Qwen3.5 Plus 2026-04-20
QwenReleased Feb 16, 2026qwen3.5-plus
- Intelligence (Epoch)
- 146 · 54th of 111
- Reasoning
- yes
- Knowledge cutoff
- September 2025
- Context
- 1M tokens
- Max output
- 64k tokens
- Input
- text, image
- API features
- tools, structured outputs, JSON mode, seed, logprobs
Read Oct 23, 06:00 UTC from the hosts' published offers and OpenRouter, spec sheet from Qwen · cutoff: aiknowledgecutoff.com
Intelligence for the price
17 models score higher for the same price or less; it ranks 18 of the 67 models at its price or below.
Epoch Capabilities Index against the lowest input + output price per M, log scale · prices Oct 23. Score: Epoch AI, CC BY 4.0, 146 with an interval of 143 to 148.
Against its rivals
The best of its price range and the top score
- Qwen3.5 Plus 2026-04-20this model$2.80146
- Claude Opus 5.5top score$24.00169
- Gemini 3.7 Flashsame price range$4.50158
- Gemini 3.8 Flashsame price range$4.50157
Same level for 18× less: Qwen3.7 Flash at Alibaba, $0.16 per M input + output · their Epoch intervals overlap (144 against 146).
Bars: Epoch Capabilities Index (Epoch AI, CC BY 4.0), drawn from 100, below the lowest score in the catalogue · price: lowest input + output per M.
| Provider | Input | Output | Cache ↑ | tok/s | First token | Uptime 24h | Checked |
|---|---|---|---|---|---|---|---|
| Alibaba | $0.40 | $2.40 | — | 45 | 1.25 s | 100% | Oct 23 |
1 provider · prices per million tokens, read Oct 23, 06:00 UTC · speed: OpenRouter, median of the last 30 min, read Oct 23, 06:00 UTC · uptime: OpenRouter, last 24 h
| Provider | Weights | Context | Max output | Tools | Structured outputs | Reasoning |
|---|---|---|---|---|---|---|
| Alibaba | — | 1M | 64K | yes | yes | yes |
As served by each host and declared to OpenRouter; not verified by us · weights: the precision the host declares
Qwen3.5 Plus 2026-04-20 spec sheet, field by field, with sources
Qwen3.5 Plus 2026-04-20 spec sheetmaker-declared
What the maker declares about the model itself — read from its own weights repository and documentation, not from any host. What each endpoint actually serves is in the pricing above: the two can differ, and both are true.
- Context window
- to verify
- Parameters
- to verify
- Active experts
- to verify
- Weight precision
- to verify
- License
- to verifyScope: the licence on the published weights, and nothing else. It is not the maker's acceptable-use policy, which is a separate document, and it is not the contract you sign with whichever host you call — hosts set their own terms, which this index does not read.
- Knowledge cutoff
- not published by the maker≈ September 2025 third-party estimate — not the maker's figure
- Modalities
- to verify
- Max output (official)
- to verify
- Release date
- to verify≈ February 16, 2026 third-party catalogue — not the maker's figure
- Maker lifecycle status
- to verify
aiknowledgecutoff.com · maker's documentation · 0 of 10 fields published by the maker
| Provider | Chatbot 1,000 in / 500 out | RAG / long context 8,000 in / 500 out | Batch summarize 4,000 in / 1,000 out |
|---|---|---|---|
| Alibaba | $1.60 | $4.40 | $4.00 |
What each host bills for 1,000 requests of a representative job
Your own workload
Other Qwen models · all its models, hosts and history ›
- Qwen3.8 27B16 providers · from $1.29
- Qwen3.6 35B A3B12 providers · from $1.00
- Qwen3 235B A22B Instruct 250710 providers · from $0.44
- Qwen3.5 397B A17B10 providers · from $3.45
- Qwen3.6 27B9 providers · from $2.25
- Qwen3.5-35B-A3B8 providers · from $1.14