Gemini 3.5 Flash vs gpt-oss-120b: Release Comparison

Comparison of the Gemini 3.5 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 3.5 Flash scores highest: Gemini 3.5 Flash (medium) at 34, against gpt-oss-120b (high) at 12 for gpt-oss-120b.
  • For output speed, Gemini 3.5 Flash is fastest: Gemini 3.5 Flash (medium) at 222 t/s, against gpt-oss-120b (high) at 213 t/s for gpt-oss-120b.
  • For cost per task, gpt-oss-120b is cheapest: gpt-oss-120b (high) at $0.11, against Gemini 3.5 Flash (high) at $1.56 for Gemini 3.5 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
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 3.5 Flash (medium)
Google logoGoogle
34
-
-
-
-
-
-
-
$1.3
$1.50
$9.00
$0.15
-
-
-
-
222
14.69s
14.69s
16.94s
-
-
1M
May 2026
-
Yes

Supports: text, image, speech, and video

Supports: text

Not available
-
Google
Gemini 3.5 Flash (high)
Google logoGoogle
33
39
38
45
35
35
46
$1.56
$1.3
$1.50
$9.00
$0.15
$2,172
55k
36k
120M
219
17.48s
17.48s
19.76s
233.23s
-
1M
May 2026
-
Yes

Supports: text, image, speech, and video

Supports: text

Not available
-
Google
Gemini 3.5 Flash (minimal)
Google logoGoogle
24
-
-
-
-
-
-
-
$1.3
$1.50
$9.00
$0.15
-
-
-
-
205
0.84s
0.84s
3.28s
-
-
1M
May 2026
-
No

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
213
0.84s
10.24s
12.59s
128.62s
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
-
-
-
-
211
0.83s
10.29s
12.65s
-
117B
5.1B active at inference time
131k
Aug 2025
May 2025
Yes

Supports: text

Supports: text

SnowflakeHyperbolicNebius
+14