qwen3.5-plus

qwen3.5-plus

Alibaba’s Qwen3.5 series supports multimodal capabilities.
2026-02-16
LLM
Model capability: imageModel capability: videoModel capability: thinkingModel capability: function_call
Input:
$0.12/1M tokensstarting from
Output:
$0.69/1M tokensstarting from
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API Overview

Qwen3.5-Plus is the latest high-performance flagship model in the Tongyi Qianwen series. This model adopts an advanced hybrid architecture, achieving a generational leap in inference performance, logical analysis, and compliance with complex instructions. As a top-tier model optimized for production environments, Qwen3.5-Plus not only boasts exceptional general-purpose capabilities but also excels in long-text processing and multimodal agent tasks, making it the preferred choice for developers and enterprises building intelligent applications. ───────────────────────────────────────────────────────────────────

Core Capabilities

Ultra-long Context Support: By default, it supports a context window of 1 million tokens, effortlessly handling ultra-long document analysis, large-scale codebase comprehension, and complex book summarization tasks with precise information capture.

Generational-Level Inference Performance: Its logical reasoning capabilities have been significantly enhanced, enabling deep analysis of complex logic. It performs exceptionally well in mathematical problem-solving, rigorous programming, and intricate planning scenarios, delivering consistently high-quality outputs.

Native Multimodal Agent: Equipped with powerful tool-call and instruction-following abilities, it supports deep integration with web search and external plugins, allowing it to function efficiently as a native agent capable of executing cross-platform tasks.

Enterprise-Ready for Production: Specifically designed for large-scale production scenarios, it ensures high performance while offering exceptional output stability and response speed, perfectly adapting to various high-frequency business needs.

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API Analytics

API Reference (1)

API DescriptionAPI EndpointRequest MethodStabilityParameter Description
qwen3.5-plus
POST
Stable
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API Pricing

$
ModelDescriptionContextOfficial Price302.AI Price

qwen3.5-plus

Input <= 128K
992000

Input$0.12 / 1M tokens
Output$0.69 / 1M tokens

Input$0.12/ 1M tokens
Output$0.69/ 1M tokens
Original Price

qwen3.5-plus

128K-256K
992000

Input$0.29 / 1M tokens
Output$1.72 / 1M tokens

Input$0.29/ 1M tokens
Output$1.72/ 1M tokens
Original Price

qwen3.5-plus

256K-1M
992000

Input$0.58 / 1M tokens
Output$3.44 / 1M tokens

Input$0.58/ 1M tokens
Output$3.44/ 1M tokens
Original Price