head-to-head

Qwen: Qwen3.7 Plus vs StepFun: Step 3.7 Flash

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.

Qwen: Qwen3.7 Plus StepFun: Step 3.7 Flash
Vendorqwenstepfun
Quality Score100100
Benchmark Score64.850.8
Input Price$0.32/M$0.20/M
Output Price$1.28/M$1.15/M
Context Window1,000,000262,144
Max Output131,072230,400
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index64.349.9
ai_index_agentic34.335.5
ai_index_coding92.265.3

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, Step 3.7 Flash costs $0.49 and Qwen3.7 Plus costs $0.64, so Step 3.7 Flash is about 1.3 times cheaper for the same work.

Qwen3.7 Plus reads up to 1,000,000 tokens at once, roughly 1,500 pages of text, against about 393 pages for Step 3.7 Flash.

Only Step 3.7 Flash offers video input.

On our blended benchmark score Qwen3.7 Plus leads 64.8 to 50.8.

Across the 20 tasks where they differ, Qwen3.7 Plus scores higher on 20 (SQL Generation, Code Review, Code Completion and others).

Qwen3.7 Plus was released in June 2026 and Step 3.7 Flash in May 2026.

Pick Qwen3.7 Plus if you need long documents, benchmark performance or the stronger all-round task scores; pick Step 3.7 Flash if you need lower cost or video input.

Costs use current list prices per million tokens; page counts assume about 0.75 words per token and 500 words per page.

Who wins by task?

TaskQwen: Qwen3.7 PlusStepFun: Step 3.7 Flash
SQL Generation 162 153
Code Review 157 146
Code Completion 133 130
Code Refactoring 157 144
Bug Fixing 166 155
Unit Test Generation 147 139
Code Documentation 140 133
Regex Writing 131 129
CI/CD Pipelines 138 131
Frontend Component Design 140 136
Data Analysis 156 150
CSV / Spreadsheet Cleanup 151 141
ETL Scripting 147 137
JSON Extraction 146 142
Bulk Data Labeling 134 133
OCR / Document Parsing 144 138
Table Extraction from PDFs 144 138
Long-Document Summarization 153 142
Short-Form Summarization 129 128
Blog Post Writing 135 129

Scores reflect capability match + benchmark data + pricing for each task. Methodology →

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