by Alibaba (Qwen Team)

Qwen: Qwen3.5 Plus 2026-04-20.

multimodal open weights datacenter 235B params 1M ctx
Cheapest input
$0.3/M
on Alibaba DashScope
Cheapest output
$1.8/M
on Alibaba DashScope
Fastest
55 tok/s
on OpenRouter
Smallest GPU
1× AMD MI300

Qwen3.5 Plus (April 2026) is a large-scale multimodal language model from Alibaba. It accepts text, image, and video input and produces text output, with a 1M token context window. This...

Smallest GPU to run it See all quantisations →

1× AMD MI300.

Most-aggressive quantisation we have a working recommendation for. Lower precision = less VRAM = cheaper hardware, at a small accuracy cost.

Where to use it

Cheapest hosted endpoints.

Provider Access $/M in $/M out
Alibaba DashScope api direct $0.3 $1.8 Launch ↗
OpenRouter api aggregator $0.3 $1.8 Launch ↗
Performance

Speed across providers.

Tokens/sec and time-to-first-token measured against the same prompt template on each provider's API.

Provider Tokens/sec TTFT Total
OpenRouter 54.6 35689 ms 37671 ms
FAQ

Frequently asked.

How do I run Qwen: Qwen3.5 Plus 2026-04-20?
Qwen: Qwen3.5 Plus 2026-04-20 is open-weight, so you can self-host on rented GPUs. See the Run It Yourself tab for GPU configurations + cost estimates, or use one of the hosted inference providers listed on this page.
Where can I access Qwen: Qwen3.5 Plus 2026-04-20?
Qwen: Qwen3.5 Plus 2026-04-20 is available via Alibaba DashScope, OpenRouter. Each access option lists its own pricing (per million tokens or hourly hosting).
How much does it cost to run Qwen: Qwen3.5 Plus 2026-04-20?
API pricing starts at $0.3/M input tokens and $1.8/M output tokens. Self-hosting cost depends on the GPU you rent — see the Run It Yourself tab.
Is Qwen: Qwen3.5 Plus 2026-04-20 open-source or proprietary?
Qwen: Qwen3.5 Plus 2026-04-20 is open-weight under the license. You can download and self-host it.