DeepSeek V4 Flash 0731 vs Gemini 3.5 Flash: Release Comparison
Comparison of the DeepSeek V4 Flash 0731 and Gemini 3.5 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, DeepSeek V4 Flash 0731 scores highest: DeepSeek V4 Flash 0731 Vision (Reasoning, Max Effort) at 35, against Gemini 3.5 Flash (medium) at 34 for Gemini 3.5 Flash.
- For output speed, DeepSeek V4 Flash 0731 is fastest: DeepSeek V4 Flash 0731 Vision (Reasoning, Max Effort) at 236 t/s, against Gemini 3.5 Flash (high) at 222 t/s for Gemini 3.5 Flash.
- For cost per task, DeepSeek V4 Flash 0731 is cheapest: DeepSeek V4 Flash 0731 (Reasoning, Max Effort) at $0.22, against Gemini 3.5 Flash (high) at $1.56 for Gemini 3.5 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 | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DeepSeek V4 Flash 0731 Vision (Reasoning, Max Effort) |  DeepSeek | 35 | 38 | 44 | 37 | - | 35 | 40 | $0.31 | $0.2 | $0.44 | $1.32 | $0.014 | $445 | 69k | 46k | 170M | 236 | 1.14s | 9.64s | 11.76s | 222.63s | 284B 13B active at inference time | 1M | Aug 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - |  | |
| DeepSeek V4 Flash 0731 (Reasoning, Max Effort) | DeepSeek | 35 | 38 | 43 | 38 | 35 | 35 | 40 | $0.22 | $0.2 | $0.44 | $1.32 | $0.014 | $474 | 62k | 45k | 242M | 227 | 1.49s | 10.30s | 12.50s | 211.11s | 284B 13B active at inference time | 1M | Jul 2026 | - | Yes | Supports: text | Supports: text |    +13 | |||
| Gemini 3.5 Flash (medium) |  Google | 34 | - | - | - | - | - | - | - | $1.3 | $1.50 | $9.00 | $0.15 | - | - | - | - | 214 | 13.12s | 13.12s | 15.46s | - | - | 1M | May 2026 | - | Yes | Supports: text, image, speech, and video | Supports: text | Not available | - | | |
| Gemini 3.5 Flash (high) | Google | 33 | 39 | 38 | 45 | 35 | 35 | 46 | $1.56 | $1.3 | $1.50 | $9.00 | $0.15 | $2,172 | 55k | 36k | 120M | 222 | 16.11s | 16.11s | 18.36s | 225.06s | - | 1M | May 2026 | - | Yes | Supports: text, image, speech, and video | Supports: text | Not available | - | | |
| Gemini 3.5 Flash (minimal) | Google | 24 | - | - | - | - | - | - | - | $1.3 | $1.50 | $9.00 | $0.15 | - | - | - | - | 218 | 0.87s | 0.87s | 3.17s | - | - | 1M | May 2026 | - | No | Supports: text, image, speech, and video | Supports: text | Not available | - | | |