Claude Sonnet 5.5 vs GPT-6 Sol: Release Comparison
Comparison of the Claude Sonnet 5.5 and GPT-6 Sol 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, Claude Sonnet 5.5 scores highest: Claude Sonnet 5.5 (Adaptive Reasoning, Max Effort, Default Fallback) at 56, against GPT-6 Sol (max) at 48 for GPT-6 Sol.
- For output speed, Claude Sonnet 5.5 is fastest: Claude Sonnet 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback) at 171 t/s, against GPT-6 Sol (max) at 90 t/s for GPT-6 Sol.
- For cost per task, GPT-6 Sol is cheapest: GPT-6 Sol (low) at $0.13, against Claude Sonnet 5.5 (Adaptive Reasoning, Low Effort, Default Fallback) at $0.41 for Claude Sonnet 5.5.
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 | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Claude Sonnet 5.5 (Adaptive Reasoning, Max Effort, Default Fallback) |  Anthropic | 56 | 57 | 60 | 56 | - | 58 | 61 | $7.60 | $1.5 | $2.00 | $10.00 | $0.20 | $8,977 | 193k | 142k | 411M | - | - | - | - | - | - | 1M | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - |   | |
| Claude Sonnet 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback) | Anthropic | 52 | 52 | 56 | 52 | - | 54 | 56 | $2.74 | $1.5 | $2.00 | $10.00 | $0.20 | $2,738 | 74k | 48k | 104M | 171 | 135.07s | 135.07s | 138.00s | 329.29s | - | 1M | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GPT-6 Sol (max) |  OpenAI | 48 | 48 | 52 | 51 | 43 | 49 | 54 | $1.06 | $1.5 | $2.00 | $10.00 | $0.20 | $1,550 | 31k | 21k | 77M | 90 | 149.14s | 149.14s | 154.71s | 348.35s | - | 872k | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - |  | |
| Claude Sonnet 5.5 (Adaptive Reasoning, High Effort, Default Fallback) | Anthropic | 47 | 47 | 52 | 49 | - | 48 | 52 | $1.08 | $1.5 | $2.00 | $10.00 | $0.20 | $1,176 | 34k | 18k | 50M | 97 | 10.97s | 10.97s | 16.12s | 187.78s | - | 1M | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GPT-6 Sol (xhigh) | OpenAI | 44 | 46 | 51 | 49 | - | 45 | 52 | $0.53 | $1.5 | $2.00 | $10.00 | $0.20 | $865 | 16k | 9k | 40M | 80 | 38.23s | 38.23s | 44.50s | 199.13s | - | 872k | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GPT-6 Sol (high) | OpenAI | 43 | 46 | 50 | 48 | - | 43 | 52 | $0.37 | $1.5 | $2.00 | $10.00 | $0.20 | $610 | 10k | 5k | 25M | 81 | 9.56s | 9.56s | 15.73s | 126.07s | - | 872k | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| Claude Sonnet 5.5 (Adaptive Reasoning, Medium Effort, Default Fallback) | Anthropic | 41 | 41 | 45 | 44 | - | 42 | 47 | $0.59 | $1.5 | $2.00 | $10.00 | $0.20 | $701 | 19k | 8k | 29M | 115 | 3.79s | 3.79s | 8.16s | 108.81s | - | 1M | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GPT-6 Sol (medium) | OpenAI | 40 | 43 | 47 | 47 | - | 40 | 49 | $0.25 | $1.5 | $2.00 | $10.00 | $0.20 | $417 | 6k | 2k | 16M | - | - | - | - | - | - | 872k | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| Claude Sonnet 5.5 (Adaptive Reasoning, Low Effort, Default Fallback) | Anthropic | 36 | 37 | 41 | 40 | - | 38 | 44 | $0.41 | $1.5 | $2.00 | $10.00 | $0.20 | $544 | 14k | 5k | 23M | 93 | 1.17s | 1.17s | 6.57s | 95.30s | - | 1M | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GPT-6 Sol (low) | OpenAI | 34 | 38 | 41 | 42 | - | 35 | 44 | $0.13 | $1.5 | $2.00 | $10.00 | $0.20 | $268 | 3k | 697 | 9M | 82 | 1.78s | 1.78s | 7.87s | 41.07s | - | 872k | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GPT-6 Sol (Non-reasoning) | OpenAI | 28 | 32 | 35 | 32 | - | 29 | 34 | $0.33 | $1.5 | $2.00 | $10.00 | $0.20 | $448 | 5k | 0 | 8M | 79 | 0.95s | 0.95s | 7.27s | 61.89s | - | 872k | Sep 2026 | - | No | Supports: text and image | Supports: text | Not available | - | | |