Qwen3.5 4B
Qwen3.5 4BRankingin thinking mode?
Alternatives?
CheaperGPT OSS 20BhighOpen-42%-40%$0.011Context: 262K → 131K+2
BetterMiMo v2.5thinkingOpen×2.3+192%$0.019Memory (4-bit): 2.3 GB → 186 GBOpenQwen 3.5 9Bthinking+33%+54%$0.21Memory (4-bit): 2.3 GB → 4.8 GB
CheaperGemma 4 E4BthinkingOpen-54%-33%$0.008Context: 262K → 128K+1
BetterMercury 2high+46%+525%$0.039Context: 262K → 128K+1GPT OSS 20BhighOpen-42%-40%$0.011Context: 262K → 131K+2Gemma 4 E4BthinkingOpen-54%-33%$0.008Context: 262K → 128K+1MiMo v2.5thinkingOpen×2.3+192%$0.019Memory (4-bit): 2.3 GB → 186 GBMercury 2high+46%+525%$0.039Context: 262K → 128K+1GPT-5 Minihigh+83%+1,046%$0.053MiMo v2.5 ProthinkingOpen×2.4+806%$0.054Memory (4-bit): 2.3 GB → 614 GB+1Gemini 3.1 Flash Litehigh+33%+838%$0.06Qwen 3.5 9BthinkingOpen+33%+54%$0.21Memory (4-bit): 2.3 GB → 4.8 GBGemma 4 12BthinkingOpensame+150%$0.10 / $0.30Context: 262K → 256K+1Gemma 4 E4BthinkingOpen-54%-33%$0.008Context: 262K → 128K+1
NVIDIA Nemotron 3 Nano 4BOpen-63%——No image input
Step3 VL 10BOpen-71%——Context: 262K → 66K+1Qwen3.7 Maxthinking×2.8—$1.15No image inputQwen3.7 Plusthinking×2.6—$0.22Qwen3.6 Max Previewthinking×2.4—$1.30 / $7.80No image input+1Qwen3.6 Plusthinking×2.4—$0.50 / $3Qwen3.5 397B A17BthinkingOpen×2.2—$0.47Memory (4-bit): 2.3 GB → 242 GBQwen3.6 27BthinkingOpen+92%—$0.62Memory (4-bit): 2.3 GB → 17 GBQwen3.6 35B A3BthinkingOpen+92%—$0.48Memory (4-bit): 2.3 GB → 22 GBQwen 3.5 27BthinkingOpen+79%—$0.30 / $2.40Memory (4-bit): 2.3 GB → 17 GBAll Alibaba (Qwen) models →Run it yourself
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3 versionsBenchmarks
all categoriesFAQ
How much does Qwen3.5 4B cost?›
$0.03 per 1M input tokens and $0.15 per 1M output tokens (cheapest host: DeepInfra).
Is Qwen3.5 4B free to use?›
There is no free API; the cheapest paid price is $0.03 per 1M input tokens. The weights are open, so you can run it yourself.
How good is Qwen3.5 4B, and what is it best at?›
#192 of 334 in Chat & Knowledge, #95 of 239 in Coding, #36 of 242 in Agents & Tool Use, #110 of 245 in Writing & Language, #79 of 124 in Vision & Documents. Strongest at: Tool calling.
Is Qwen3.5 4B better than Qwen3 4B 2507 Instruct?›
On Terminal-Bench Hard (version unstated), Qwen3.5 4B scores 18.2 vs 4.5 — higher.
How can I use Qwen3.5 4B?›
Through the API of DeepInfra, Featherless.
What is the context window of Qwen3.5 4B?›
262K tokens.
When was Qwen3.5 4B released? Is there a newer version?›
Released 2026-03-02. It is the current version in its line.
Is Qwen3.5 4B open source?›
Yes, the weights are open (Apache-2.0 licence).
Can I run Qwen3.5 4B locally?›
The weights are open and can be self-hosted; hardware needs are not confirmed yet.
Can Qwen3.5 4B read images?›
It accepts text and images as input.
What is Qwen3.5 4B?›
Qwen3.5 4B is an open-weights language model from Alibaba (Qwen), released Mar 2026, the successor to Qwen3 4B 2507 Instruct.
What are the best alternatives to Qwen3.5 4B?›
GPT OSS 20B (cheaper), MiMo v2.5 (better), Qwen 3.5 9B (open weights).