GLM-5.3 vs K2-V2: Release Comparison
Comparison of the GLM-5.3 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.
- For intelligence, GLM-5.3 scores highest: GLM-5.3 (Max) at 45, against K2-V2 (High) at 10 for K2-V2.
| GLM-5.3 (max) | GLM-5.3 (low) | K2-V2 (high) | K2-V2 (medium) | K2-V2 (low) | |
|---|---|---|---|---|---|
| Intelligence Index | 45 | 34 | 10* | 9* | 7* |
| Finance & Accounting | 45 | 35 | -- | -- | -- |
| Strategy & Ops | 48 | 39 | -- | -- | -- |
| Legal | 42 | 33 | -- | -- | -- |
| Healthcare & Medical | 47 | -- | -- | -- | -- |
| Cost per TaskUSD | $2.01 | $0.85 | -- | -- | -- |
| Output SpeedTokens/s | 60 | 67 | -- | -- | -- |
| Time to First Tokens | 3.46 | 3.40 | -- | -- | -- |
| Context Window | 1M | 1M | 512k | 512k | 512k |
| Creator |  Z AI | Z AI |  Institute of Foundation Models | Institute of Foundation Models | Institute of Foundation Models |
| License | Open | Open | Open | Open | Open |
| Input Modality | Supports: text | Supports: text | Supports: text | Supports: text | Supports: text |
| Output Modality | Supports: text | Supports: text | Supports: text | Supports: text | Supports: text |
| Providers |    | -- | -- | -- | |
* Estimated
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: GDPval-AA v2.1, AA-Briefcase v1.1, AA-Omniscience, 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