Successful inference trendActivity
Flatkey price
Live catalog modelInput /M
$0.32/ 1M tokens$0.4/ 1M tokens
Input /M
$0.32/ 1M tokens$0.4/ 1M tokens
Cache /M
$0.032/ 1M tokens$0.04/ 1M tokens
Output /M
$1.92/ 1M tokens$2.4/ 1M tokens
qwen3.5-plus API
Alibaba qwen3.5-plus for chat and coding; Flatkey routes this model through /v1/chat/completions. $0.32/$1.92 per 1M tokens 128,000-token context window.
Input /M
$0.32/ 1M tokens-20%$0.4/ 1M tokens
Cache /M
$0.032/ 1M tokens-20%$0.04/ 1M tokens
Output /M
$1.92/ 1M tokens-20%$2.4/ 1M tokens
Provider
Alibaba
qwen3.5-plus API performance
qwen3.5-plus API reliability and uptime
Live Flatkey request telemetry for qwen3.5-plus appears here when enough production traffic is available.
Avg. provider uptime
99.64%
last 30 days
Latency
2.18s
last 30 days
Requests
279
30-day window
Successful inference trend
qwen3.5-plus API activity
qwen3.5-plus API usage and request activity
Track request volume and successful inference activity for qwen3.5-plus over the latest reporting window.
Requests
279
30-day window
Latency
2.18s
last 30 days
Uptime
99.64%
last 30 days
qwen3.5-plus pricing
qwen3.5-plus API pricing and billing
Prices below are calculated from Flatkey pricing data for this model and the visible groups currently returned by our pricing API.
View API
Shared balance
Add credits Add credits
Use the same Flatkey balance and API key across image, video, audio, and text models.
Model catalog
- Model Type
- Text
- API
- /v1/chat/completions
- Billing basis
- 1M tokens
qwen3.5-plus chat and coding: core capabilities
Alibaba's qwen3.5-plus route supports text · file. Catalog categories: Programming, Roleplay, Marketing.
qwen3.5-plus chat and coding API
Call qwen3.5-plus through /v1/chat/completions for chat, coding or agent workflows supported by the model's listed modalities.
qwen3.5-plus long-context work
qwen3.5-plus is listed with 128,000-token; use that catalog value as an integration planning reference and validate limits for your account.
qwen3.5-plus tool and agent workflows
Keep tool calls, structured output and streaming behavior aligned with the endpoint contract instead of assuming every provider feature is interchangeable.
qwen3.5-plus production routing
Use one Flatkey key for qwen3.5-plus, usage controls and model routing while retaining the exact model id in your SDK configuration.
Compare
qwen3.5-plus API comparison: capabilities and access
Compare the catalog facts for qwen3.5-plus with the previous-generation baseline before changing your integration.
| Capability | Previous generation | qwen3.5-plus |
|---|---|---|
| Provider | Not verified in this catalog snapshot | Alibaba |
| Modalities | Not verified in this catalog snapshot | text · file |
| Context | Not verified in this catalog snapshot | 128,000-token |
| Endpoint | Not verified in this catalog snapshot | /v1/chat/completions |
| Billing | Not verified in this catalog snapshot | $0.32/$1.92 per 1M tokens |
Why Flatkey
Why use Flatkey for qwen3.5-plus?
OpenAI-compatible migration path
Chat Completions-style payloads reduce switching friction from existing model stacks.
Production routing
Keep usage, keys, quotas, and model routing in one Flatkey account.
Unified API access
Use one account and API key across image, video, audio, and language models.
Routing across upstream channels
Requests are spread across the channels serving this model, with 30-day uptime published above.
API
qwen3.5-plus API
Four ways in, all on the same key and the same model catalog. Pick one to see a runnable example.
Call any model with an OpenAI-compatible API. Copy a ready-to-run example for your model and language.
Use the OpenAI SDK you already know — with Flatkey as the gateway.
Generate images and videos from your terminal. Let your AI assistant drive the workflow.
Connect your coding agent with one command, then use Flatkey from your existing projects.
curl https://router.flatkey.ai/v1/chat/completions \ -H "Content-Type: application/json" \ -H "Authorization: Bearer sk-***" \ -d '{"model":"qwen3.5-plus","messages":[{"role":"user","content":"Say hello in one sentence."}]}'
FAQ
qwen3.5-plus API
pricing, features, and usage FAQs
Answers about qwen3.5-plus pricing, capabilities, endpoint access and catalog limits.
What is qwen3.5-plus used for?
qwen3.5-plus is listed by Alibaba for chat and coding; the catalog lists these modalities: text · file.
How is qwen3.5-plus priced?
Use the pricing section above for current Flatkey prices from our pricing API.
Which API endpoint calls qwen3.5-plus?
Flatkey routes this model through /v1/chat/completions. Set the model field to qwen3.5-plus and follow the fields supported by that endpoint.
What context or input limits does qwen3.5-plus have?
qwen3.5-plus is listed with 128,000-token. Other limits depend on the route and current account availability, so verify them before production use.