Qwen: Qwen3.5-35B-A3B
alibaba/qwen3.5-35b-a3bQwen3.5 35B A3B is an open-weight native vision-language model from Alibaba's Qwen3.5 series, released in February 2026, pairing linear attention with a sparse Mixture-of-Experts design that activates about 3 billion of its 35 billion parameters. Alibaba describes its overall performance as comparable to Qwen3.5 27B with higher inference efficiency. It supports thinking mode, tool calling and image and video understanding, and is the open-weight counterpart of the hosted Qwen3.5 Flash.
- Input price
- $0.25USD / 1M tokens
- Output price
- $2.00USD / 1M tokens
- Context window
- 262.1K
- Max output
- 262.1K
Try the model
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Model card
Specifications
Pricing
- Input
- $0.25 / 1M tokens
- Output
- $2 / 1M tokens
- Cache read
- $0.25 / 1M tokens
Context & modalities
- Context window
- 262,144 tokens
- Max output
- 262,144 tokens
- Input
- Text, image
- Output
- Text
Capabilities
- Chat
- Supported
- Vision
- Supported
- Reasoning
- Supported
- Structured output
- Supported
- Function calling
- Supported
- Audio input
- Not supported
Access
- Provider
- Alibaba
- Model ID
- alibaba/qwen3.5-35b-a3b
- Execution
- sync
- Base URL
- https://api.sandbase.ai
- API
- Chat Completions API
- Endpoint
- /v1/chat/completions
Independent evaluations
Benchmarks
Scores on standardized evaluations, compared with other models on SandBase.
Metrics sourced from Artificial Analysis · Intelligence Index v4.3
Start building
Send your first request
OpenAI-compatible endpoint with unified authentication and usage tracking.
# The quoted heredoc keeps Unicode and shell metacharacters unchanged.
result=$(curl --fail-with-body --silent \
-X POST "https://api.sandbase.ai/v1/chat/completions" \
-H "Authorization: Bearer $SANDBASE_API_KEY" \
-H "Content-Type: application/json" \
--data-binary @- <<'SANDBASE_JSON'
{
"model": "alibaba/qwen3.5-35b-a3b",
"messages": [
{
"role": "user",
"content": "Hello"
}
],
"max_tokens": 2048
}
SANDBASE_JSON
)
printf '%s\n' "$result"Choose your model
Compare models
| Model | Context | Input / 1M | Output / 1M | Released |
|---|---|---|---|---|
Qwen3.5-35B-A3BThis model Alibaba | 256K | $0.25 | $2.00 | Feb 25, 2026 |
Alibaba | 1M | $4.00 | $12.00 | Sep 23, 2026 |
Alibaba | 1M | $0.15 | $0.47 | Sep 18, 2026 |
Alibaba | 1M | $2.00 | $6.00 | Sep 3, 2026 |
Alibaba | 1M | $0.50 | $3.00 | Aug 14, 2026 |
Alibaba | 1M | $2.00 | $6.00 | Aug 12, 2026 |
Questions
FAQ
How do I call Alibaba Qwen3.5-35B-A3B through SandBase?
Create a SandBase API key, then send requests with the model ID "alibaba/qwen3.5-35b-a3b" to Chat Completions API (/v1/chat/completions) at https://api.sandbase.ai. The request examples on this page show the exact payload.
How much does Alibaba Qwen3.5-35B-A3B cost?
$0.25 per 1M input tokens and $2 per 1M output tokens, billed per request from your SandBase balance. Discounts, when available, are shown in the pricing on this page.
What is the context window of Alibaba Qwen3.5-35B-A3B?
262.1K tokens of context, with up to 262.1K output tokens per response.
How does Alibaba Qwen3.5-35B-A3B score on benchmarks?
Alibaba Qwen3.5-35B-A3B scores 19.3 on the Artificial Analysis Intelligence Index (v4.3), ranking #67 of 87 models on SandBase. Source: Artificial Analysis, measured as Qwen3.5 35B A3B (Reasoning).
Which features does Alibaba Qwen3.5-35B-A3B support?
Alibaba Qwen3.5-35B-A3B supports vision (image input), reasoning, function calling, structured output. See Specifications above for the full list.
Do I need a separate Alibaba account?
No. One SandBase API key and balance gives you access to Alibaba Qwen3.5-35B-A3B and the other models in the catalog; you do not need to sign up with Alibaba separately.