Qwen: Qwen3.5-Flash API Pricing
Qwen: Qwen3.5-Flash costs $0.065 per 1M input tokens and $0.260 per 1M output tokens. Context window: 1M. Prices verified 2026-10-21 · source
Alternatives to consider
Rebuilt daily from our snapshot archive — the chart appears once a model has 5+ snapshots of history.
From our own daily snapshot archive — independent of provider announcements.
Higher effort = deeper thinking = more reasoning tokens billed as output.
What would Qwen: Qwen3.5-Flash cost you per month?
| Workload | Requests/mo | Avg tokens (in/out) | Est. monthly cost |
|---|---|---|---|
| Light chatbot | 10,000 | 800 / 400 | $1.56 |
| Coding agent | 5,000 | 8,000 / 2,000 | $5.20 |
| RAG pipeline | 30,000 | 4,000 / 500 | $11.70 |
| Doc summarizer | 2,000 | 20,000 / 1,000 | $3.12 |
Estimates use list prices without prompt caching. Caching can cut input cost by up to 90% on repeated context.
About Qwen: Qwen3.5-Flash
The Qwen3.5 native vision-language Flash models are built on a hybrid architecture that integrates a linear attention mechanism with a sparse mixture-of-experts model, achieving higher inference efficiency. Compared to the...
Compare Qwen: Qwen3.5-Flash with
- Qwen: Qwen3.5-Flash vs OpenAI: GPT-5.6 Terra Pro
- Qwen: Qwen3.5-Flash vs Anthropic: Claude Fable 5
- Qwen: Qwen3.5-Flash vs Anthropic: Claude Opus 5
- Qwen: Qwen3.5-Flash vs OpenAI: GPT-5.6 Sol
Popular head-to-heads — see all on the comparisons index.
Frequently asked questions
How much does Qwen: Qwen3.5-Flash cost?
Qwen: Qwen3.5-Flash costs $0.065 per 1M input tokens and $0.260 per 1M output tokens. Verified 2026-10-21 — provider source.
What is the context window?
1M tokens, with up to 66K output tokens per response. That's roughly 1250 pages of text in a single request.
Does it support prompt caching?
Prompt-caching pricing is not published for this model via OpenRouter.
What's a cheaper alternative?
Mistral: Mistral Nemo saves about 76% on a typical workload with comparable quality.
Official resources
- Qwen: Qwen3.5-Flash on OpenRouter — live endpoint, pricing source of record.
- Artificial Analysis leaderboard → — independent intelligence and performance rankings.
- Qwen GitHub → — official model repositories and release notes.
- Shred your current bill — paste a CSV and see if switching saves money.