Saturday, July 11, 2026 · No. 349Prices synced 3 hours ago
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The AI Model Price Index

Qwen3.5 4B

by EmpirioLabs AI · listed Mar 2026RTVW

Qwen3.5 4B is a low-cost multimodal reasoning model with 256K context, image and video input, function tools, and structured output.

Current rates USD per 1M tokens

Input$0.04
Output$0.07
Cache read$0.02
Cache write—

Against the market

Input price vs. maker flagships ($/1M tokens)
Qwen3.5 4BQwen3.5 4B: $0.04 per 1M tokens$0.04DeepSeek V4 FlashDeepSeek V4 Flash: $0.14 per 1M tokens$0.14Qwen3.7 PlusQwen3.7 Plus: $0.50 per 1M tokens$0.50Gemini 3.5 FlashGemini 3.5 Flash: $1.50 per 1M tokens$1.50Mistral Medium (latest)Mistral Medium (latest): $1.50 per 1M tokens$1.50Claude Sonnet 5Claude Sonnet 5: $2.00 per 1M tokens$2.00Grok 4.5Grok 4.5: $2.00 per 1M tokens$2.00GPT-5.6GPT-5.6: $5.00 per 1M tokens$5.00
Output price vs. maker flagships ($/1M tokens)
Qwen3.5 4BQwen3.5 4B: $0.07 per 1M tokens$0.07DeepSeek V4 FlashDeepSeek V4 Flash: $0.28 per 1M tokens$0.28Qwen3.7 PlusQwen3.7 Plus: $3.00 per 1M tokens$3.00Grok 4.5Grok 4.5: $6.00 per 1M tokens$6.00Mistral Medium (latest)Mistral Medium (latest): $7.50 per 1M tokens$7.50Gemini 3.5 FlashGemini 3.5 Flash: $9.00 per 1M tokens$9.00Claude Sonnet 5Claude Sonnet 5: $10.00 per 1M tokens$10.00GPT-5.6GPT-5.6: $30.00 per 1M tokens$30.00

On the record

Model id
qwen3-5-4b
Context window
262K tokens
Max output
33K tokens
Input modalities
text, image, video
Output modalities
text
Reasoning
yes
Tool calls
yes
Open weights
yes
Knowledge cutoff
—
Released
2026-03-02
Last updated
2026-03-02
Provider docs
docs.empiriolabs.ai

Back of the envelope

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