Qwen3.5 Plus 2026-04-20
Qwen · released Apr 27, 2026
- Type
- Closed
- Input
- None held
- Output
- None held
- Cached
- None held
We don't hold a list price for this model yet · hosted only — we have no record of published weights
Our take
Written Sep 2, 2026Qwen3.5 Plus is Alibaba's proprietary flagship that accepts text, images and video across a one-million-token request limit. It is a multimodal workhorse for long documents, though no quality scores have been published to back performance claims.
Pick this for long-document workflows that need the full million-token span, or for multimodal inputs mixing text, images and video. Use it if you are already embedded in the Alibaba ecosystem. Skip it if you need verified quality data, an open-weight fallback, or price competition between providers.
The case for it
- One-million-token request limit among the largest we track on any model.
- Multimodal inputs covering text, images and video in a single model.
The case against it
- No benchmark scores on file — chat, reasoning, coding and multimodal boards are all unverified in our data.
- Proprietary weights with no disclosed licence and no open-weight fallback.
- Parameter count undisclosed, so total and active size are both unknown.
How good is it?
We hold no score for this model.
So there is no figure here for everyday use, coding, agent work or writing. That is a gap in our data, not a low score.
Where to rent it
Prices checked 4 hours ago — each listing carries its own date.
- per 1M tokens
- $0.30 in / $1.80 out
- Context served
- 1M
- Throughput
- ~47 tok/s
| Provider | In / out per 1M tokens | Context | Throughput | Trains on prompts | Logs prompts | Zero retention |
|---|---|---|---|---|---|---|
| OpenRouterOpenRouter's own listing | $0.30 / $1.80checked 4 hours ago | 1M | not measured | Unknown | Unknown | Unknown |
| Alibaba CloudThrough OpenRouter | $0.30 / $1.80checked 4 hours ago | 1M66K max reply | 47 tok/s | No | Yesunknown period | Unknown |
OpenRouterAcross the 2 listings we hold: 1 says it does not train on prompts, 0 say they do and 1 does not say. 0 appear in the zero-retention registry we check; the rest are unknown to us.
What each host's API supports
From the parameter list each endpoint publishes. Streaming is omitted: nothing we hold reports it, for any model.
| Provider | Tool calling | JSON output | Strict schema |
|---|---|---|---|
| OpenRouterOpenRouter's own listing | ✓ | ✓ | ✓ |
| Alibaba CloudThrough OpenRouter | ✓ | ✓ | ✓ |
Tool calling: 2 of 2 listings say yes. JSON output: 2 of 2 listings say yes. Strict schema: 2 of 2 listings say yes.
Models people weigh against Qwen3.5 Plus 2026-04-20
When we formed this view
Recent changes
What moved
first indexed by our pipelineEach date is the day we first saw the change, or the day the maker announced it.
What we do not know about this model yet
- No independent board has scored it, so we hold no quality figures at all.
- Nothing we hold says whether an endpoint streams, so we do not show it either way.
- 1 of 2 listings does not say whether it trains on prompts.
- We don't hold a list price for this model yet — the gap is ours, not the lab's.
- We hold no cached-input rate for any of its listings.
- We hold no batch or off-peak rate for any of its listings.
Licence and identifiers
What the licence allowsWe hold no licence record for this model. Inside are the identifiers you need to pull it — its Hugging Face repo where we have one, our slug and a machine-readable card.
Licence
We hold no licence record for this model, and no record of published weights either — so we can neither summarise its terms nor point you at the weights.
Identifiers
- Takes in, gives back
- Text, images and video in, text out
- Catalogue slug
- qwen-qwen3-5-plus-2026-04-20