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Qwen Plus 0728 vs Qwen3.5 Plus 2026-04-20

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 Qwen Plus 0728 and Qwen3.5 Plus 2026-04-20.

Alibaba

Qwen Plus 0728

Qwen Plus 0728, based on the Qwen3 foundation model, is a 1 million context hybrid reasoning model with a balanced performance, speed, and cost combination.

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Alibaba

Qwen3.5 Plus 2026-04-20

Qwen3.5 Plus (April 2026) is a large-scale multimodal language model from Alibaba. It accepts text, image, and video input and produces text output, with a 1M token context window. This...

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Technical Specifications

SpecificationQwen Plus 0728Qwen3.5 Plus 2026-04-20
ProviderAlibabaAlibaba
Context Window1,000,000 tokens1,000,000 tokens
Agent SuitabilityN/AN/A
Time to First Token (TTFT)N/AN/A
Deployment Modelself hostableself hostable
Production Stabilitybetabeta
API AvailableYesYes
Released Date2025-09-082026-04-27

API Pricing Comparison

Input Price per Million Tokens

Qwen Plus 0728

$0.26

Qwen3.5 Plus 2026-04-20

$0.30

Output Price per Million Tokens

Qwen Plus 0728

$0.78

Qwen3.5 Plus 2026-04-20

$1.80

Want to test both models live?

Run side-by-side prompt prompts in our dynamic Sandbox. Check execution speeds, latency metrics, and compute actual costs in real-time.

Benchmark Performance Metrics

Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.

Qwen Plus 0728 Quirks & Gotchas

No developer gotchas reported.

Qwen3.5 Plus 2026-04-20 Quirks & Gotchas

No developer gotchas reported.