Qwen: Qwen3.5 Plus 2026-04-20
Qwen / Alibaba
Qwen3.5 Plus 2026-04-20 is a Qwen Cloud Qwen3.5-Plus snapshot from Alibaba with a 1M-token context window, multimodal input support, and text output.
Scorecard
- Technical capability100
- Developer experience88
- Coding & agentic84
- Speed & availability75
- Pricing clarity74
- Risk & evidence72
- Cost effectiveness69
- Multimodal & I/O68
- Reasoning & knowledge62
- Adoption signal38
Kainotomic evaluation
Qwen: Qwen3.5 Plus 2026-04-20 is a model from Qwen / Alibaba. This standardized model-evaluation pass uses the stored catalog profile as evidence: Qwen3.5 Plus 2026-04-20 is a Qwen Cloud Qwen3.5-Plus snapshot from Alibaba with a 1M-token context window, multimodal input support, and text output.
The strongest available signals are catalog use-case guidance, 7 stated capabilities, 2 public technical links, pricing notes in the catalog row, 1 evidence family with sources. The current weighted score is 76.4/100, led by technical capability at 100/100, coding and agentic work at 84/100, and developer experience at 88/100.
The main caveats are some evidence searches failed and are recorded as warnings. Treat this pending evaluation as a Kainotomic expert draft that synthesizes available public evidence rather than a claim that we ran every benchmark ourselves.
Strengths
- Has explicit when-to-use guidance.
- Provides documentation link.
- Provides website link.
- Includes pricing notes.
Caveats
- official_provider_docs: Grounded web search failed with HTTP 401
- deepswe_datacurve: Grounded web search failed with HTTP 401
- swe_bench: Grounded web search failed with HTTP 429
- livecodebench: Grounded web search failed with HTTP 429
- artificial_analysis: Grounded web search failed with HTTP 429
- terminal_bench_aider: Grounded web search failed with HTTP 429
- lmarena_arena_hard: Grounded web search failed with HTTP 429