Qwen3.5 4B vs gpt-oss-20b: Release Comparison
Comparison of the Qwen3.5 4B and gpt-oss-20b releases: 2 and 2 models respectively, each with different intelligence, performance, and pricing characteristics. Below is a comparison of the key metrics across all 4 models.
- For intelligence, Qwen3.5 4B scores highest: Qwen3.5 4B (Reasoning) at 13, against gpt-oss-20b (low) at 10 for gpt-oss-20b.
- For output speed, gpt-oss-20b is fastest: gpt-oss-20b (low) at 266 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 | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Qwen3.5 4B (Reasoning) |  Alibaba | 13 | - | - | - | - | - | - | - | $0.0 | $0.03 | $0.15 | - | - | - | - | - | 20 | 0.73s | 99.06s | 123.64s | - | 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 | - | - | - | - | - | 17 | 0.78s | 0.78s | 30.35s | - | 4.7B | 262k | Mar 2026 | - | No | Supports: text, image, and video | Supports: text | | |||
| gpt-oss-20b (low) |  OpenAI | 10 | - | - | - | - | - | - | - | $0.1 | $0.07 | $0.20 | - | - | - | - | - | 266 | 0.85s | 8.38s | 10.26s | - | 21B 3.6B active at inference time | 131k | Aug 2025 | May 2025 | Yes | Supports: text | Supports: text |    +5 | |||
| gpt-oss-20b (high) | OpenAI | 9 | 7 | 5 | 7 | 7 | 12 | 11 | $0.01 | $0.1 | $0.06 | $0.19 | - | $29 | 18k | 16k | 70M | 222 | 0.76s | 9.79s | 12.04s | 76.54s | 21B 3.6B active at inference time | 131k | Aug 2025 | May 2024 | Yes | Supports: text | Supports: text |   +6 | |||