Claude Opus 5 vs Claude Sonnet 5: Release Comparison
Comparison of the Claude Opus 5 and Claude Sonnet 5 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 Opus 5 scores highest: Claude Opus 5 (Adaptive Reasoning, Max Effort) at 51, against Claude Sonnet 5 (Adaptive Reasoning, Max Effort) at 38 for Claude Sonnet 5.
- For output speed, Claude Sonnet 5 is fastest: Claude Sonnet 5 (Adaptive Reasoning, Max Effort) at 74 t/s, against Claude Opus 5 (Adaptive Reasoning, Xhigh Effort) at 52 t/s for Claude Opus 5.
- For cost per task, Claude Sonnet 5 is cheapest: Claude Sonnet 5 (Adaptive Reasoning, Low Effort) at $0.51, against Claude Opus 5 (Adaptive Reasoning, Low Effort) at $1.10 for Claude Opus 5.
Releases compared
Intelligence
Artificial Analysis Intelligence Index
Intelligence Index vs. Cost per Intelligence Index Task
Cost
Cost per Intelligence Index Task
Speed & Latency
Output Speed
Capability Scores
Capability Indices
Incorporates 7 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, Humanity's Last Exam, AutomationBench-AA, AA-LCR v1.1, GDP.pdf · Higher is better
Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, AutomationBench-AA, AA-LCR v1.1, GDP.pdf · Higher is better
Incorporates 7 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, Humanity's Last Exam, AA-LCR v1.1, GDP.pdf, AutomationBench-AA · Higher is better
Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, MLCR-AA, Humanity's Last Exam, AutomationBench-AA · Higher is better
Incorporates 6 evaluations: AA-Omniscience, Humanity's Last Exam, CritPt, GDPval-AA v2, AA-Briefcase, Terminal-Bench v4.0 · Higher is better
Incorporates 5 evaluations: AA-Omniscience, Humanity's Last Exam, GDPval-AA v2, AA-Briefcase, AA-LCR v1.1 · Higher is better
Further details
Weights | Provider Benchmarks | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Claude Opus 5 (Adaptive Reasoning, Max Effort) |  Anthropic | 51 | - | 1M | $3.9 | 51 | Not available |   | |
| Claude Opus 5 (Adaptive Reasoning, Xhigh Effort) | Anthropic | 50 | - | 1M | $3.9 | 52 | Not available | | |
| Claude Opus 5 (Adaptive Reasoning, High Effort) | Anthropic | 48 | - | 1M | $3.9 | 50 | Not available | | |
| Claude Opus 5 (Adaptive Reasoning, Medium Effort) | Anthropic | 45 | - | 1M | $3.9 | 49 | Not available | | |
| Claude Opus 5 (Adaptive Reasoning, Low Effort) | Anthropic | 40 | - | 1M | $3.9 | 49 | Not available | | |
| Claude Sonnet 5 (Adaptive Reasoning, Max Effort) | Anthropic | 38 | - | 1M | $1.5 | 74 | Not available |  | |
| Claude Sonnet 5 (Adaptive Reasoning, Xhigh Effort) | Anthropic | 35 | - | 1M | $1.5 | 68 | Not available | | |
| Claude Sonnet 5 (Adaptive Reasoning, High Effort) | Anthropic | 32 | - | 1M | $1.5 | 58 | Not available | | |
| Claude Sonnet 5 (Non-reasoning, High Effort) | Anthropic | 29 | - | 1M | $1.5 | 57 | Not available | | |
| Claude Sonnet 5 (Adaptive Reasoning, Medium Effort) | Anthropic | 28 | - | 1M | $1.5 | 58 | Not available | | |
| Claude Sonnet 5 (Adaptive Reasoning, Low Effort) | Anthropic | 25 | - | 1M | $1.5 | 56 | Not available | |