2.50 | $0.2 | docs.x.ai |