Qwen3.5 9B API Pricing
As of October 10, 2026, Qwen3.5 9B costs $0.10 per 1M input tokens and $0.15 per 1M output tokens from DeepInfra, the lowest of 2 providers. It has a 262,144-token context window.
- Input
- $0.10 / 1M tokens
- Output
- $0.15 / 1M tokens
- Context window
- 262,144 tokens
- Providers
- 2
- Added to LiteLLM
- August 25, 2026
Qwen3.5 9B pricing by provider
2 listings across 2 providers. Token prices are in US dollars per 1M tokens. The highlighted row is the price quoted above.
| Provider | Model name in LiteLLM | Input | Output | Context |
|---|---|---|---|---|
| DeepInfra | deepinfra/Qwen/Qwen3.5-9B | $0.10 | $0.15 | 256K |
| Together AI | together_ai/Qwen/Qwen3.5-9B | $0.17 | $0.25 | 256K |
What Qwen3.5 9B costs in practice
1,000 requests with 2,000 input and 500 output tokens each
| DeepInfra | $0.275 |
| Together AI | $0.465 |
100 long-document requests with 100,000 input and 2,000 output tokens each
| DeepInfra | $1.03 |
| Together AI | $1.75 |
Qwen3.5 9B features
- Function calling
- Parallel tool calls
- Structured output
- Image input
- Reasoning
Use Qwen3.5 9B with LiteLLM
Call Qwen3.5 9B through the LiteLLM Python SDK, or put it behind the LiteLLM proxy and send OpenAI-format requests to /v1/chat/completions. LiteLLM tracks the cost of every request at these prices.
from litellm import completion
response = completion(
model="deepinfra/Qwen/Qwen3.5-9B",
messages=[{"role": "user", "content": "Hello!"}],
)model_list:
- model_name: qwen3.5-9b
litellm_params:
model: deepinfra/Qwen/Qwen3.5-9B
api_key: os.environ/DEEPINFRA_API_KEYcurl http://0.0.0.0:4000/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer sk-1234" \
-d '{
"model": "qwen3.5-9b",
"messages": [{"role": "user", "content": "Hello!"}]
}'Qwen3.5 9B FAQ
How much does Qwen3.5 9B cost?
Qwen3.5 9B costs $0.10 per 1M input tokens and $0.15 per 1M output tokens from DeepInfra, the lowest of 2 providers.
What is the context window of Qwen3.5 9B?
Qwen3.5 9B has a 262,144-token context window.
Which providers offer Qwen3.5 9B?
Qwen3.5 9B is available from 2 providers through LiteLLM: DeepInfra and Together AI. The lowest price is on DeepInfra.
How do I call Qwen3.5 9B with an OpenAI-compatible API?
Use the LiteLLM Python SDK with model="deepinfra/Qwen/Qwen3.5-9B", or add the model to the LiteLLM proxy's config.yaml and send requests to /v1/chat/completions from any OpenAI client. LiteLLM tracks the cost of every request at the prices on this page.
What features does Qwen3.5 9B support?
Qwen3.5 9B supports function calling, parallel tool calls, structured output, image input and reasoning.
When did LiteLLM add Qwen3.5 9B?
Qwen3.5 9B was added to LiteLLM's model price file on August 25, 2026.
Sources
Prices come from LiteLLM's open-source model_prices_and_context_window.json, which LiteLLM uses to calculate the cost of every request. Provider pricing pages:
LiteLLM docs: DeepInfra, Together AI.
Provider pages: DeepInfra, Together AI.
