GPT-6 Sol vs Muse Spark 1.3: Release Comparison

Comparison of the GPT-6 Sol and Muse Spark 1.3 releases: 6 and 2 models respectively, each with different intelligence, performance, and pricing characteristics. Below is a comparison of the key metrics across all 8 models.

  • For intelligence, GPT-6 Sol and Muse Spark 1.3 tie at 48 (GPT-6 Sol (max) and Muse Spark 1.3 (max)).
  • For output speed, Muse Spark 1.3 is fastest: Muse Spark 1.3 (xhigh) at 237 t/s, against GPT-6 Sol (high) at 138 t/s for GPT-6 Sol.

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
Muse Spark 1.3
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
Muse Spark 1.3 (max)
Meta logoMeta
48
50
51
51
50
49
56
$1.60
$0.8
$1.25
$4.25
$0.15
$2,000
60k
34k
168M
219
20.98s
30.12s
32.41s
273.31s
-
1M
Sep 2026
-
Yes

Supports: text, image, and video

Supports: text

Not available
-
Meta
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
Muse Spark 1.3 (xhigh)
Meta logoMeta
45
48
49
49
-
46
55
$1.37
$0.8
$1.25
$4.25
$0.15
$1,655
55k
33k
137M
237
21.86s
30.29s
32.39s
230.32s
-
1M
Sep 2026
-
Yes

Supports: text, image, and video

Supports: text

Not available
-
Meta
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
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
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