Qwen3 1.7B (Reasoning) vs. Qwen3 4B (Reasoning)
Comparison between Qwen3 1.7B (Reasoning) and Qwen3 4B (Reasoning) across intelligence, price, speed, context window and more.
For details relating to our methodology, see our Methodology page.
| Intelligence | |||
|---|---|---|---|
| Intelligence Index | 5* | 7* | |
| Humanity's Last Exam | 5% | 4% | |
| CritPt | 0% | ||
| AA-Omniscience | −78 | ||
| AA-LCR v1.1 | 0% | 0% | |
| Cost | |||
| Token Use | |||
| Performance | |||
| Technical specifications | |||
| Context Window | 32k tokens~48 A4 pages of size 12 Arial font | 32k tokens~48 A4 pages of size 12 Arial font | |
| Release Date | April 2025 | April 2025 | |
| Total parameters | 2.0B | 4.0B | |
| Reasoning | Yes | Yes | |
| Input modality | Supports: text | Supports: text | |
| Output modality | Supports: text | Supports: text | |
| Open Source (Weights) | |||
| License | |||
| License Supports Commercial Use Without Restrictions | Yes | Yes | |
* Estimated
Speed
Intelligence
Artificial Analysis Intelligence Index
Artificial Analysis Intelligence Index by Open Weights / Proprietary
Intelligence Index vs. Cost per Task
Cost per Task (USD, Log Scale)
Evaluations
Agentic knowledge work, Elo
Knowledge
1 - hallucination rate
Agentic SaaS workflows
Agentic real-world work tasks, Elo
Reasoning & knowledge
Professional document reasoning, All-pass
Agentic coding & terminal use
Long context reasoning
Coding
Physics reasoning
Agentic scientific research workflows in a terminal
Agentic software engineering in open-source repositories
Quantitative analysis on spreadsheets & documents
Legal agentic work, Hallucination-Gated All-Pass Rate
Agentic business operations
Agentic interactive 3D experiences, Elo
Kubernetes incident root-cause analysis
Medical long context reasoning
Visual reasoning
Rich, varied, well-crafted language
Well-structured, scannable, answer-first
Truthful, acknowledges uncertainty, non-sycophantic
Use of filler and generic language
AA-Omniscience
AA-Omniscience Index
Openness Index
Artificial Analysis Openness Index: Score
Intelligence Index Comparisons
Intelligence Index vs. Cost per Task
Cost per Task (USD, Log Scale)
Cost
Cost per Intelligence Index Task
Cost to Run Artificial Analysis Intelligence Index
Pricing: Cache Hit, Input, and Output
Context Window
Context Window
Model Size (Open Weights Models Only)
Model Size: Total and Active Parameters
Frequently Asked Questions
Qwen3 4B (Reasoning) is more intelligent. Qwen3 4B (Reasoning) scores 7 (estimated), compared with Qwen3 1.7B (Reasoning) at 5 (estimated) on the Artificial Analysis Intelligence Index.
Both models have a context window of 32k tokens.