Alibaba Qwenopen weightsQwen3.5-9B pricing
$0.10 per 1M input tokens and $0.15 per 1M output tokens. In real work that is 0.02¢ per chat answer and 0.17¢ to summarize a 20-page PDF.
What Qwen3.5-9B costs per task
Token counts estimated from a measured model of the same lab (Qwen3.8 Flash), rescaled by tokenizer. Reasoning tokens are billed as output.
| Task | Cost | Tokens used | Price rank | Basis |
|---|---|---|---|---|
| Answer a chat question | 0.02¢$0.25 / 1,000 | 88 in · 689 out · 909 reasoning | 23 of 336 | estimated |
| Reply to a customer email | 0.01¢$0.14 / 1,000 | 326 in · 98 out · 587 reasoning | 33 of 336 | estimated |
| Write a 1,500-word blog post | ≥0.24¢$2.41 / 1,000 | 104 in · 0 out · 16,000 reasoning | 72 of 336 | estimated |
| Write 10 product descriptions | ≥0.24¢$2.43 / 1,000 | 345 in · 0 out · 16,000 reasoning | 91 of 336 | estimated |
| Translate 1,000 words | 0.03¢$0.33 / 1,000 | 1,386 in · 1,166 out · 136 reasoning | 19 of 336 | estimated |
| Proofread one page (500 words) | 0.04¢$0.35 / 1,000 | 777 in · 671 out · 1,159 reasoning | 28 of 336 | estimated |
| Summarize a 20-page PDF | 0.17¢$1.71 / 1,000 | 13,119 in · 501 out · 2,141 reasoning | 56 of 336 | estimated |
| Extract data from an invoice | 0.04¢$0.38 / 1,000 | 501 in · 561 out · 1,617 reasoning | 34 of 336 | estimated |
| Analyze a 200-row spreadsheet | ≥0.30¢$3.04 / 1,000 | 6,357 in · 0 out · 16,000 reasoning | 32 of 336 | estimated |
| Answer from 5 retrieved documents (RAG) | 0.08¢$0.81 / 1,000 | 3,751 in · 974 out · 1,912 reasoning | 39 of 336 | estimated |
| Classify 100 support tickets | 0.14¢$1.41 / 1,000 | 1,463 in · 534 out · 7,879 reasoning | 48 of 336 | estimated |
| Review 500 lines of code | ≥0.29¢$2.89 / 1,000 | 4,874 in · 0 out · 16,000 reasoning | 34 of 336 | estimated |
| Write a SQL query | 0.04¢$0.41 / 1,000 | 177 in · 405 out · 2,225 reasoning | 36 of 336 | estimated |
| Run a 50-step coding agent | 24¢$240 / 1,000 | 2,259,875 in · 15,150 out · 80,850 reasoning | 114 of 336 | modeled |
Price at every provider
List prices per 1M tokens (input / output) at each host serving Qwen3.5-9B through OpenRouter today. Hosts can differ in quantization, context and speed.
| Provider | Input / output | Cached input | Context | Uptime |
|---|---|---|---|---|
| D Darkbloomfp4 | $0.08 / $0.13 | $0.04 | 262K | 100% |
 SiliconFlowfp8 | $0.10 / $0.15 | - | 262K | 100% |
 DeepInfrabf16 | $0.10 / $0.15 | - | 262K | 100% |
| V Venicefp8 | $0.10 / $0.15 | - | 256K | 100% |
 Parasailbf16 | $0.10 / $0.25 | - | 262K | 100% |
 Togetherunknown | $0.17 / $0.25 | - | 262K |
Price history
First seen in our price history on Mar 17, 2026 at $0.05 input / $0.15 output. Since then the output price moved from $0.15 to $0.15 per 1M tokens (3 changes).
FAQ
How much does Qwen3.5-9B cost?
Qwen3.5-9B costs $0.10 per 1 million input tokens and $0.15 per 1 million output tokens (list price on Oct 18, 2026). In practice one chat answer costs about 0.02¢ and summarizing a 20-page PDF about 0.17¢.
Where is Qwen3.5-9B cheapest?
Among 6 providers we track, the lowest list price today is at Darkbloom: $0.08 input and $0.13 output per 1M tokens.
Is the Qwen3.5-9B cost per task measured or estimated?
Estimated: Qwen3.5-9B was not run directly. Tokens come from Qwen3.8 Flash and are rescaled by the tokenizer of Alibaba Qwen. Real usage can differ.