Qwen3 Coder Plus vs Step 3.7 Flash
How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for Qwen3 Coder Plus and Step 3.7 Flash.
Qwen3 Coder Plus
Qwen3 Coder Plus is Alibaba's proprietary version of the Open Source Qwen3 Coder 480B A35B. It is a powerful coding agent model specializing in autonomous programming via tool calling and...
Step 3.7 Flash
Step 3.7 Flash is StepFun's latest high-efficiency multimodal Mixture-of-Experts model. It pairs a 196B-parameter language backbone with a vision encoder for native image and video understanding, activating roughly 11B parameters...
Technical Specifications
| Specification | Qwen3 Coder Plus | Step 3.7 Flash |
|---|---|---|
| Provider | Alibaba | StepFun |
| Context Window | 1,000,000 tokens | 256,000 tokens |
| Agent Suitability | N/A | N/A |
| Time to First Token (TTFT) | N/A | N/A |
| Deployment Model | self hostable | managed api |
| Production Stability | beta | stable |
| API Available | Yes | Yes |
| Released Date | 2025-09-23 | 2026-05-28 |
API Pricing Comparison
Input Price per Million Tokens
Qwen3 Coder Plus
$0.65
Step 3.7 Flash
$0.20
Output Price per Million Tokens
Qwen3 Coder Plus
$3.25
Step 3.7 Flash
$1.15
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Benchmark Performance Metrics
Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.
Qwen3 Coder Plus Quirks & Gotchas
No developer gotchas reported.
Step 3.7 Flash Quirks & Gotchas
No developer gotchas reported.