Gemini 3.8 Flash vs DeepSeek V4 Flash 0420: Release Comparison
Comparison of the Gemini 3.8 Flash and DeepSeek V4 Flash 0420 releases: 3 and 3 models respectively, each with different intelligence, performance, and pricing characteristics. Below is a comparison of the key metrics across all 6 models.
- For intelligence, Gemini 3.8 Flash scores highest: Gemini 3.8 Flash (high) at 41, against DeepSeek V4 Flash (Reasoning, High Effort) at 25 for DeepSeek V4 Flash 0420.
- For cost per task, DeepSeek V4 Flash 0420 is cheapest: DeepSeek V4 Flash (Reasoning, Max Effort) at $0.12, against Gemini 3.8 Flash (medium) at $0.93 for Gemini 3.8 Flash.
Releases compared
Intelligence
Artificial Analysis Intelligence Index
Intelligence Index vs. Cost per Intelligence Index Task
Cost
Cost per Intelligence Index Task
Speed & Latency
Output Speed
Capability Scores
Capability Indices
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
Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, AutomationBench-AA, AA-LCR v1.1, GDP.pdf · Higher is better
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
Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, MLCR-AA, Humanity's Last Exam, AutomationBench-AA · Higher is better
Incorporates 6 evaluations: AA-Omniscience, Humanity's Last Exam, CritPt, GDPval-AA v2, AA-Briefcase, Terminal-Bench 4.0 · Higher is better
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 | 41 | 47 | 49 | 52 | 42 | 43 | 53 | $1.24 | $0.6 | $0.75 | $3.75 | $0.075 | $1,623 | 71k | 43k | 172M | 336 | 13.12s | 13.12s | 14.61s | 209.25s | - | 1M | Sep 2026 | - | Yes | Supports: text, image, speech, and video | Supports: text | Not available | - | | |
| Gemini 3.8 Flash (medium) | Google | 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 | - | | |
| Gemini 3.8 Flash (low) | Google | 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 | - | | |
| DeepSeek V4 Flash (Reasoning, High Effort) |  DeepSeek | 25 | 29 | 29 | 29 | 26 | 26 | 34 | $0.19 | $0.1 | $0.13 | $0.28 | $0.028 | $210 | 42k | 26k | 128M | - | - | - | - | - | 284B 13B active at inference time | 1M | Apr 2026 | - | Yes | Supports: text | Supports: text |    +4 | |||
| DeepSeek V4 Flash (Reasoning, Max Effort) | DeepSeek | 25 | 28 | 28 | 28 | 27 | 27 | 33 | $0.12 | $0.1 | $0.13 | $0.28 | $0.028 | $191 | 55k | 41k | 250M | - | - | - | - | - | 284B 13B active at inference time | 1M | Apr 2026 | - | Yes | Supports: text | Supports: text |  +2 | |||
| DeepSeek V4 Flash (Non-reasoning) | DeepSeek | 19 | - | - | - | - | - | - | - | $0.1 | $0.0938 | $0.195 | $0.07 | - | - | - | - | - | - | - | - | - | 284B 13B active at inference time | 1M | Apr 2026 | - | No | Supports: text | Supports: text |  | |||