GPT-6 Sol vs GPT-6 Astra: Release Comparison
Comparison of the GPT-6 Sol and GPT-6 Astra releases: 6 and 5 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 Astra scores highest: GPT-6 Astra (max) at 53, against GPT-6 Sol (max) at 48 for GPT-6 Sol.
- For output speed, GPT-6 Sol is fastest: GPT-6 Sol (high) at 138 t/s, against GPT-6 Astra (max) at 58 t/s for GPT-6 Astra.
Releases compared
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 | 58 | 323.74s | 323.74s | 332.41s | 476.81s | - | 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 | 54 | 198.11s | 198.11s | 207.34s | 310.12s | - | 1M | Sep 2026 | Apr 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 | 49 | 79.00s | 79.00s | 89.26s | 242.90s | - | 1M | Sep 2026 | Apr 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 | 6.36s | 6.36s | 17.08s | 204.99s | - | 1M | Sep 2026 | Apr 2026 | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GPT-6 Sol (max) | OpenAI | 48 | 48 | 52 | 51 | - | 49 | 54 | - | $1.5 | $2.00 | $10.00 | $0.20 | - | 31k | 21k | 77M | 104 | 107.18s | 107.18s | 111.97s | 290.77s | - | 872k | 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 | 50 | 2.86s | 2.86s | 12.82s | 89.55s | - | 1M | Sep 2026 | Apr 2026 | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GPT-6 Sol (xhigh) | OpenAI | 44 | 46 | 51 | 49 | - | 45 | 52 | - | $1.5 | $2.00 | $10.00 | $0.20 | - | 16k | 9k | 40M | 136 | 44.76s | 44.76s | 48.43s | 127.71s | - | 872k | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GPT-6 Sol (high) | OpenAI | 43 | 46 | 50 | 48 | - | 43 | 52 | - | $1.5 | $2.00 | $10.00 | $0.20 | - | 10k | 5k | 25M | 138 | 7.57s | 7.57s | 11.18s | 76.12s | - | 872k | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GPT-6 Sol (medium) | OpenAI | 40 | 43 | 47 | 47 | - | 40 | 49 | - | $1.5 | $2.00 | $10.00 | $0.20 | - | 6k | 2k | 16M | 114 | 1.96s | 1.96s | 6.34s | 59.99s | - | 872k | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GPT-6 Sol (low) | OpenAI | 34 | 38 | 41 | 42 | - | 35 | 44 | - | $1.5 | $2.00 | $10.00 | $0.20 | - | 3k | 697 | 9M | 124 | 1.44s | 1.44s | 5.47s | 27.62s | - | 872k | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GPT-6 Sol (Non-reasoning) | OpenAI | 28 | 32 | 35 | 32 | - | 29 | 34 | - | $1.5 | $2.00 | $10.00 | $0.20 | - | 5k | 0 | 8M | 103 | 0.89s | 0.89s | 5.73s | 47.39s | - | 872k | Sep 2026 | - | No | Supports: text and image | Supports: text | Not available | - | | |