Gemini 3.8 Flash vs gpt-oss-20b: Release Comparison

Comparison of the Gemini 3.8 Flash and gpt-oss-20b 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-20b (low) at 10 for gpt-oss-20b.
  • For output speed, Gemini 3.8 Flash is fastest: Gemini 3.8 Flash (high) at 297 t/s, against gpt-oss-20b (low) at 224 t/s for gpt-oss-20b.
  • For cost per task, gpt-oss-20b is cheapest: gpt-oss-20b (high) at $0.01, 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 v4.3.2 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
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 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
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
297
14.26s
14.26s
15.94s
229.94s
-
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
gpt-oss-20b (low)
OpenAI logoOpenAI
10
-
-
-
-
-
-
-
$0.1
$0.07
$0.215
-
-
-
-
-
224
0.92s
9.85s
12.08s
-
21B
3.6B active at inference time
131k
Aug 2025
May 2025
Yes

Supports: text

Supports: text

GroqHyperbolicCoreWeave
+4
gpt-oss-20b (high)
OpenAI logoOpenAI
9
7
5
7
7
12
11
$0.01
$0.1
$0.07
$0.18
-
$31
18k
16k
70M
186
0.85s
11.63s
14.32s
104.61s
21B
3.6B active at inference time
131k
Aug 2025
May 2024
Yes

Supports: text

Supports: text

CoreWeaveAmazon BedrockDeepInfra
+5