GPT-6.1 Sol vs GPT-6 Astra: Release Comparison
Comparison of the GPT-6.1 Sol and GPT-6 Astra releases: 5 and 5 models respectively, each with different intelligence, performance, and pricing characteristics. Below is a comparison of the key metrics across all 10 models.
- For intelligence, GPT-6 Astra scores highest: GPT-6 Astra (max) at 53, against GPT-6.1 Sol (max) at 52 for GPT-6.1 Sol.
- For output speed, GPT-6.1 Sol is fastest: GPT-6.1 Sol (low) at 74 t/s, against GPT-6 Astra (max) at 57 t/s for GPT-6 Astra.
- For cost per task, GPT-6.1 Sol is cheapest: GPT-6.1 Sol (low) at $0.13, against GPT-6 Astra (low) at $0.82 for GPT-6 Astra.
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 Astra (max) |  OpenAI | 53 | 55 | 57 | 59 | 52 | 55 | 60 | $3.26 | $7.7 | $10.00 | $50.00 | $1.00 | $5,324 | 27k | 17k | 60M | 57 | 305.56s | 305.56s | 314.34s | 471.50s | - | 1M | Sep 2026 | Apr 2026 | Yes | Supports: text and image | Supports: text | Not available | - |   | |
| GPT-6 Astra (xhigh) | OpenAI | 52 | 54 | 57 | 58 | - | 55 | 59 | $2.31 | $7.7 | $10.00 | $50.00 | $1.00 | $3,803 | 17k | 9k | 38M | 49 | 126.90s | 126.90s | 137.05s | 339.54s | - | 1M | Sep 2026 | Apr 2026 | Yes | Supports: text and image | Supports: text | Not available | - | | |
| 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 Astra (high) | OpenAI | 51 | 53 | 55 | 58 | - | 53 | 58 | $1.73 | $7.7 | $10.00 | $50.00 | $1.00 | $2,925 | 12k | 5k | 26M | 50 | 41.09s | 41.09s | 51.12s | 238.33s | - | 1M | Sep 2026 | Apr 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 Astra (medium) | OpenAI | 50 | 52 | 54 | 57 | - | 52 | 58 | $1.54 | $7.7 | $10.00 | $50.00 | $1.00 | $2,434 | 10k | 3k | 19M | 47 | 4.88s | 4.88s | 15.57s | 206.51s | - | 1M | Sep 2026 | Apr 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 Astra (low) | OpenAI | 46 | 49 | 50 | 53 | - | 48 | 55 | $0.82 | $7.7 | $10.00 | $50.00 | $1.00 | $1,537 | 4k | 938 | 10M | 49 | 2.81s | 2.81s | 13.08s | 91.73s | - | 1M | Sep 2026 | Apr 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 | - | | |