Gemini 4 Carbon vs K2-V2: Release Comparison
Comparison of the Gemini 4 Carbon and K2-V2 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.
| Gemini 4 Carbon (high) | Gemini 4 Carbon (medium) | K2-V2 (high) | K2-V2 (medium) | K2-V2 (low) | |
|---|---|---|---|---|---|
| Intelligence Index | 59 | 58 | -- | -- | -- |
| Finance & Accounting | 63 | 60 | -- | -- | -- |
| Strategy & Ops | 61 | 58 | -- | -- | -- |
| Legal | 62 | 59 | -- | -- | -- |
| Healthcare & Medical | -- | -- | -- | -- | -- |
| Cost per TaskUSD | $7.76 | $6.59 | -- | -- | -- |
| Output SpeedTokens/s | 95 | -- | -- | -- | -- |
| Time to First Tokens | 137.57 | -- | -- | -- | -- |
| Context Window | 1M | 1M | 512k | 512k | 512k |
| Creator |  Google | Google |  Institute of Foundation Models | Institute of Foundation Models | Institute of Foundation Models |
| License | Proprietary | Proprietary | Open | Open | Open |
| Input Modality | Supports: text, image, speech, and video | Supports: text, image, speech, and video | Supports: text | Supports: text | Supports: text |
| Output Modality | Supports: text | Supports: text | Supports: text | Supports: text | Supports: text |
| Providers | | | -- | -- | -- |
Intelligence
Artificial Analysis Intelligence Index
Intelligence Index vs. Cost per Task
Cost per Task (USD, Log Scale)
Cost
Cost per Intelligence Index Task
Speed & Latency
Output Speed
Capability Scores
Capability Indexes
Incorporates 5 evaluations: AA-Briefcase v1.1, AA-Omniscience v1.1, HLE-Diamond, AutomationBench-AA, GDP.pdf · Higher is better
Incorporates 4 evaluations: AutomationBench-AA, AA-Briefcase v1.1, AA-Omniscience v1.1, GDP.pdf · Higher is better
Incorporates 5 evaluations: AA-Omniscience v1.1, AA-Briefcase v1.1, HLE-Diamond, GDP.pdf, AutomationBench-AA · Higher is better
Incorporates 5 evaluations: AA-Omniscience v1.1, AA-Briefcase v1.1, MLCR-AA, AutomationBench-AA, HLE-Diamond · Higher is better
Incorporates 7 evaluations: AA-Omniscience v1.1, CritPt v2 (Hard Subset), Terminal-Bench-Science 0.1, HLE-Diamond, Terminal-Bench 4.0, FrontierCode 2.0, AA-Briefcase v1.1 · Higher is better
Incorporates 4 evaluations: AA-Briefcase v1.1, AA-Omniscience v1.1, HLE-Diamond, GDP.pdf · Higher is better