Tier
Moderate
Headquarters
Palo Alto, CA
Founded
2023
Flagship
Grok
Models tracked
22
Artificial Analysis
Top intelligence
53.8
Artificial Analysis Index
Cheapest model
$0.00
blended /1M
Fastest output
141
tokens / sec
Flagship Model
xAI’s top-scoring model on the Artificial Analysis Intelligence Index.
Most intelligent model
Grok 4.5 (high)
Released 2026-07-08
Intelligence
53.8
Coding
72.4
Math
—
In $/1M
$2.00
Out $/1M
$6.00
Speed t/s
55
Benchmark breakdown
Models & benchmarks
Every xAI model on file — intelligence, coding, price, and speed.
| Model | Released | Intel | Coding | Math | In $/1M | Out $/1M | Speed t/s | Latency s |
|---|---|---|---|---|---|---|---|---|
| Grok 4.5 (high) | 2026-07-08 | 53.8 | 72.4 | — | $2.00 | $6.00 | 55 | 10.91 |
| Grok Build 0.1 0616 | 2026-06-16 | 39.8 | 51.5 | — | $1.00 | $2.00 | 0 | 0.00 |
| Grok 4.3 (high) | 2026-04-30 | 37.6 | 42.2 | — | $1.25 | $2.50 | 0 | 0.00 |
| Grok 4.20 0309 v2 (Reasoning) | 2026-04-07 | 37.0 | — | — | $2.00 | $6.00 | 0 | 0.00 |
| Grok 4.20 0309 (Reasoning) | 2026-03-10 | 36.5 | — | — | $2.00 | $6.00 | 0 | 0.00 |
| Grok 4.3 (medium) | 2026-04-30 | 36.0 | — | — | $1.25 | $2.50 | 141 | 15.74 |
| Grok 4.3 (low) | 2026-04-30 | 35.4 | — | — | $1.25 | $2.50 | 127 | 6.93 |
| Grok 4 | 2025-07-10 | 33.3 | — | 92.7 | $3.00 | $15.00 | 0 | 0.00 |
| Grok 4.1 Fast (Reasoning) | 2025-11-19 | 30.6 | — | 89.3 | $0.00 | $0.00 | 0 | 0.00 |
| Grok 4 Fast (Reasoning) | 2025-09-19 | 27.4 | — | 89.7 | $0.20 | $0.50 | 0 | 0.00 |
| Grok 4.3 (Non-reasoning) | 2026-04-30 | 24.8 | 35.2 | — | $1.25 | $2.50 | 120 | 0.88 |
| Grok 3 mini Reasoning (high) | 2025-02-19 | 22.5 | — | 84.7 | $0.30 | $0.50 | 0 | 0.00 |
| Grok 4.20 0309 (Non-reasoning) | 2026-03-10 | 22.5 | — | — | $2.00 | $6.00 | 0 | 0.00 |
| Grok 4.20 0309 v2 (Non-reasoning) | 2026-04-07 | 21.8 | — | — | $2.00 | $6.00 | 0 | 0.00 |
Trajectory
xAI’s model releases over time, by intelligence.
House strengths
Where xAI’s lineup over-indexes, averaged across its models.
Capability profile
Best value
Grok 4 Fast (Reasoning)
Most intelligence per dollar — 27.4 index at $0.28/1M blended.
100 index points per $1
Governance
xAI’s license posture and openness across its lineup.
Open weight
0
of 22 models
Proprietary
22
of 22 models
Commercial-OK
0
license permits
Modalities
Image · Text
Via LLM Stats
Publications
xAI’s own papers, frameworks, and cards in the 44B Library.