GPT-5.6 Terra vs Nova 2.0 Omni: Release Comparison

Comparison of the GPT-5.6 Terra and Nova 2.0 Omni releases: 6 and 3 models respectively, each with different intelligence, performance, and pricing characteristics. Below is a comparison of the key metrics across all 9 models.

  • For intelligence, GPT-5.6 Terra scores highest: GPT-5.6 Terra (max) at 42, against Nova 2.0 Omni (medium) at 14 for Nova 2.0 Omni.

Releases compared

Intelligence

Artificial Analysis Intelligence Index

Artificial Analysis Intelligence Index v4.3 incorporates 10 evaluations: AA-Briefcase, GDPval-AA v2, AutomationBench-AA, Terminal-Bench 4.0, SciCode, Humanity's Last Exam, GDP.pdf, CritPt, AA-Omniscience, AA-LCR v1.1
Estimate (independent evaluation forthcoming)

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
GPT-5.6 Terra
Pareto line

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 Indices

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

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

Strategy & Ops Index

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

Legal Index

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

Healthcare & Medical Index

Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, 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, AA-Briefcase, Terminal-Bench 4.0 · Higher is better

Economics Index

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
GPT-5.6 Terra (max)
OpenAI logoOpenAI
42
42
48
42
41
43
45
$1.40
$1.7
$2.00
$12.00
$0.20
$2,501
39k
26k
122M
101
137.37s
137.37s
142.33s
388.38s
-
1M
Jul 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
OpenAIAmazon Bedrock
GPT-5.6 Terra (xhigh)
OpenAI logoOpenAI
38
40
44
40
38
38
44
$0.63
$1.7
$2.00
$12.00
$0.20
$1,187
20k
12k
52M
92
15.48s
15.48s
20.93s
230.84s
-
1M
Jul 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
OpenAIMicrosoft Azure
GPT-5.6 Terra (high)
OpenAI logoOpenAI
34
38
40
37
34
35
42
$0.34
$1.7
$2.00
$12.00
$0.20
$768
11k
5k
33M
92
2.53s
2.53s
7.95s
121.17s
-
1M
Jul 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
OpenAIMicrosoft Azure
GPT-5.6 Terra (medium)
OpenAI logoOpenAI
30
32
35
34
31
31
37
$0.18
$1.7
$2.00
$12.00
$0.20
$447
5k
2k
17M
90
1.65s
1.65s
7.24s
60.20s
-
1M
Jul 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
OpenAI
GPT-5.6 Terra (low)
OpenAI logoOpenAI
28
30
32
31
28
28
35
$0.14
$1.7
$2.00
$12.00
$0.20
$350
4k
1k
11M
91
1.61s
1.61s
7.13s
42.20s
-
1M
Jul 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
OpenAI
GPT-5.6 Terra (Non-reasoning)
OpenAI logoOpenAI
21
22
24
23
-
21
24
$0.14
$1.7
$2.00
$12.00
$0.20
$256
3k
0
6M
92
0.87s
0.87s
6.33s
34.07s
-
1M
Jul 2026
-
No

Supports: text and image

Supports: text

Not available
-
OpenAIAmazon Bedrock
Nova 2.0 Omni (medium)
Amazon logoAmazon
14
-
-
-
-
-
-
-
$0.5
$0.30
$2.50
-
-
-
-
-
-
-
-
-
-
-
1M
Nov 2025
-
Yes

Supports: text and image

Supports: text

Not available
-
Amazon Bedrock
Nova 2.0 Omni (low)
Amazon logoAmazon
11
-
-
-
-
-
-
-
$0.5
$0.30
$2.50
-
-
-
-
-
-
-
-
-
-
-
1M
Nov 2025
-
Yes

Supports: text and image

Supports: text

Not available
-
Amazon Bedrock
Nova 2.0 Omni (Non-reasoning)
Amazon logoAmazon
8
-
-
-
-
-
-
-
$0.5
$0.30
$2.50
-
-
-
-
-
-
-
-
-
-
-
1M
Nov 2025
-
No

Supports: text and image

Supports: text

Not available
-
Amazon Bedrock