Qwen3.5 9B

Qwen3.5 9B on Zumik: live pricing, context, and caching, routable by id or alias through one OpenAI-compatible endpoint.

Input / 1M tokens
Output / 1M tokens
Cache read
262K
Context window

At a glance.

ProviderFireworks AI
Familyqwen3_5
Released
LicenseOpen weights
Context window262K tokens
Max output
Parameters9B
Modalitiestext
Tool callingNo
Reasoning modeYes
Cachingnone
Batch discountNo batch tier

What reuse looks like here.

Not yet profiled

Pricing, context, and capabilities for Qwen3.5 9B are live, but it is outside the flagship set Zumik benchmarks in depth, so measured reuse, capture, and warm TTFT are not shown yet. Run a workload estimate or route it by id to start collecting traces.

Same OpenAI client, this model.

python
from openai import OpenAI

client = OpenAI(base_url="https://api.zumik.ai/v1", api_key="zk_live_...")

r = client.responses.create(
    model="qwen3p5-9b",
    input="Draft a fix for the failing test.",
)
print(r.usage.input_tokens_cached)   # confirm reuse

Qwen3.5 9B, answered.

How much does Qwen3.5 9B cost?

Qwen3.5 9B is an open-weights model routed through Fireworks AI. It is priced on the host's serverless size tier rather than a single published per-token list price, so it shows "—" here until profiled.

What is Qwen3.5 9B's context window?

Qwen3.5 9B supports a 262K-token context window.

Run Qwen3.5 9B with reuse measured.

Point an OpenAI client at Zumik and see exactly how much of this model's input you are reusing.