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Model intelligence profile

Qwen3.5 Plus 2026-02-15 benchmark results and model details

This family profile brings together 2 published benchmark records for Alibaba Qwen3.5 Plus 2026-02-15. Every result keeps its original benchmark, configuration, scale, and source; unrelated scores are never averaged.

Published benchmark evidence available · Business Skills V3 not yet authorized

Provider

Alibaba

Base model family

Release date

Not yet verified

Exact-family source only

Published benchmarks

2

Native scales kept separate

Artificial Analysis

No exact match

As of 2026-07-16

Benchmark-level evidence

Published Qwen3.5 Plus 2026-02-15 benchmark results

These are individual benchmarks, not collection rollups. Scores remain on their original scales, and agent or harness results stay labelled as system configurations.

How sources are reviewed →

Spring Prompt benchmark

PredictTheWeek pilot

12.5%

Mean prediction score

Can LLMs anticipate next week’s Guardian agenda from last week’s coverage?

This benchmark is not on a weekly live cadence yet. The table and charts reflect a single multi-model comparison on one forecast window—a pilot snapshot, not an updating leaderboard. The evaluation setup (clustering, prompts, automated judge, and scoring checks) is still being refined; reported scores and details may change as we improve the pipeline.

1 published configuration

Qwen3.5 Plus

12.5%

Accuracy (partial support or better)
20.0%
Outcome-line coverage
4.2%
Pilot composite
9.7%
Source: Spring Prompt Recorded 2 Apr 2026 16–22 Mar 2026 → 23–29 Mar 2026 Source record →

Spring Prompt benchmark

ROASBench

26.07

Average ROASBench score

A 12-month performance-marketing simulation scored on business outcomes, planning, behavior, and persona fit.

1 published configuration

Qwen: Qwen3.5 Plus 2026-02-15

26.07

Average contribution profit
$-29,480
Average ROAS
1.34×
Completed runs
3
Score variability
±0.63
Source: Spring Prompt Recorded 25 Jul 2026 Published ROASBench cache · 12-month simulation Source record →

Independent operational reference

Artificial Analysis details

No exact, reviewed Artificial Analysis operational record is attached to this family. We do not inherit price, release, or throughput values from a nearby model name.

Early-user signal

Initial community opinions

Anecdotal · never scored

No editor-reviewed community-opinions paragraph is active for this model. An active paragraph requires at least two retained Reddit discussions from the minimum 14-day launch window—implemented exactly as release date through day 14, end-exclusive—plus paraphrase-only review and a sealed publication artifact. Community reports stay separate from every benchmark score and model comparison.

Independent early-test signal

Early technical field tests

X · anecdotal · never scored

An editorial paraphrase of 2 launch-window field tests from 2 independent authors on X, including 2 reports with a described method or inspectable artifact. The window runs from 16 Feb 2026 up to 2 Mar 2026, and exact model identity was editor reviewed.

Early Qwen3.5 Plus reports diverged by workflow. One builder used it through a coding plan to extend an open-source, multi-speaker text-to-speech project and shared the resulting repository and video. Another intensive user found both the native CLI and an OpenCode configuration materially weaker at understanding and tool use than a Claude Code baseline. The launch-window evidence points to practical build capability with uneven agent reliability across harnesses.

These reports are selectively surfaced and are not a representative sample. They never affect benchmark scores, rankings, winners, or comparison outcomes.

Business Skills V3 · proposed

How Spring Prompt plans to test Qwen3.5 Plus 2026-02-15

The setup below is proposed and may change until preflight and execution approval are complete. Existing benchmark evidence above does not authorize or stand in for a Business Skills V3 result.

Proposed reasoning
Provider-default reasoning
Provider revision
Exact provider revision will be resolved and frozen only after preflight and execution approval
Tools and service
No tools · Provider-default service tier
Planning configuration
qwen3.5-plus-02-15
Generation controls
Temperature 0 proposed

Future first-party coverage

15 proposed Business Skills V3 task areas

These links describe evaluation contracts, not published Qwen3.5 Plus 2026-02-15 results.

Model comparisons

Compare Qwen3.5 Plus 2026-02-15 side by side

Editorially reviewed comparisons appear first. Every page matches only benchmark records with the same reviewed protocol key and does not manufacture an overall winner.

Publication safeguards

What must pass before a V3 result appears

  1. 1First-party task-local comparisons and eligible external evidence must both be present.
  2. 2Model and provider configuration identity must match the reviewed release exactly.
  3. 3Coverage, reliability, judge diagnostics, and sealed stability checks must pass.
  4. 4Uncertainty and missing evidence remain visible when results are published.

Stable family URL

Evidence can grow without changing the page

New reviewed benchmark snapshots, operational facts, community themes, and early field-test syntheses can be added here while the canonical model-family identity remains fixed.

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