Inference
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Alibaba

Qwen3.5 Flash

Qwen3.5 Flash is a reasoning model from Alibaba. It has 7 scored results in 5 categories. It has no index.

  • Closed weights
  • Reasoning
  • Input: text
  • Released 2026-03
UnrankedEnough results for an index.
IndexAll categories, out of 100.UnrankedMedian 51.0
CoverageIndex weight that has results.75%
SpeedOutput tokens per second.—Median 67/s
First tokenSeconds to the first output token.—Median 1.3 s
Input / 1MUS dollars per 1M input tokens.$0.10Median $0.60
Output / 1MUS dollars per 1M output tokens.$0.40Median $2.55
ContextMaximum tokens in one request.1MMedian 262K
EloLMArena rating and rank.1397±4 #161Median 1422

Capabilities

Index per category, out of 100.
Out of 100
AgenticMulti-step tasks with tools.1 counted41.4—
CodingCode writing and repair.2 counted53.6—
ReasoningLogic problems and puzzles.None counted——
MultimodalTasks with images and text.1 counted61.7—
KnowledgeFacts and expert knowledge.2 counted51.8—
MultilingualTasks in many languages.None counted——
InstructionTasks with strict prompt rules.None counted——
MathMath problems.1 counted55.9—

Results

7 counted
BenchmarkThe benchmark name.ResultThe score from the source.PlacePlace among results on this benchmark.
AIMEMath92.5% ±0.919 / 95
LiveCodeBenchCoding83.3% ±1.048 / 142
MMMU ProMultimodal81.9% ±0.938 / 92
GPQA Diamond · Vals AIKnowledge82.8% ±1.958 / 135
MMLU ProKnowledge84.1% ±0.466 / 135
Terminal-Bench 2.0 · Vals AIAgentic24.7% ±4.652 / 66
SWE-benchCoding64.4% ±2.173 / 87
LegalBenchLegal84.3% ±0.435 / 149
MortgageTaxFinance67.4% ±0.925 / 97
CorpFin v2Finance63.6% ±0.943 / 131
TaxEval v2Finance72.2% ±0.967 / 143
CaseLaw v2Legal55.9% ±1.231 / 53
SAGEEducation84.9% ±1.819 / 29
Finance Agent v1.1Finance45.6% ±2.837 / 51
MedCodeHealthcare33.0% ±1.885 / 106
MedScribeHealthcare70.6% ±2.194 / 109

Sources

BenchLMCC BY-NC 4.0Vals AINo licence stated

History

5 releases
Output / 1M$0.40 → $0.40
23 Oct 202612 Nov 2026

Questions

How much does Qwen3.5 Flash cost?
$0.10 per 1M input tokens, $0.40 per 1M output tokens.
What is the context window of Qwen3.5 Flash?
1M tokens.
Is Qwen3.5 Flash open source?
No. Its weights are not published.
When was Qwen3.5 Flash released?
March 2026.

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