HASTATAgent stack guide qwen
Qwen3.5 4B
Qwen instruction model for multilingual chat and tool use
Fresh · fetched 2026-08-17T02:11:57.739Z · Models.dev(opens in a new tab)
Minimum context256K
Output64K
Providers3
CapabilitiesTool calling, Reasoning, Image input
Provider offers
| Providers | Input / 1M | Output / 1M | Cache read / 1M | Context / output | Updated |
|---|---|---|---|---|---|
 QVACqwen3.5-4b | $0.00 | $0.00 | Unavailable | 32K | 2025-11-01 |
 NanoGPTqwen3.5-4b | $0.10 | $0.20 | $0.050 | 256K | 2026-08-16 |
 SiliconFlow (China)Qwen/Qwen3.5-4B | $0.00 | $0.00 | Unavailable | 256K | 2026-03-03 |
Lowest reported provider price in USD per 1M tokens; unavailable is not free. Provider documentation remains authoritative. Catalogue presence is not an uptime, security, or quality endorsement.
Source metadata and limitations
Capabilities are source-reported. Tool calling does not prove quality in a particular harness. Prices and limits can change.
Modalities: text → text