Qwen3.5 Plus 2026-04-20
Qwen · released Apr 27, 2026
- Type
- Proprietary
- Input
- None held
- Output
- None held
- Cached
- None held
We don't hold a list price for this model yet · hosted only — we hold no downloadable copy
Our take
Written Aug 3, 2026Qwen 3.5 Plus is a hosted-only multimodal model from Alibaba that accepts text, images and video across a one-million-token request limit. It is built for long-document and video analysis where extended reach matters more than measured quality scores.
Pick this for long-context multimodal work — full books, codebases or extended video — where the million-token limit is decisive. Use it if you want predictable costs, since every provider charges the same rate. Skip it if you need verified quality data, want to self-host, or are price-sensitive on output without benchmark justification.
The case for it
- One-million-token request limit, among the largest we catalogue, supports very long documents and video sequences.
- Identical pricing across all three providers removes cost-comparison overhead.
The case against it
- No measured quality scores in our data: no Elo, reasoning, coding or other benchmark scores are published.
- Proprietary weights with undisclosed size; you cannot self-host or inspect the architecture.
- Premium output rate with no benchmark evidence to justify the cost.
How good is it?
We hold no score for this model.
We look for every model we track on every board we watch, and none of them has turned up Qwen3.5 Plus 2026-04-20 — so there is no intelligence, coding, agentic or writing score to show you, not a low one, none.
Or rent it from someone else
Cheapest of 3 live listings. Picked at the widest standard context we hold, within one quantisation slice, so the numbers beside it are a price one host actually charges.
- per 1M tokens
- $0.30 in / $1.80 out
- Context served
- 1M
- Throughput
- Not measured
| Provider | In / out per 1M tokens | Context | Throughput | Trains on prompts | Logs prompts | Zero retention |
|---|---|---|---|---|---|---|
| OpenRouter | $0.30 / $1.80 | 1M | not measured | Unknown | Unknown | Unknown |
| Alibaba Cloudfp8 | $0.30 / $1.80 | 1M | 46 tok/s | No | Yesunknown period | Unknown |
| Alibaba Cloud | $0.30 / $1.80 | 1M | 54 tok/s | No | Yesunknown period | Unknown |
Across the 3 listings we hold: 2 say they do not train on prompts, 0 say they do and 1 do not say. 0 appear in the zero-retention registry we check; the rest are unknown to us rather than confirmed either way.
What each host's API supports
From the parameter list each endpoint publishes. Streaming is omitted: nothing we hold reports it, for any model.
- ✓
- Supported
- ✗
- Not supported
- Not published
- host gave no parameter list
| Provider | Tool calling | JSON output | Strict schema |
|---|---|---|---|
| OpenRouter | ✓ | ✓ | ✓ |
| Alibaba Cloudfp8 | ✓ | ✓ | ✓ |
| Alibaba Cloud | ✓ | ✓ | ✓ |
Tool calling: 3 of 3 listings say yes. JSON output: 3 of 3 listings say yes. Strict schema: 3 of 3 listings say yes.
Models people weigh against Qwen3.5 Plus 2026-04-20
When we formed this view
Dates behind this page
Prices last checked 9d ago
What we do not know about this model yet
- No board we watch has turned up a score, 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 3 listings do not say whether they train 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.
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
Commercial API terms. We hold no licence record for this model, so there is nothing to summarise here.
Identifiers
- Modality record
- text+image+video->text
- Catalogue slug
- qwen-qwen3-5-plus-2026-04-20