Claude Sonnet 5 vs Qwen3.5 4B: Release Comparison
Comparison of the Claude Sonnet 5 and Qwen3.5 4B releases: 6 and 2 models respectively, each with different intelligence, performance, and pricing characteristics. Below is a comparison of the key metrics across all 8 models.
- For intelligence, Claude Sonnet 5 scores highest: Claude Sonnet 5 (Adaptive Reasoning, Max Effort) at 38, against Qwen3.5 4B (Reasoning) at 13 for Qwen3.5 4B.
- For output speed, Claude Sonnet 5 is fastest: Claude Sonnet 5 (Adaptive Reasoning, Max Effort) at 84 t/s, against Qwen3.5 4B (Reasoning) at 20 t/s for Qwen3.5 4B.
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 4.0 · 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
Input modality | Output modality | Weights | Provider Benchmarks | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Claude Sonnet 5 (Adaptive Reasoning, Max Effort) |  Anthropic | 38 | 41 | 40 | 43 | 43 | 40 | 50 | $5.09 | $1.5 | $2.00 | $10.00 | $0.20 | $6,998 | 118k | 88k | 367M | 84 | 195.83s | 195.83s | 201.79s | 877.37s | - | 1M | Jun 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - |    | |
| Claude Sonnet 5 (Adaptive Reasoning, Xhigh Effort) | Anthropic | 35 | 38 | 37 | 39 | - | 36 | 46 | $2.87 | $1.5 | $2.00 | $10.00 | $0.20 | $3,255 | 65k | 44k | 135M | 62 | 22.30s | 22.30s | 30.37s | 672.64s | - | 1M | Jun 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| Claude Sonnet 5 (Adaptive Reasoning, High Effort) | Anthropic | 32 | 34 | 34 | 35 | - | 32 | 42 | $1.79 | $1.5 | $2.00 | $10.00 | $0.20 | $2,086 | 44k | 28k | 89M | 58 | 3.97s | 3.97s | 12.56s | 460.65s | - | 1M | Jun 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| Claude Sonnet 5 (Non-reasoning, High Effort) | Anthropic | 29 | - | - | - | - | - | - | - | $1.5 | $2.00 | $10.00 | $0.20 | - | - | - | - | 58 | 1.08s | 1.08s | 9.72s | - | - | 1M | Jun 2026 | - | No | Supports: text and image | Supports: text | Not available | - | | |
| Claude Sonnet 5 (Adaptive Reasoning, Medium Effort) | Anthropic | 28 | 31 | 31 | 32 | - | 29 | 38 | $1.00 | $1.5 | $2.00 | $10.00 | $0.20 | $1,218 | 27k | 15k | 51M | 57 | 1.66s | 1.66s | 10.50s | 285.97s | - | 1M | Jun 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| Claude Sonnet 5 (Adaptive Reasoning, Low Effort) | Anthropic | 25 | 27 | 27 | 29 | - | 26 | 34 | $0.51 | $1.5 | $2.00 | $10.00 | $0.20 | $653 | 15k | 7k | 25M | 56 | 1.25s | 1.25s | 10.21s | 161.65s | - | 1M | Jun 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| Qwen3.5 4B (Reasoning) |  Alibaba | 13 | - | - | - | - | - | - | - | $0.0 | $0.03 | $0.15 | - | - | - | - | - | 20 | 0.73s | 101.83s | 127.10s | - | 4.7B | 262k | Mar 2026 | - | Yes | Supports: text, image, and video | Supports: text |  | |||
| Qwen3.5 4B (Non-reasoning) | Alibaba | 11 | - | - | - | - | - | - | - | $0.0 | $0.03 | $0.15 | - | - | - | - | - | 16 | 0.78s | 0.78s | 32.39s | - | 4.7B | 262k | Mar 2026 | - | No | Supports: text, image, and video | Supports: text | | |||