Grok 4.6 vs Grok 4.3: Release Comparison
Comparison of the Grok 4.6 and Grok 4.3 releases: 4 and 4 models respectively, each with different intelligence, performance, and pricing characteristics. Below is a comparison of the key metrics across all 8 models.
- For intelligence, Grok 4.6 scores highest: Grok 4.6 (high) at 44, against Grok 4.3 (high) at 25 for Grok 4.3.
- For output speed, Grok 4.3 is fastest: Grok 4.3 (high) at 111 t/s, against Grok 4.6 (high) at 59 t/s for Grok 4.6.
- For cost per task, Grok 4.3 is cheapest: Grok 4.3 (Non-reasoning) at $0.14, against Grok 4.6 (low) at $0.48 for Grok 4.6.
Releases compared
Intelligence
Artificial Analysis Intelligence Index
Intelligence Index vs. Cost per Intelligence Index Task
Cost
Cost per Intelligence Index Task
Speed & Latency
Output Speed
Capability Scores
Capability Indices
Incorporates 7 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, Humanity's Last Exam, AutomationBench-AA, AA-LCR v1.1, GDP.pdf · Higher is better
Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, AutomationBench-AA, AA-LCR v1.1, GDP.pdf · Higher is better
Incorporates 7 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, Humanity's Last Exam, AA-LCR v1.1, GDP.pdf, AutomationBench-AA · Higher is better
Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, MLCR-AA, Humanity's Last Exam, AutomationBench-AA · Higher is better
Incorporates 6 evaluations: AA-Omniscience, Humanity's Last Exam, CritPt, GDPval-AA v2, AA-Briefcase, Terminal-Bench 4.0 · Higher is better
Incorporates 5 evaluations: AA-Omniscience, Humanity's Last Exam, GDPval-AA v2, AA-Briefcase, AA-LCR v1.1 · Higher is better
Further details
Input modality | Output modality | Weights | Provider Benchmarks | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Grok 4.6 (high) |  SpaceXAI | 44 | 49 | 53 | 52 | 45 | 45 | 54 | $1.86 | $1.4 | $2.00 | $6.00 | $0.50 | $2,352 | 36k | 19k | 94M | 59 | 36.19s | 36.19s | 44.65s | 607.36s | - | 500k | Aug 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| Grok 4.6 (xhigh) | SpaceXAI | 44 | 49 | 51 | 52 | - | 45 | 55 | $2.32 | $1.4 | $2.00 | $6.00 | $0.50 | $2,830 | 38k | 20k | 97M | 55 | 33.14s | 33.14s | 42.30s | 677.63s | - | 500k | Aug 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| Grok 4.6 (medium) | SpaceXAI | 43 | 47 | 49 | 50 | - | 44 | 53 | $1.50 | $1.4 | $2.00 | $6.00 | $0.50 | $1,937 | 28k | 14k | 73M | 54 | 32.75s | 32.75s | 41.96s | 520.58s | - | 500k | Aug 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| Grok 4.6 (low) | SpaceXAI | 35 | 39 | 44 | 44 | - | 35 | 46 | $0.48 | $1.4 | $2.00 | $6.00 | $0.50 | $761 | 10k | 2k | 21M | 52 | 5.63s | 5.63s | 15.22s | 199.23s | - | 500k | Aug 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| Grok 4.3 (high) | SpaceXAI | 25 | 28 | 18 | 33 | 27 | 31 | 41 | $0.17 | $0.6 | $1.25 | $2.50 | $0.20 | $332 | 18k | 11k | 87M | 111 | 19.61s | 19.61s | 24.11s | 161.88s | - | 1M | Apr 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - |   | |
| Grok 4.3 (medium) | SpaceXAI | 25 | - | - | - | - | - | - | - | $0.6 | $1.25 | $2.50 | $0.20 | - | - | - | - | 102 | 11.48s | 11.48s | 16.36s | - | - | 1M | Apr 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| Grok 4.3 (low) | SpaceXAI | 24 | - | - | - | - | - | - | - | $0.6 | $1.25 | $2.50 | $0.20 | - | - | - | - | 109 | 4.68s | 4.68s | 9.26s | - | - | 1M | Apr 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| Grok 4.3 (Non-reasoning) | SpaceXAI | 15 | 16 | 14 | 19 | - | 15 | 21 | $0.14 | $0.6 | $1.25 | $2.50 | $0.20 | $203 | 9k | 0 | 12M | 109 | 0.73s | 0.73s | 5.32s | 86.37s | - | 1M | Apr 2026 | - | No | Supports: text and image | Supports: text | Not available | - | | |