Claude Sonnet 5 vs Gemini 3.5 Flash: Release Comparison
Comparison of the Claude Sonnet 5 and Gemini 3.5 Flash releases: 6 and 3 models respectively, each with different intelligence, performance, and pricing characteristics. Below is a comparison of the key metrics across all 9 models.
- For intelligence, Claude Sonnet 5 scores highest: Claude Sonnet 5 (Adaptive Reasoning, Max Effort) at 38, against Gemini 3.5 Flash (medium) at 34 for Gemini 3.5 Flash.
- For output speed, Gemini 3.5 Flash is fastest: Gemini 3.5 Flash (medium) at 217 t/s, against Claude Sonnet 5 (Adaptive Reasoning, Max Effort) at 75 t/s for Claude Sonnet 5.
- For cost per task, Claude Sonnet 5 is cheapest: Claude Sonnet 5 (Adaptive Reasoning, Low Effort) at $0.51, against Gemini 3.5 Flash (high) at $1.56 for Gemini 3.5 Flash.
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 Sonnet 5 (Adaptive Reasoning, Max Effort) |  Anthropic | 38 | - | 1M | $1.5 | 75 | Not available |    | |
| Claude Sonnet 5 (Adaptive Reasoning, Xhigh Effort) | Anthropic | 35 | - | 1M | $1.5 | 65 | Not available | | |
| Gemini 3.5 Flash (medium) | Google | 34 | - | 1M | $1.3 | 217 | Not available | | |
| Gemini 3.5 Flash (high) | Google | 33 | - | 1M | $1.3 | 210 | Not available | | |
| Claude Sonnet 5 (Adaptive Reasoning, High Effort) | Anthropic | 32 | - | 1M | $1.5 | 61 | Not available | | |
| Claude Sonnet 5 (Non-reasoning, High Effort) | Anthropic | 29 | - | 1M | $1.5 | 56 | 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 | | |
| Gemini 3.5 Flash (minimal) | Google | 24 | - | 1M | $1.3 | 199 | Not available | |