Claude Opus 5.5 vs Grok 4.7: Release Comparison
Comparison of the Claude Opus 5.5 and Grok 4.7 releases: 5 and 2 models respectively, each with different intelligence, performance, and pricing characteristics. Below is a comparison of the key metrics across all 7 models.
- For intelligence, Claude Opus 5.5 scores highest: Claude Opus 5.5 (Adaptive Reasoning, Max Effort, Default Fallback) at 58, against Grok 4.7 (xhigh) at 46 for Grok 4.7.
- For output speed, Claude Opus 5.5 is fastest: Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback) at 92 t/s, against Grok 4.7 (high) at 54 t/s for Grok 4.7.
- For cost per task, Claude Opus 5.5 is cheapest: Claude Opus 5.5 (Adaptive Reasoning, Low Effort, Default Fallback) at $0.55, against Grok 4.7 (high) at $2.73 for Grok 4.7.
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 Opus 5.5 (Adaptive Reasoning, Max Effort, Default Fallback) |  Anthropic | 58 | 61 | 64 | 63 | 61 | 60 | 66 | $5.98 | $2.9 | $4.00 | $20.00 | $0.20 | $8,708 | 119k | 84k | 260M | - | - | - | - | - | - | 1M | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback) | Anthropic | 56 | 58 | 62 | 61 | - | 59 | 63 | $3.46 | $2.9 | $4.00 | $20.00 | $0.20 | $4,057 | 66k | 40k | 100M | 92 | 148.38s | 148.38s | 153.79s | 447.49s | - | 1M | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| Claude Opus 5.5 (Adaptive Reasoning, High Effort, Default Fallback) | Anthropic | 54 | 56 | 59 | 59 | - | 56 | 61 | $1.82 | $2.9 | $4.00 | $20.00 | $0.20 | $2,172 | 36k | 18k | 53M | 90 | 27.02s | 27.02s | 32.57s | 262.46s | - | 1M | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| Claude Opus 5.5 (Adaptive Reasoning, Medium Effort, Default Fallback) | Anthropic | 51 | 54 | 57 | 57 | - | 54 | 60 | $1.34 | $2.9 | $4.00 | $20.00 | $0.20 | $1,627 | 26k | 12k | 38M | 75 | 22.17s | 22.17s | 28.83s | 207.51s | - | 1M | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| Grok 4.7 (xhigh) |  SpaceXAI | 46 | 52 | 54 | 54 | 47 | 47 | 56 | $3.74 | $1.4 | $2.00 | $6.00 | $0.50 | $4,967 | 81k | 59k | 240M | 40 | 0.91s | 0.91s | 13.47s | 1115.97s | - | 500k | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| Grok 4.7 (high) | SpaceXAI | 46 | 52 | 54 | 54 | - | 47 | 55 | $2.73 | $1.4 | $2.00 | $6.00 | $0.50 | $3,881 | 66k | 47k | 198M | 54 | 0.85s | 0.85s | 10.12s | 911.49s | - | 500k | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| Claude Opus 5.5 (Adaptive Reasoning, Low Effort, Default Fallback) | Anthropic | 42 | 46 | 48 | 52 | - | 45 | 53 | $0.55 | $2.9 | $4.00 | $20.00 | $0.20 | $860 | 10k | 3k | 20M | 79 | 4.79s | 4.79s | 11.15s | 80.03s | - | 1M | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |