qwen3.5-27bAlibaba (Qwen)
- endpoints
- 2
- regions
- 1
- api
- chat
- released
- February 2026
capabilities 4/8
The same weights cost 1.3x more on deepinfra inc. than on deepinfra inc.. That is what the endpoints table is for.
| # | flags | |||||
|---|---|---|---|---|---|---|
| 1 |  DeepInfra Inc. | Global | 262K | $0.21 | $2.08 | zdr |
| 2 | DeepInfra Inc. | Global | 262K | $0.26 | $2.60 | zdr |
no measured traffic for this model yet. the endpoints table above carries provider pricing
| eval | Score as a share of 100 | /100 |
|---|---|---|
| τ²-Bench | 93.9 | |
| GPQA Diamond | 85.8 | |
| Terminal-Bench Hard | 32.6 | |
| Humanity's Last Exam | 23.9 | |
| Intelligence Index | 22.9 | |
| 5 evals | mean | 51.8 |
Scores from Artificial Analysis and public leaderboards, normalised to 100. Bar colour is the band, not the rank: green 80 and up, blue 55 and up, amber 30 and up. Benchmarks measure narrow skills, so test on your own workload before committing. Released 2026-02-24.
qwen3.5-27brequesty routes this id across every provider serving qwen3.5-27b, picking on price and health and failing over automatically. the id stays valid when a provider changes underneath it
Base url is https://router.requesty.ai/v1 for every id here. One key reaches the whole catalog.
from openai import OpenAI client = OpenAI( api_key="YOUR_REQUESTY_API_KEY", base_url="https://router.requesty.ai/v1",) response = client.chat.completions.create( model="qwen3.5-27b", messages=[ {"role": "user", "content": "Explain quantum computing in one paragraph."}, ],) print(response.choices[0].message.content)
Change the base url, use your Requesty key, set the model to any id in the call pane. Existing OpenAI SDK code needs no other edit, and the same key reaches every other model in the catalog, so switching later is a one-parameter change. Browse all models
Qwen3.5-27B is Alibaba's largest dense Qwen3.5 model, delivering near-frontier quality across reasoning, coding, and instruction following. It features a 262K token context window (extensible to 1M), thinking/reasoning mode, tool calling, multi-token prediction, and support for 201 languages. Best suited for production deployments and complex enterprise tasks requiring top-tier performance.
questions 6
Which providers serve qwen3.5-27b?
How much does qwen3.5-27b cost?
Is qwen3.5-27b open weights?
What is the context window of qwen3.5-27b?
How do I use qwen3.5-27b with the OpenAI SDK?
Should I call qwen3.5-27b by its managed id or a provider id?
more from alibaba (qwen) 6
| model | context | from /M | providers |
|---|---|---|---|
| qwen3.8-2.4t-a95b | 1M | $2.50 | 1 |
| qwen3.8-flash-next | 262K | $0.20 | 1 |
| qwen3.8-flash | 1.0M | $0.16 | 1 |
| qwen3.8-max | 1.0M | $2.00 | 3 |
| qwen3.7-plus | 1.0M | $0.32 | 2 |
| qwen3.7-max | 1.0M | $2.50 | 1 |
route qwen3.5-27b through one endpoint
One key for 1 provider on this model and 600+ others. No markup on provider prices, automatic failover, caching built in. Weekly aggregates in the measured pane come from production traffic routed through Requesty, one line per provider on a shared axis. Methodology