GPT-6.1 Sol vs GPT-6 Luna: Release Comparison
Comparison of the GPT-6.1 Sol and GPT-6 Luna releases: 5 and 6 models respectively, each with different intelligence, performance, and pricing characteristics. Below is a comparison of the key metrics across all 11 models.
- For intelligence, GPT-6.1 Sol scores highest: GPT-6.1 Sol (max) at 52, against GPT-6 Luna (max) at 37 for GPT-6 Luna.
- For output speed, GPT-6 Luna is fastest: GPT-6 Luna (max) at 148 t/s, against GPT-6.1 Sol (low) at 74 t/s for GPT-6.1 Sol.
- For cost per task, GPT-6 Luna is cheapest: GPT-6 Luna (low) at $0.0045, against GPT-6.1 Sol (low) at $0.13 for GPT-6.1 Sol.
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 | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GPT-6.1 Sol (max) |  OpenAI | 52 | 54 | 57 | 58 | - | 54 | 59 | $0.72 | $1.5 | $2.00 | $10.00 | $0.10 | $1,082 | 38k | 25k | 67M | 67 | 267.64s | 267.64s | 275.12s | 568.66s | - | 1M | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GPT-6.1 Sol (xhigh) | OpenAI | 51 | 53 | 56 | 57 | - | 53 | 58 | $0.39 | $1.5 | $2.00 | $10.00 | $0.10 | $662 | 18k | 9k | 36M | 64 | 68.65s | 68.65s | 76.51s | 271.10s | - | 1M | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GPT-6.1 Sol (high) | OpenAI | 50 | 53 | 55 | 56 | - | 52 | 58 | $0.32 | $1.5 | $2.00 | $10.00 | $0.10 | $521 | 13k | 6k | 25M | 66 | 57.26s | 57.26s | 64.81s | 202.65s | - | 1M | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GPT-6.1 Sol (medium) | OpenAI | 48 | 50 | 53 | 54 | - | 50 | 56 | $0.21 | $1.5 | $2.00 | $10.00 | $0.10 | $361 | 8k | 3k | 15M | 62 | 5.29s | 5.29s | 13.36s | 126.91s | - | 1M | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GPT-6.1 Sol (low) | OpenAI | 42 | 45 | 46 | 50 | - | 44 | 52 | $0.13 | $1.5 | $2.00 | $10.00 | $0.10 | $250 | 4k | 1k | 9M | 74 | 1.84s | 1.84s | 8.56s | 54.07s | - | 1M | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GPT-6 Luna (max) | OpenAI | 37 | 39 | 45 | 39 | 37 | 37 | 45 | $0.07 | $0.1 | $0.10 | $0.50 | $0.01 | $122 | 50k | 39k | 145M | 148 | 96.96s | 96.96s | 100.32s | 335.23s | - | 1M | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - |  | |
| GPT-6 Luna (xhigh) | OpenAI | 34 | 37 | 42 | 37 | - | 33 | 41 | $0.04 | $0.1 | $0.10 | $0.50 | $0.01 | $67 | 27k | 19k | 69M | 133 | 16.87s | 16.87s | 20.64s | 202.58s | - | 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 | 132 | 10.97s | 10.97s | 14.76s | 150.19s | - | 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 | 29M | - | - | - | - | - | - | 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 | 517 | 8M | 124 | 2.18s | 2.18s | 6.20s | 16.57s | - | 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 | 142 | 0.80s | 0.80s | 4.33s | 26.54s | - | 1M | Sep 2026 | - | No | Supports: text and image | Supports: text | Not available | - | | |