xAI · released 2025-11
Grok 4
Real-time-aware, unfiltered, strong reasoner.
context
256K
output max
64K
input /M
$5.00
output /M
$15.00
modalities
T·I
Verdict
What it's actually good at
Strengths
- +Real-time data integration
- +Competitive on STEM
Weaknesses
- −Smaller ecosystem of tools
Our scores
reasoning
9.0
coding
8.0
writing
8.0
speed
7.0
value
7.0
xAI's flagship with tight X/Twitter integration and strong STEM reasoning. Less-filtered outputs for research contexts.
Pricing
Cost at common volumes
| Monthly volume | Input | Output | Est. monthly |
|---|---|---|---|
| Side project | 1M tok | 0.3M tok | $9.50 |
| Growing app | 50M tok | 15M tok | $475.00 |
| Production | 500M tok | 150M tok | $4750.00 |
| Scale | 5000M tok | 1500M tok | $47500.00 |
Estimates assume uncached input. Prompt caching and batch APIs can cut this by 50–90% for many workloads. Use the calculator →
Head-to-head