GPT-6 Luna vs GLM-5.3: Release Comparison
Comparison of the GPT-6 Luna and GLM-5.3 releases: 6 and 2 models respectively, each with different intelligence, performance, and pricing characteristics. Below is a comparison of the key metrics across all 8 models.
- For intelligence, GLM-5.3 scores highest: GLM-5.3 (max) at 45, against GPT-6 Luna (max) at 37 for GPT-6 Luna.
- For output speed, GPT-6 Luna is fastest: GPT-6 Luna (medium) at 143 t/s, against GLM-5.3 (low) at 75 t/s for GLM-5.3.
- For cost per task, GPT-6 Luna is cheapest: GPT-6 Luna (low) at $0.0045, against GLM-5.3 (max) at $2.01 for GLM-5.3.
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 | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GLM-5.3 (max) |  Z AI | 45 | 45 | 48 | 42 | 47 | 47 | 51 | $2.01 | $0.9 | $1.40 | $4.40 | $0.26 | $2,503 | 71k | 49k | 209M | 59 | 3.46s | 37.15s | 45.58s | 864.40s | 753B 40B active at inference time | 1M | Aug 2026 | - | Yes | Supports: text | Supports: text |   +17 | |||
| GPT-6 Luna (max) |  OpenAI | 37 | 39 | 45 | 39 | 37 | 37 | 45 | $0.07 | $0.1 | $0.10 | $0.50 | $0.01 | $122 | 51k | 39k | 145M | 134 | 125.94s | 125.94s | 129.68s | 362.95s | - | 1M | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GLM-5.3 (low) | Z AI | 34 | 35 | 39 | 33 | - | 38 | 41 | $3.66 | $1.7 | $1.40 | $4.40 | - | $3,294 | 30k | 21k | 88M | 75 | 2.91s | 29.56s | 36.22s | 393.41s | 753B 40B active at inference time | 1M | Aug 2026 | - | Yes | Supports: text | Supports: text | | |||
| GPT-6 Luna (xhigh) | OpenAI | 34 | 37 | 42 | 37 | - | 33 | 41 | $0.04 | $0.1 | $0.10 | $0.50 | $0.01 | $66 | 27k | 19k | 68M | 128 | 19.20s | 19.20s | 23.12s | 209.76s | - | 1M | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GPT-6 Luna (high) | OpenAI | 32 | 36 | 41 | 35 | - | 32 | 40 | $0.03 | $0.1 | $0.10 | $0.50 | $0.01 | $48 | 20k | 13k | 47M | 135 | 9.60s | 9.60s | 13.30s | 151.52s | - | 1M | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GPT-6 Luna (medium) | OpenAI | 29 | 32 | 37 | 33 | - | 29 | 37 | $0.02 | $0.1 | $0.10 | $0.50 | $0.01 | $31 | 11k | 6k | 28M | 143 | 5.28s | 5.28s | 8.78s | 79.51s | - | 1M | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GPT-6 Luna (low) | OpenAI | 21 | 24 | 22 | 25 | - | 23 | 30 | $0.0045 | $0.1 | $0.10 | $0.50 | $0.01 | $11 | 2k | 515 | 8M | 124 | 2.23s | 2.23s | 6.26s | 16.89s | - | 1M | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GPT-6 Luna (Non-reasoning) | OpenAI | 18 | 20 | 20 | 19 | - | 21 | 24 | $0.01 | $0.1 | $0.10 | $0.50 | $0.01 | $19 | 4k | 0 | 7M | 124 | 0.87s | 0.87s | 4.92s | 29.56s | - | 1M | Sep 2026 | - | No | Supports: text and image | Supports: text | Not available | - | | |