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Model comparison Synced Mar 29, 2026

Qwen: Qwen3 4B (free) vs Qwen: Qwen3.5-Flash

Side-by-side comparison of Qwen: Qwen3 4B (free) and Qwen: Qwen3.5-Flash. Compare pricing, context window, capabilities, and find out which is better for your workflow.

Verdict

strong confidence

Qwen: Qwen3.5-Flash leads overall

Qwen: Qwen3.5-Flash leads in context window and capabilities and max output, making it the stronger choice for most workflows. Qwen: Qwen3 4B (free) remains competitive with advantages in price.

Best for with Qwen: Qwen3 4B (free)

Budget-conscious workflows

Best for with Qwen: Qwen3.5-Flash

Long document processingMulti-modal tasksLong-form content generation

Side-by-side

Technical specifications

Qwen: Qwen3 4B (free) Qwen: Qwen3.5-Flash
Provider Qwen Qwen
Input price $0.00/M $0.07/M
Output price $0.00/M $0.26/M
Context window 41K 1.0M
Max output N/A 66K
Capabilities
Tool useReasoning
Tool useVisionReasoning
Released Apr 30, 2025 Feb 25, 2026
View Qwen: Qwen3 4B (free) profile View Qwen: Qwen3.5-Flash profile

Scoring breakdown

How each dimension compares

Price

Qwen: Qwen3 4B (free) leads

Qwen: Qwen3 4B (free)

$0.00/M tokens

Qwen: Qwen3.5-Flash

$0.26/M tokens

Context Window

Qwen: Qwen3.5-Flash leads

Qwen: Qwen3 4B (free)

41K tokens

Qwen: Qwen3.5-Flash

1.0M tokens

Capabilities

Qwen: Qwen3.5-Flash leads

Qwen: Qwen3 4B (free)

2/4

Qwen: Qwen3.5-Flash

3/4

Max Output

Qwen: Qwen3.5-Flash leads

Qwen: Qwen3 4B (free)

N/A

Qwen: Qwen3.5-Flash

66K tokens

Recency

Qwen: Qwen3 4B (free)

Apr 2025

Qwen: Qwen3.5-Flash

Feb 2026

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