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Qwen3 VL 4B Thinking

Multimodal
Alibaba

Qwen3 VL 4B Thinking is the reasoning variant of the compact Qwen3 VL 4B vision-language model, released in September 2025. It applies extended chain-of-thought to multimodal understanding tasks, scoring 0.94 on DocVQA and 0.87 on MMBench-V1.1. It is Apache 2.0 licensed and open-weight.

Key Specifications

Parameters
4.0B
Context
262.1K
Release Date
September 22, 2025
Average Score
91.3%

Timeline

Key dates in the model's history
Announcement
September 22, 2025
Last Update
August 27, 2026

Technical Specifications

Parameters
4.0B
Training Tokens
-
Knowledge Cutoff
-
Family
-
Capabilities
MultimodalZeroEval

Pricing & Availability

Input (per 1M tokens)
$0.10
Output (per 1M tokens)
$1.00
Max Input Tokens
262.1K
Max Output Tokens
262.1K
Supported Features
Function CallingStructured OutputCode ExecutionWeb SearchBatch InferenceFine-tuning

Benchmark Results

Model performance metrics across various tests and benchmarks

Other Tests

Specialized benchmarks
DocVQA
Self-reported by the model providerSelf-reported
94.0%
ScreenSpot
Self-reported by the model providerSelf-reported
93.0%
MMBench-V1.1
en, V1.1Self-reported
87.0%

License & Metadata

License
apache-2.0
Announcement Date
September 22, 2025
Last Updated
August 27, 2026

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