Noometry

Model comparison

Qwen3.5 35B-A3B vs Step 3.7 Flash

Qwen3.5 35B-A3B is the stronger model overall, scoring 41.7 to 36.5 on the Noometry Index. Step 3.7 Flash costs 1.7× less per token, which makes it the better buy when Qwen3.5 35B-A3B's lead doesn't matter for your workload.

Last verified . 3 shared benchmarks.

Qwen3.5 35B-A3B Alibaba (Qwen)

41.7

Rank #118 Confirmed

Step 3.7 Flash StepFun

36.5

Rank #207 Reported

Summary

  • They share 3 benchmarks with published results for both. Qwen3.5 35B-A3B scores higher in 1 category and Step 3.7 Flash in 2 categories; 3 gaps are clear of the uncertainty.
  • The widest gap is in coding, where Step 3.7 Flash leads 39.4 to 33.5.
  • The biggest single-benchmark swing is MathArena Final-Answer Competitions: 56% for Qwen3.5 35B-A3B and 68.5% for Step 3.7 Flash.
  • Step 3.7 Flash is cheaper at $0.18 / $1.11 per million input/output tokens, against $0.25 / $2 for Qwen3.5 35B-A3B.
  • Qwen3.5 35B-A3B accepts more context: 262K tokens versus 256K.

Side by side

Qwen3.5 35B-A3BStep 3.7 Flash
ProviderAlibaba (Qwen)StepFun
Noometry Index41.736.5
Released2026-02-012026-05-29
WeightsOpenOpen
Context window262K256K
Max output66K256K
Input $ / M tokens$0.25$0.18
Output $ / M tokens$2$1.11
Results tracked285

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Category by category

Coding Step 3.7 Flash leads

Qwen3.5 35B-A3B: 33.5 (#244), Step 3.7 Flash: 39.4 (#147)

BenchmarkQwen3.5 35B-A3BStep 3.7 Flash
SciCode29.3%40%
LMArena WebDev1254—
LMArena Coding1410—
ALE-Bench—694.12

Reasoning Qwen3.5 35B-A3B leads

Qwen3.5 35B-A3B: 23.9 (#158), Step 3.7 Flash: 20.9 (#211)

BenchmarkQwen3.5 35B-A3BStep 3.7 Flash
CritPt0.6%2.3%
NYT Connections (extended)—39.7%
Chess Puzzles10%—
LMArena Hard Prompts1400—
DTBench80%—
LMCA29.5%—
Epoch Capabilities Index142.52—

Math Step 3.7 Flash leads

Qwen3.5 35B-A3B: 38.4 (#86), Step 3.7 Flash: 40.9 (#74)

BenchmarkQwen3.5 35B-A3BStep 3.7 Flash
MathArena Final-Answer Competitions56%68.5%
OTIS Mock AIME 2024-202570%—
LMArena Math1404—

Knowledge Not comparable

Qwen3.5 35B-A3B: 47.7 (#73), Step 3.7 Flash: —

BenchmarkQwen3.5 35B-A3BStep 3.7 Flash
GPQA Diamond83.5%—
Vectara Hallucination Rate10.5%—
LMArena Expert1408—

Multilingual Not comparable

Qwen3.5 35B-A3B: 50.2 (#122), Step 3.7 Flash: —

BenchmarkQwen3.5 35B-A3BStep 3.7 Flash
LMArena Non-English1379—
LMArena Chinese1458—
LMArena French1412—
LMArena German1367—
LMArena Japanese1326—
LMArena Korean1354—
LMArena Russian1377—
LMArena Spanish1390—

Instruction Following Not comparable

Qwen3.5 35B-A3B: 73.0 (#123), Step 3.7 Flash: —

BenchmarkQwen3.5 35B-A3BStep 3.7 Flash
LMArena Instruction Following1379—

Long Context Not comparable

Qwen3.5 35B-A3B: 42.4 (#122), Step 3.7 Flash: —

BenchmarkQwen3.5 35B-A3BStep 3.7 Flash
LMArena Longer Query1390—

Writing & Preference Not comparable

Qwen3.5 35B-A3B: 58.1 (#118), Step 3.7 Flash: —

BenchmarkQwen3.5 35B-A3BStep 3.7 Flash
LMArena Text1395—
LMArena Creative Writing1347—
LMArena Multi-Turn1391—

Frequently asked questions

Is Qwen3.5 35B-A3B better than Step 3.7 Flash?

Qwen3.5 35B-A3B is the stronger model overall, scoring 41.7 to 36.5 on the Noometry Index. Step 3.7 Flash costs 1.7× less per token, which makes it the better buy when Qwen3.5 35B-A3B's lead doesn't matter for your workload.

Which is cheaper, Qwen3.5 35B-A3B or Step 3.7 Flash?

Step 3.7 Flash is cheaper. It lists at $0.18 per million input tokens and $1.11 per million output tokens; Qwen3.5 35B-A3B lists at $0.25 and $2.

Is Qwen3.5 35B-A3B or Step 3.7 Flash better for coding?

Step 3.7 Flash scores higher on coding benchmarks: 39.4 versus 33.5 in the Noometry coding category.

Which has the bigger context window?

Qwen3.5 35B-A3B does, with 262K tokens against 256K.

How many benchmarks do Qwen3.5 35B-A3B and Step 3.7 Flash share?

3 benchmarks have published results for both models. Qwen3.5 35B-A3B has 28 scored results on Noometry and Step 3.7 Flash has 5.

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