GPT-6 Sol vs Claude Opus 5.5: Release Comparison

Comparison of the GPT-6 Sol and Claude Opus 5.5 releases: 6 and 5 models respectively, each with different intelligence, performance, and pricing characteristics. Below is a comparison of the key metrics across all 11 models.

  • For intelligence, Claude Opus 5.5 scores highest: Claude Opus 5.5 (Adaptive Reasoning, Max Effort, Default Fallback) at 58, against GPT-6 Sol (max) at 48 for GPT-6 Sol.
  • For output speed, GPT-6 Sol is fastest: GPT-6 Sol (high) at 138 t/s, against Claude Opus 5.5 (Adaptive Reasoning, Low Effort, Default Fallback) at 86 t/s for Claude Opus 5.5.

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
Claude Opus 5.5
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
Claude Opus 5.5 (Adaptive Reasoning, Max Effort, Default Fallback)
Anthropic logoAnthropic
58
61
64
63
-
60
66
$5.98
$2.9
$4.00
$20.00
$0.20
$8,708
119k
84k
260M
-
-
-
-
-
-
1M
Sep 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
Anthropic
Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback)
Anthropic logoAnthropic
56
58
62
61
-
59
63
$3.46
$2.9
$4.00
$20.00
$0.20
$4,057
66k
40k
100M
74
170.23s
170.23s
176.96s
560.27s
-
1M
Sep 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
Anthropic
Claude Opus 5.5 (Adaptive Reasoning, High Effort, Default Fallback)
Anthropic logoAnthropic
54
56
59
59
-
56
61
$1.82
$2.9
$4.00
$20.00
$0.20
$2,172
36k
18k
53M
85
12.65s
12.65s
18.56s
266.45s
-
1M
Sep 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
Anthropic
Claude Opus 5.5 (Adaptive Reasoning, Medium Effort, Default Fallback)
Anthropic logoAnthropic
51
54
57
57
-
54
60
$1.34
$2.9
$4.00
$20.00
$0.20
$1,627
26k
12k
38M
76
22.48s
22.48s
29.08s
202.57s
-
1M
Sep 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
Anthropic
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
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
Claude Opus 5.5 (Adaptive Reasoning, Low Effort, Default Fallback)
Anthropic logoAnthropic
42
46
48
52
-
45
53
$0.55
$2.9
$4.00
$20.00
$0.20
$860
10k
3k
20M
86
7.03s
7.03s
12.83s
75.89s
-
1M
Sep 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
Anthropic
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