Search models, providers, and docs
Qwen3.5 4B is available from 7 providers. The lowest input price is $0 per million tokens from UnoRouter. It supports up to 262.1K tokens of context.
| UnoRouter | qwen3.5-4b:free | $0 | $0 | - | 262.1K | - |
| Opper | deepinfra/Qwen/Qwen3.5-4B | $0.03 | $0.15 | - | 262.1K | 262.1K |
| EmpirioLabs AI | qwen3-5-4b | $0.04 | $0.07 | $0.02 | 262.1K | 32.8K |
| Opper | empiriolabs/qwen3-5-4b | $0.04 | $0.07 | $0.02 | 262.1K | 32.8K |
| Opper | deepinfra:priority/Qwen/Qwen3.5-4B | $0.045 | $0.225 | - | 262.1K | 262.1K |
| Requesty | runware/qwen3.5-4b | $0.05 | $0.07 | $0.005 | 262.1K | 262.1K |
| TrustedRouter | qwen/qwen3.5-4b | $0.1055 | $0.211 | - | 32.8K | - |
| Fireworks AI | accounts/fireworks/models/qwen3p5-4b | $0.2 | $0.2 | $0.1 | 262.1K | - |
| LLMTR | llmtr/qwen3-5-4b | $1 | $3 | $0.25 | 131.1K | - |