Qwen3 30B A3B vs Step-3.5-Flash Comparison

Comparing Qwen3 30B A3B and Step-3.5-Flash across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Qwen3 30B A3B outperforms in 0 benchmarks, while Step-3.5-Flash is better at 1 benchmark (AIME 2025).

Step-3.5-Flash significantly outperforms across most benchmarks.

Sat Mar 14 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Qwen3 30B A3B costs less

For input processing, Qwen3 30B A3B ($0.10/1M tokens) costs the same as Step-3.5-Flash ($0.10/1M tokens).

For output processing, Qwen3 30B A3B ($0.30/1M tokens) is 1.3x cheaper than Step-3.5-Flash ($0.40/1M tokens).

In conclusion, Step-3.5-Flash is more expensive than Qwen3 30B A3B.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers

Sat Mar 14 2026 • llm-stats.com

Qwen3 30B A3B

Input tokens$0.10

Output tokens$0.30

Best providerDeepinfra

Step-3.5-Flash

Input tokens$0.10

Output tokens$0.40

Best providerStepFun

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Model Size

Parameter count comparison

165.5B diff

Step-3.5-Flash has 165.5B more parameters than Qwen3 30B A3B, making it 542.6% larger.

Qwen3 30B A3B

30.5Bparameters

Step-3.5-Flash

196.0Bparameters

30.5B

Qwen3 30B A3B

196.0B

Step-3.5-Flash

Context Window

Maximum input and output token capacity

Qwen3 30B A3B accepts 128,000 input tokens compared to Step-3.5-Flash's 65,536 tokens. Qwen3 30B A3B can generate longer responses up to 128,000 tokens, while Step-3.5-Flash is limited to 8,192 tokens.

Qwen3 30B A3B

Input128,000 tokens

Output128,000 tokens

Step-3.5-Flash

Input65,536 tokens

Output8,192 tokens

Sat Mar 14 2026 • llm-stats.com

License

Usage and distribution terms

Both models are licensed under Apache 2.0.

Both models share the same licensing terms, providing consistent usage rights.

Qwen3 30B A3B

Apache 2.0

Open weights

Step-3.5-Flash

Apache 2.0

Open weights

Release Timeline

When each model was launched

Qwen3 30B A3B was released on 2025-04-29, while Step-3.5-Flash was released on 2026-02-02.

Step-3.5-Flash is 9 months newer than Qwen3 30B A3B.

Qwen3 30B A3B

Apr 29, 2025

10 months ago

Step-3.5-Flash

Feb 2, 2026

1 months ago

9mo newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

Qwen3 30B A3B is available from DeepInfra, Novita, Fireworks. Step-3.5-Flash is available from StepFun. The availability of providers can affect quality of the model and reliability.