Qwen3.5 Plus API Pricing
Alibaba · released 2026-02-16
Also searched as: Qwen 3.5 Plus pricing
Qwen3.5 Plus price
0.040¢ / 1K
0.240¢ / 1K
0.090¢ / 1K
Reasoning (thinking) output: $2.40 / 1M tokens — billed separately from standard output; not included in the blended price.
Single public source; verify on the official site; Higher rates apply above a context threshold; see the official site; Thinking-mode output billed separately
Official list price from Alibaba, as recorded by models.dev
What it actually costs
| Workload | Tokens | Cost |
|---|---|---|
| Short chat reply | 500 in / 300 out | 0.092¢ |
| RAG query | 4,000 in / 500 out | 0.28¢ |
| Long document summary | 50,000 in / 1,000 out | $0.0224 |
| Code review of a 2k-line file | 30,000 in / 2,000 out | $0.0168 |
| 1,000 chat replies/day for 30 days | 30,000 × (500 in / 300 out) | $27.60 |
Cost = (input tokens ÷ 1,000,000 × $0.40) + (output tokens ÷ 1,000,000 × $2.40).
Benchmarks
| Benchmark | Value | Source | As of |
|---|---|---|---|
| Epoch Capabilities Index (ECI) | No public data yet | ||
| Epoch Mock AIME accuracy | 86.7% | epoch | 2026-02-16 |
| Epoch FrontierMath (T1–3) accuracy | No public data yet | ||
| Arena text rating | No public data yet | ||
| Arena coding rating (human preference votes, not task accuracy) | No public data yet | ||
| Arena math rating | No public data yet | ||
| Arena WebDev rating | No public data yet | ||
More from Alibaba
| Model | Released | Blended $/1M |
|---|---|---|
| Qwen-Image-2.1-Turbo | 2026-10-09 | — |
| Qwen-Image-2.1-Pro | 2026-10-02 | — |
| Qwen 3.8 Max Prime | 2026-09-23 | — |
| Qwen3.8 Omni Flash | 2026-09-17 | $0.23 |
| Qwen-Image-2.1 | 2026-09-14 | — |
| Qwen3.8 Max 0902 | 2026-09-02 | $3.00 |
| Qwen3.8 Flash Next | 2026-08-27 | — |
| Qwen3.8 Flash | 2026-08-26 | $0.23 |
Count tokens & estimate cost for Qwen3.5 Plus
Prices: Alibaba's official list price as recorded by models.dev; benchmarks: see sources below; last synced 2026-11-06.
FAQ
Who develops Qwen3.5 Plus?
Qwen3.5 Plus is developed by Alibaba, released 2026-02-16.
How much does Qwen3.5 Plus cost per million tokens?
Qwen3.5 Plus costs $0.40 per 1M input tokens and $2.40 per 1M output tokens ($0.90 blended), per Alibaba's official list price as recorded by models.dev.
What is the Qwen3.5 Plus API price?
The Qwen3.5 Plus API price is $0.40 per 1M input tokens and $2.40 per 1M output tokens ($0.90 per 1M blended).
How much does Qwen3.5 Plus cost for a typical request?
A short chat reply (500 in / 300 out tokens) costs about 0.092¢ on Qwen3.5 Plus, at $0.40/1M input and $2.40/1M output.
Is Qwen3.5 Plus free?
Qwen3.5 Plus's official API list price is $0.40 per 1M input tokens and $2.40 per 1M output tokens. This site tracks list prices only, not free tiers or trial credits — check Alibaba's site for those.
Where does this data come from?
Pricing for Qwen3.5 Plus comes from models.dev and LiteLLM (open MIT-licensed catalogs); benchmark scores come from Epoch AI and LMArena (open CC BY 4.0 licenses) — see /data-sources/. Last synced 2026-11-06.