MODEL PROOF
Qwen3.5 Plus 2026-04-20
NOT INDEPENDENTLY RATED
No independent LMArena score is published for this model.
Base context tier shown; inspect the complete context ladder below.
- Independent LMArena score
- Not independently rated
- Context window
- 1M
- Maximum output
- 65.54K
- Input modalities
- text, image, video
- Output modalities
- text
- Published input price
- $0.300 / 1M tokens
- Published output price
- $1.80 / 1M tokens
- Pricing kind
- fixed
- Context tiers
- Tiered by context
Inspect complete billing conditions and endpoint terms below.
Price from Alibaba: the cheapest offer that is serving, at standard delivery and at the maker’s precision or better, at its standard rate.
Every price dimension · USD per million tokens
| Input | $0.300/M |
|---|---|
| Output | $1.80/M |
| Cached input | Unknown/M |
| Cache write | $0.375/M |
| Cache write 1h | Unknown/M |
| Reasoning | Unknown/M |
The headline rate does not apply to a long-context workload.
Complete context ladder · 1 tier
| More than 256,000 tokens | $0.375/M in (1.25×) $2.25/M out Unknown/M cached input $0.469/M cache write |
|---|
Who sells it
The same weights, different shops. Cheapest is not like-for-like when serving precision differs.
1 provider offers · rates, limits and conditions
Rates are USD per million tokens. Endpoint terms can differ even when the quoted price and precision match. A listed parameter is a provider declaration, not a task-success test.
| Seller | Input | Output | Precision | Uptime (1d) |
|---|---|---|---|---|
| Alibabaalibaba Endpoint terms
| $0.300 | $1.80 | undeclared | 99.87% |
Independent scores
No independent benchmark has measured this model. Unrated is not a score of zero.
Capability
| Context window | 1M |
|---|---|
| Max output | 65K |
| Input modes | text, image, video |
| Tool use | yes |
| Reasoning | optional |
| Open weights | Unknown |
Provenance
| Price source | openrouter.ai |
|---|---|
| Fetched | 2026-10-06 |
| Quality data | unrated |
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...
Questions this page answers
What does Qwen3.5 Plus 2026-04-20 cost?
$0.300/M in, $1.80/M out in this catalogue, as of the fetch date on this page. That is the API row, not a subscription.
Does Qwen3.5 Plus 2026-04-20 have an independent quality score?
Qwen3.5 Plus 2026-04-20 has no independent quality score in this catalogue. Unrated is not a score of zero.
What beats Qwen3.5 Plus 2026-04-20?
Qwen3.5 Plus 2026-04-20 has no independent quality score. Unrated is not a score of zero.
Does this page use Artificial Analysis scores for Qwen3.5 Plus 2026-04-20?
No. Artificial Analysis figures are not published here. Quality on this page is LMArena Elo where a score exists; otherwise the row is unrated.
Does a missing score mean Qwen3.5 Plus 2026-04-20 scored zero?
Unrated is not a score of zero.
MODEL MONUMENT
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The verdict as one SVG, for a README or a docs page. It states this model's dominance status at the balanced workload on the LMArena lens, with the date it was computed, and it is rebuilt with the catalogue — so it changes when the verdict changes, including to one you would rather it did not.
[](https://undominated.ai/models/qwen__qwen3.5-plus-20260420/)<a href="https://undominated.ai/models/qwen__qwen3.5-plus-20260420/"><img src="https://undominated.ai/badge/qwen__qwen3.5-plus-20260420.svg" alt="Qwen3.5 Plus 2026-04-20 — Undominated.ai dominance verdict" height="36"></a>Direct file: https://undominated.ai/badge/qwen__qwen3.5-plus-20260420.svg — a static SVG, written by scripts/build-badges.mjs on every build, so the copy you embed is never
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