DeepSeek V4 Flash 0731 vs Grok 4.3: Release Comparison
Comparison of the DeepSeek V4 Flash 0731 and Grok 4.3 releases: 2 and 4 models respectively, each with different intelligence, performance, and pricing characteristics. Below is a comparison of the key metrics across all 6 models.
- For intelligence, DeepSeek V4 Flash 0731 scores highest: DeepSeek V4 Flash Vision (Reasoning, Max Effort) at 35, against Grok 4.3 (high) at 25 for Grok 4.3.
- For output speed, DeepSeek V4 Flash 0731 is fastest: DeepSeek V4 Flash Vision (Reasoning, Max Effort) at 216 t/s, against Grok 4.3 (high) at 111 t/s for Grok 4.3.
- For cost per task, Grok 4.3 is cheapest: Grok 4.3 (Non-reasoning) at $0.14, against DeepSeek V4 Flash 0731 (Reasoning, Max Effort) at $0.22 for DeepSeek V4 Flash 0731.
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 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 | 216 | 1.16s | 10.42s | 12.74s | 239.28s | 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 | 215 | 1.53s | 10.83s | 13.16s | 212.39s | 284B 13B active at inference time | 1M | Jul 2026 | - | Yes | Supports: text | Supports: text |    +12 | |||
| Grok 4.3 (high) |  SpaceXAI | 25 | 28 | 18 | 33 | 27 | 31 | 41 | $0.17 | $0.6 | $1.25 | $2.50 | $0.20 | $332 | 18k | 11k | 87M | 111 | 19.61s | 19.61s | 24.11s | 161.88s | - | 1M | Apr 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - |   | |
| Grok 4.3 (medium) | SpaceXAI | 25 | - | - | - | - | - | - | - | $0.6 | $1.25 | $2.50 | $0.20 | - | - | - | - | 102 | 11.48s | 11.48s | 16.36s | - | - | 1M | Apr 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| Grok 4.3 (low) | SpaceXAI | 24 | - | - | - | - | - | - | - | $0.6 | $1.25 | $2.50 | $0.20 | - | - | - | - | 109 | 4.68s | 4.68s | 9.26s | - | - | 1M | Apr 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| Grok 4.3 (Non-reasoning) | SpaceXAI | 15 | 16 | 14 | 19 | - | 15 | 21 | $0.14 | $0.6 | $1.25 | $2.50 | $0.20 | $203 | 9k | 0 | 12M | 109 | 0.73s | 0.73s | 5.32s | 86.37s | - | 1M | Apr 2026 | - | No | Supports: text and image | Supports: text | Not available | - | | |