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Qwen

Qwen3.5 4B

Image input: the HF Qwen/Qwen3.5-4B config carries a vision encoder (262,144 native context, 2026-10-20).

FTI
10

4 sources, 1 independent of the vendor: centre 10.

how FTI is computed

#49 of 72 with an FTI score
Context256Ktokens
Imagesyesimage input
Free now1 of 1channels

Where it's free now 1 channel tracked

Free periods one bar per channel; markers are events

free so farpast announced endofficial end aheadinferred end aheadno end announcedended / not answering● event · ◆ end announced · tap one to see it

What happened newest first · times link to the source

Tue, Oct 628 days ago
listedQwen2.5 7B Instruct · SiliconFlowlisted Qwen3 8B · SiliconFlowlisted Qwen3.5 4B · SiliconFlowlisted GLM-4 9B 0414 · SiliconFlowlisted GLM-Z1 9B 0414 · SiliconFlowlisted Xing 4.0 29B · SiliconFlowlisted DeepSeek R1 0528 Qwen3 8B · SiliconFlowlisted
Listed at $0 in SiliconFlow's own catalogue (standing free tier); not called by us yet
Source: SiliconFlow pricing / models
Fri, Sep 11
became availableQwen3.5 4B · SiliconFlowlisted
Mentioned as free on SiliconFlow on X (earliest mention found): Qwen3.5 4B
Source: X post by @wanghejun114387

Channel details

SiliconFlow listed✓ humans✓ agents

Tested by us
not measured
Model ID
Qwen/Qwen3.5-4B
To start
$0 · account SiliconFlow account; real-name verification is mandatory to use the platform at all (since 2026-05-15 unverified accounts are blocked)
Use it
API · 2 formats
Free condition
SiliconFlow account + real-name verification (mandatory since 2026-05-15: unverified accounts cannot use the platform); free models at price 0 within fixed rate limits
Limit (stated)
published
ⓘfixed rate limits; spending doesn't raise them
Started
Sep 11
End
no end announced free since Sep 11
Data policy
no retention
Channel type
router
Checked
Oct 31 · catalogue