Gemini 3.8 Flash vs Kimi K3: Release Comparison
Comparison of the Gemini 3.8 Flash and Kimi K3 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, Kimi K3 scores highest: Kimi K3 (max) at 44, against Gemini 3.8 Flash (high) at 41 for Gemini 3.8 Flash.
- For output speed, Gemini 3.8 Flash is fastest: Gemini 3.8 Flash (high) at 287 t/s, against Kimi K3 (max) at 37 t/s for Kimi K3.
- For cost per task, Gemini 3.8 Flash is cheapest: Gemini 3.8 Flash (medium) at $0.93, against Kimi K3 (max) at $2.00 for Kimi K3.
Intelligence
Artificial Analysis Intelligence Index
Intelligence Index vs. Cost per Intelligence Index Task
Cost per Task (USD, Log Scale)
Cost
Cost per Intelligence Index Task
Speed & Latency
Output Speed
Capability Scores
Capability Indexes
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
Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2.1, AA-Briefcase v1.1, AutomationBench-AA, AA-LCR v1.1, GDP.pdf · Higher is better
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
Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2.1, AA-Briefcase v1.1, MLCR-AA, Humanity's Last Exam, AutomationBench-AA · Higher is better
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
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 | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kimi K3 (max) |  Kimi | 44 | 47 | 50 | 49 | 45 | 43 | 53 | $2.00 | $2.3 | $3.00 | $15.00 | $0.30 | $3,658 | 48k | 32k | 161M | 37 | 4.08s | 58.52s | 72.13s | 1201.66s | 2.8T 104B active at inference time | 1M | Jul 2026 | - | Yes | Supports: text and image | Supports: text |    +10 | |||
| Gemini 3.8 Flash (high) |  Google | 41 | 47 | 48 | 52 | 42 | 43 | 52 | $1.24 | $0.6 | $0.75 | $3.75 | $0.075 | $1,623 | 71k | 43k | 172M | 287 | 14.26s | 14.26s | 16.00s | 234.86s | - | 1M | Sep 2026 | - | Yes | Supports: text, image, speech, and video | Supports: text | Not available | - | | |
| Gemini 3.8 Flash (medium) | Google | 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 | - | | |
| Kimi K3 (low) | Kimi | 34 | - | - | - | - | - | - | - | $2.3 | $3.00 | $15.00 | $0.30 | - | - | - | - | 34 | 5.05s | 64.15s | 78.92s | - | 2.8T 104B active at inference time | 1M | Jul 2026 | - | Yes | Supports: text and image | Supports: text |  | |||
| Gemini 3.8 Flash (low) | Google | 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 | - | | |