Qwen2.5 7B Instruct vs Step-3.5-Flash Comparison

Comparing Qwen2.5 7B Instruct and Step-3.5-Flash across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Qwen2.5 7B Instruct and Step-3.5-Flash don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Step-3.5-Flash costs less

For input processing, Qwen2.5 7B Instruct ($0.30/1M tokens) is 3.0x more expensive than Step-3.5-Flash ($0.10/1M tokens).

For output processing, Qwen2.5 7B Instruct ($0.30/1M tokens) is 1.3x cheaper than Step-3.5-Flash ($0.40/1M tokens).

In conclusion, Qwen2.5 7B Instruct is more expensive than Step-3.5-Flash.*

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

Lowest available price from all providers

Sat Mar 14 2026 • llm-stats.com

Qwen2.5 7B Instruct

Input tokens$0.30

Output tokens$0.30

Best providerTogether

Step-3.5-Flash

Input tokens$0.10

Output tokens$0.40

Best providerStepFun

Notice missing or incorrect data?Start an Issue→

Model Size

Parameter count comparison

188.4B diff

Step-3.5-Flash has 188.4B more parameters than Qwen2.5 7B Instruct, making it 2475.6% larger.

Qwen2.5 7B Instruct

7.6Bparameters

Step-3.5-Flash

196.0Bparameters

7.6B

Qwen2.5 7B Instruct

196.0B

Step-3.5-Flash

Context Window

Maximum input and output token capacity

Qwen2.5 7B Instruct accepts 131,072 input tokens compared to Step-3.5-Flash's 65,536 tokens. Both models can generate responses up to 8,192 tokens.

Qwen2.5 7B Instruct

Input131,072 tokens

Output8,192 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.

Qwen2.5 7B Instruct

Apache 2.0

Open weights

Step-3.5-Flash

Apache 2.0

Open weights

Release Timeline

When each model was launched

Qwen2.5 7B Instruct was released on 2024-09-19, while Step-3.5-Flash was released on 2026-02-02.

Step-3.5-Flash is 17 months newer than Qwen2.5 7B Instruct.

Qwen2.5 7B Instruct

Sep 19, 2024

1.5 years ago

Step-3.5-Flash

Feb 2, 2026

1 months ago

1.4yr 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

Qwen2.5 7B Instruct is available from Together. Step-3.5-Flash is available from StepFun. The availability of providers can affect quality of the model and reliability.

Qwen2.5 7B Instruct

Together

Input Price:Input: $0.30/1MOutput Price:Output: $0.30/1M

Step-3.5-Flash

StepFun

Input Price:Input: $0.10/1MOutput Price:Output: $0.40/1M

* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Qwen2.5 7B Instruct

View details

Alibaba Cloud / Qwen Team

Larger context window (131,072 tokens)

Less expensive output tokens

Step-3.5-Flash

View details

StepFun

Less expensive input tokens

Detailed Comparison

AI Model Comparison Table
Feature	Qwen2.5 7B Instruct	Step-3.5-Flash