GPT-6 Sol vs Grok 4.6: Release Comparison

Comparison of the GPT-6 Sol and Grok 4.6 releases: 6 and 4 models respectively, each with different intelligence, performance, and pricing characteristics. Below is a comparison of the key metrics across all 10 models.

  • For intelligence, GPT-6 Sol scores highest: GPT-6 Sol (max) at 48, against Grok 4.6 (high) at 44 for Grok 4.6.
  • For output speed, GPT-6 Sol is fastest: GPT-6 Sol (high) at 138 t/s, against Grok 4.6 (medium) at 58 t/s for Grok 4.6.

Releases compared

Intelligence

Artificial Analysis Intelligence Index

Artificial Analysis Intelligence Index v4.3.2 incorporates 10 evaluations: AA-Briefcase v1.1, GDPval-AA v2.1, AutomationBench-AA, Terminal-Bench 4.0, SciCode, Humanity's Last Exam, GDP.pdf, CritPt, AA-Omniscience, AA-LCR v1.1

Intelligence Index vs. Cost per Intelligence Index Task

Artificial Analysis Intelligence Index · Weighted average cost (USD) per Artificial Analysis Intelligence Index task
Most attractive quadrant
Grok 4.6
Pareto line

Cost per Task (USD, Log Scale)

Cost

Cost per Intelligence Index Task

Weighted average cost (USD) per Artificial Analysis Intelligence Index task, segmented by token type. Lower is better

Speed & Latency

Output Speed

Output tokens per second · Higher is better

Capability Scores

Capability Indexes

Measures the performance of models on specific capabilities and industries
Finance & Accounting Index

Incorporates 7 evaluations: AA-Omniscience, GDPval-AA v2.1, AA-Briefcase v1.1, Humanity's Last Exam, AutomationBench-AA, AA-LCR v1.1, GDP.pdf · Higher is better

Strategy & Ops Index

Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2.1, AA-Briefcase v1.1, AutomationBench-AA, AA-LCR v1.1, GDP.pdf · Higher is better

Legal Index

Incorporates 7 evaluations: AA-Omniscience, GDPval-AA v2.1, AA-Briefcase v1.1, Humanity's Last Exam, AA-LCR v1.1, GDP.pdf, AutomationBench-AA · Higher is better

Healthcare & Medical Index

Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2.1, AA-Briefcase v1.1, MLCR-AA, Humanity's Last Exam, AutomationBench-AA · Higher is better

Engineering Index

Incorporates 6 evaluations: AA-Omniscience, Humanity's Last Exam, CritPt, GDPval-AA v2.1, AA-Briefcase v1.1, Terminal-Bench 4.0 · Higher is better

Economics Index

Incorporates 5 evaluations: AA-Omniscience, Humanity's Last Exam, GDPval-AA v2.1, AA-Briefcase v1.1, AA-LCR v1.1 · Higher is better

Further details

Input modality
Output modality
Weights
Provider Benchmarks
GPT-6 Sol (max)
OpenAI logoOpenAI
48
48
52
51
-
49
54
-
$1.5
$2.00
$10.00
$0.20
-
31k
21k
77M
104
107.18s
107.18s
111.97s
290.77s
-
872k
Sep 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
OpenAI
Grok 4.6 (high)
SpaceXAI logoSpaceXAI
44
49
52
52
45
45
54
$1.86
$1.4
$2.00
$6.00
$0.50
$2,352
36k
19k
94M
58
42.75s
42.75s
51.43s
637.81s
-
500k
Aug 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
SpaceXAI
Grok 4.6 (xhigh)
SpaceXAI logoSpaceXAI
44
49
51
52
-
45
55
$2.32
$1.4
$2.00
$6.00
$0.50
$2,830
38k
20k
97M
55
52.42s
52.42s
61.46s
690.38s
-
500k
Aug 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
SpaceXAI
GPT-6 Sol (xhigh)
OpenAI logoOpenAI
44
46
51
49
-
45
52
-
$1.5
$2.00
$10.00
$0.20
-
16k
9k
40M
136
44.76s
44.76s
48.43s
127.71s
-
872k
Sep 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
OpenAI
Grok 4.6 (medium)
SpaceXAI logoSpaceXAI
43
47
49
49
-
43
53
$1.50
$1.4
$2.00
$6.00
$0.50
$1,937
28k
14k
73M
58
31.86s
31.86s
40.43s
511.17s
-
500k
Aug 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
SpaceXAI
GPT-6 Sol (high)
OpenAI logoOpenAI
43
46
50
48
-
43
52
-
$1.5
$2.00
$10.00
$0.20
-
10k
5k
25M
138
7.57s
7.57s
11.18s
76.12s
-
872k
Sep 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
OpenAI
GPT-6 Sol (medium)
OpenAI logoOpenAI
40
43
47
47
-
40
49
-
$1.5
$2.00
$10.00
$0.20
-
6k
2k
16M
114
1.96s
1.96s
6.34s
59.99s
-
872k
Sep 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
OpenAI
Grok 4.6 (low)
SpaceXAI logoSpaceXAI
35
38
44
44
-
35
45
$0.48
$1.4
$2.00
$6.00
$0.50
$761
10k
2k
21M
55
7.98s
7.98s
17.07s
188.35s
-
500k
Aug 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
SpaceXAI
GPT-6 Sol (low)
OpenAI logoOpenAI
34
38
41
42
-
35
44
-
$1.5
$2.00
$10.00
$0.20
-
3k
697
9M
124
1.44s
1.44s
5.47s
27.62s
-
872k
Sep 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
OpenAI
GPT-6 Sol (Non-reasoning)
OpenAI logoOpenAI
28
32
35
32
-
29
34
-
$1.5
$2.00
$10.00
$0.20
-
5k
0
8M
103
0.89s
0.89s
5.73s
47.39s
-
872k
Sep 2026
-
No

Supports: text and image

Supports: text

Not available
-
OpenAI