Grok 4.7 vs Gemini 3.8 Flash: Release Comparison

Comparison of the Grok 4.7 and Gemini 3.8 Flash releases: 2 and 3 models respectively, each with different intelligence, performance, and pricing characteristics. Below is a comparison of the key metrics across all 5 models.

  • For intelligence, Grok 4.7 scores highest: Grok 4.7 (xhigh) at 46, against Gemini 3.8 Flash (high) at 41 for Gemini 3.8 Flash.

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
Gemini 3.8 Flash
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
Grok 4.7 (xhigh)
SpaceXAI logoSpaceXAI
46
52
54
54
-
47
56
-
-
-
-
-
-
81k
59k
240M
-
-
-
-
-
-
500k
Sep 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
-
Grok 4.7 (high)
SpaceXAI logoSpaceXAI
46
52
54
54
-
47
55
-
-
-
-
-
-
66k
47k
198M
-
-
-
-
-
-
500k
Sep 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
-
Gemini 3.8 Flash (high)
Google logoGoogle
41
47
48
52
42
43
52
$1.24
$0.6
$0.75
$3.75
$0.075
$1,623
71k
43k
172M
344
22.70s
22.70s
24.15s
197.91s
-
1M
Sep 2026
-
Yes

Supports: text, image, speech, and video

Supports: text

Not available
-
Google
Gemini 3.8 Flash (medium)
Google logoGoogle
40
45
48
51
-
40
50
$0.93
$0.6
$0.75
$3.75
$0.075
$1,100
53k
27k
95M
-
-
-
-
-
-
1M
Sep 2026
-
Yes

Supports: text, image, speech, and video

Supports: text

Not available
-
Google
Gemini 3.8 Flash (low)
Google logoGoogle
33
39
39
45
-
34
46
-
$0.6
$0.75
$3.75
$0.075
-
-
-
-
-
-
-
-
-
-
1M
Sep 2026
-
Yes

Supports: text, image, speech, and video

Supports: text

Not available
-
Google