Gemini 3.8 Flash vs gpt-oss-120b: Release Comparison

Comparison of the Gemini 3.8 Flash and gpt-oss-120b releases: 3 and 2 models respectively, each with different intelligence, performance, and pricing characteristics. Below is a comparison of the key metrics across all 5 models.

  • For intelligence, Gemini 3.8 Flash scores highest: Gemini 3.8 Flash (high) at 41, against gpt-oss-120b (high) at 12 for gpt-oss-120b.
  • For output speed, Gemini 3.8 Flash is fastest: Gemini 3.8 Flash (high) at 336 t/s, against gpt-oss-120b (low) at 210 t/s for gpt-oss-120b.
  • For cost per task, gpt-oss-120b is cheapest: gpt-oss-120b (high) at $0.11, against Gemini 3.8 Flash (medium) at $0.93 for Gemini 3.8 Flash.

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
Gemini 3.8 Flash
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
Gemini 3.8 Flash (high)
Google logoGoogle
41
47
49
52
42
43
53
$1.24
$0.6
$0.75
$3.75
$0.075
$1,623
71k
43k
172M
336
14.66s
14.66s
16.15s
209.25s
-
1M
Sep 2026
-
Yes

Supports: text, image, speech, and video

Supports: text

Not available
-
Google
Gemini 3.8 Flash (medium)
Google logoGoogle
40
45
49
51
-
41
51
$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
34
40
39
45
-
35
46
-
$0.6
$0.75
$3.75
$0.075
-
-
-
-
-
-
-
-
-
-
1M
Sep 2026
-
Yes

Supports: text, image, speech, and video

Supports: text

Not available
-
Google
gpt-oss-120b (high)
OpenAI logoOpenAI
12
13
9
12
12
16
19
$0.11
$0.2
$0.15
$0.595
$0.125
$122
27k
15k
84M
208
0.84s
10.46s
12.86s
129.23s
117B
5.1B active at inference time
131k
Aug 2025
May 2024
Yes

Supports: text

Supports: text

GroqCloudflareScaleway
+14
gpt-oss-120b (low)
OpenAI logoOpenAI
10
-
-
-
-
-
-
-
$0.2
$0.15
$0.545
$0.15
-
-
-
-
210
0.83s
10.37s
12.76s
-
117B
5.1B active at inference time
131k
Aug 2025
May 2025
Yes

Supports: text

Supports: text

SnowflakeHyperbolicNebius
+14