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Version 1.1.0
Qwen: Qwen3.5 Plus 2026-04-20 · Evaluations · Kaino
Qwen: Qwen3.5 Plus 2026-04-20 logo
model evaluation

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.

modellead-sourceopenrouter-modelssource:docs.qwencloud.comqwenalibabaqwen-cloudqwen3.5-plusmultimodallong-contextfunction-callingstructured-output
76.4KAINO SCORERecommended
Evaluated Aug 11, 20262 reviews
Website Docs

Scorecard

PricingMultimodalCostDev expTechnicalSpeedCodingReasoningRiskAdoption
  • 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