Qwen: Qwen3.5-9B
Qwen · qwen/qwen3.5-9b
Runs in the cloud on our API and on your own machine — qwen3.5:9b on the local shelf, free and offline.
open weights tools reasoning optional retires 2026-10-21
Qwen3.5-9B is a multimodal foundation model from the Qwen3.5 family, designed to deliver strong reasoning, coding, and visual understanding in an efficient 9B-parameter architecture. It uses a unified vision-language design...
Scheduled to retire on 2026-10-21 — worth choosing what replaces it before then.
What it costs
Final AI-token prices, per million tokens. Bring your own provider key in the app to pay provider rates directly.
What it can do
Benchmarks
| Benchmark | What it measures | Score |
|---|---|---|
| Epoch Capabilities Index | one score summarising the benchmarks below — an index, not a percentage | 139.5 |
| GPQA Diamond | graduate-level science questions | 79.0% ± 2.4 |
| AIME | competition mathematics | 61.7% ± 6.0 |
Scores by Epoch AI, CC BY 4.0. The ± is the margin of error: models inside each other's margins are tied, not ranked. Epoch's notes on this row: source “epoch”, accessibility “Open weights (restricted use)”.
Dates
Using it
In the 00 app — pick it per agent, and per tier, then build your own agents on it. Get 00.
As a drop-in API — the same model at an OpenAI-compatible endpoint. Two settings:
- Create a workspace API key in the Overblast console — usage bills that workspace's AI tokens, at the prices on this page.
- Point your base URL at
https://brain.deployd.network/ai/v1. Chat completions with streaming, embeddings,/images,/audio/transcriptionsand/videos.
curl https://brain.deployd.network/ai/v1/chat/completions \
-H "Authorization: Bearer ob_live_YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "qwen/qwen3.5-9b",
"messages": [{ "role": "user", "content": "Hello" }]
}'
← all models · compare it with another · calling image, video and speech models
Subscribe to new models