AI Recommendation
Should you use Qwen3.5 Plus?
Qwen3.5 Plus is listed for chat workloads and supports a 1.0M context window.
Use it when OpenCode Zen's free tier is enough for evaluation, demos, or light production traffic.
Qwen3.5 Plus Free API on OpenCode Zen
Free API Verified Catalog metadata matched Reasoning models.dev metadata
Qwen vision-language model for visual reasoning, documents, and agent tasks
Free APIOpenAI compatibleReasoningTool callingVisionReasoning
API Details
Copy-ready connection details
Base URL
https://opencode.ai/zen/v1 Model ID
qwen3.5-plus API format OpenAI Chat Completions
Technical Details
Qwen3.5 Plus specifications
Context window 1.0M
Max output 66K
Status Online
Family qwen
Knowledge cutoff 2025-04
Released Feb 16, 2026
Last updated Feb 16, 2026
Free listing since Sep 19, 2026
Input text, image, video
Output text
Capabilities reasoning, tool calling, temperature control
Best for
- Chat
Pricing
Qwen3.5 Plus pricing per 1M tokens
Input $0.2 per 1M tokens
Output $1.2 per 1M tokens
Access Available OpenCode Zen
Availability
Qwen3.5 Plus availability by provider
We only found this Qwen3.5 Plus listing on OpenCode Zen in the current catalog. Use the related models section for nearby alternatives.
| Provider | Model listing | Access | Context | API | Limits |
|---|---|---|---|---|---|
| | Qwen3.5 Plus | Free tier | 1.0M | Native | Varies |
Compare
Qwen3.5 Plus alternatives to consider
| Model | Provider | Context | Access |
|---|---|---|---|
| big-pickle | OpenCode Zen | N/A | Free tier |
| DeepSeek V4 Flash | OpenCode Zen | 1.0M | Check provider |
| MiMo-V2.5 | OpenCode Zen | 1.0M | Free tier |
| Nemotron 3 Ultra 550B A55B | OpenCode Zen | 1.0M | Free tier |
| North Mini Code | OpenCode Zen | 256K | Check provider |
Typical Use Cases
Qwen3.5 Plus use cases
Chat
Qwen3.5 Plus is tagged for chat in this catalog and works with OpenAI-compatible client libraries.
FAQ
Qwen3.5 Plus free API FAQ
Is Qwen3.5 Plus free to use?
Qwen3.5 Plus is listed with free API access on OpenCode Zen, subject to the provider's quota and account policy.
What is the Qwen3.5 Plus model ID?
The model ID shown in this catalog is qwen3.5-plus.
What context window does Qwen3.5 Plus support?
The listed context window is 1.0M tokens with up to 66K output tokens.
More about Qwen3.5 Plus
Free Qwen3.5 Plus API.
For API keys, setup steps, and provider-level limits, see the OpenCode Zen provider page.