Qwen3.5-Flash vs Qwen3.5 Plus 2026-04-20
Pick up to 3 models · pricing, context and capabilities · simulate your product cost
Data updated on September 30, 2026· 217 models
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.
- Reasoning estimated
- Speed estimated
- ▲
- Input
- Output
- Context
- 1 M tokens
- Max output
- 66 K
- Input, $ per 1M tokens
- ▲$0.065
- Output, $ per 1M tokens
- ▲$0.260
- Cache read, $ per 1M
- —
- Batch (input / output)
- —
- Tool calling
- Yes
- Released
- ▲02/25/2026
- Knowledge cutoff
- —
- API id
- qwen/qwen3.5-flash-02-23
Qwen3.5 Plus (April 2026) is a large-scale multimodal language model from Alibaba.
- Reasoning estimated
- ▲
- Speed estimated
- Input
- Output
- Context
- 1 M tokens
- Max output
- 66 K
- Input, $ per 1M tokens
- $0.300
- Output, $ per 1M tokens
- $1.80
- Cache read, $ per 1M
- —
- Batch (input / output)
- —
- Tool calling
- Yes
- Released
- 02/16/2026
- Knowledge cutoff
- 2025-04
- API id
- qwen/qwen3.5-plus-20260420
Which is the better API choice: Qwen3.5-Flash vs Qwen3.5 Plus 2026-04-20?
- Qwen3.5-Flash: cheapest input (78% less than Qwen3.5 Plus 2026-04-20)
- Qwen3.5-Flash: cheapest output
- Qwen3.5-Flash: the newest (02/25/2026)
- Qwen3.5 Plus 2026-04-20: most reasoning (estimated)
- Qwen3.5-Flash: the fastest (estimated)
Qwen3.5-Flash costs 78% less on input and 86% less on output than Qwen3.5 Plus 2026-04-20 ($0.065 / $0.260 versus $0.300 / $1.80 per million tokens). All accept 1 M tokens of context.
What would your product cost?
Estimate the monthly cost with your app's real volume. List prices, no cache or batch discounts.
With Qwen3.5-Flash you save $9.68 a month versus Qwen3.5 Plus 2026-04-20 (83% less).
The 6 cheapest for this scenario (chat, last 12 months)
- 1Lyria 3 Pro Preview Google$0.00
- 2Lyria 3 Clip Preview Google$0.00
- 3Qwen3.7 Flash Qwen$0.97
- 4DeepSeek V4 Flash 0731 DeepSeek$1.55
- 5Ministral 3 3B 2512 Mistral$1.90
- 6Qwen3.5-Flash Qwen$2.02
Paste your prompt: tokens and cost per model
Rough estimate (about 4 characters per token). Nothing is sent to any server.
Cost of sending it 1,000 times (input only)
- 1Qwen3.5-Flash Qwen$0.005
- 2Qwen3.5 Plus 2026-04-20 Qwen$0.023
- 3Claude Sonnet 5.5 Anthropic$0.152
- 4Claude Sonnet 5 Anthropic$0.152
- 5Claude Opus 5.5 Anthropic$0.304
- 6Claude Opus 5 Anthropic$0.380
- 7Claude Fable 5.1 Anthropic$0.760
- 8Claude Fable 5 Anthropic$0.760
Popular comparisons
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- GPT-6.1 Sol vs Gemini 3.8 Flash
- GPT-6.1 Sol vs DeepSeek V4.1 Flash
- GPT-6.1 Sol vs Grok 4.7
- Gemini 3.8 Flash vs DeepSeek V4.1 Flash
- Gemini 3.8 Flash vs Grok 4.7
- DeepSeek V4.1 Flash vs Grok 4.7
Frequently asked questions
Which is the better API choice: Qwen3.5-Flash vs Qwen3.5 Plus 2026-04-20?
Qwen3.5-Flash costs 78% less on input and 86% less on output than Qwen3.5 Plus 2026-04-20 ($0.065 / $0.260 versus $0.300 / $1.80 per million tokens). All accept 1 M tokens of context.
Which is cheaper: Qwen3.5-Flash and Qwen3.5 Plus 2026-04-20?
Qwen3.5-Flash is cheaper: $0.065 per million input tokens and $0.260 per million output tokens, versus $0.300 / $1.80 for Qwen3.5 Plus 2026-04-20.
Which has more context: Qwen3.5-Flash and Qwen3.5 Plus 2026-04-20?
Qwen3.5-Flash and Qwen3.5 Plus 2026-04-20 accept the same context: 1 M tokens.
Which is newer: Qwen3.5-Flash and Qwen3.5 Plus 2026-04-20?
Qwen3.5-Flash was released on 02/25/2026; Qwen3.5 Plus 2026-04-20 on 02/16/2026.
What would 10,000 requests a month cost with Qwen3.5-Flash and Qwen3.5 Plus 2026-04-20?
With 1,500 input and 400 output tokens per request: Qwen3.5-Flash: $2.02; Qwen3.5 Plus 2026-04-20: $11.70 a month, at list price.
Where do the prices come from and how often are they updated?
From the public catalogs of OpenRouter, models.dev and LiteLLM, which publish each provider's list prices. They sync once a day and the last update date is shown above the comparison.
What does price per million tokens mean?
It is what the provider charges per million tokens you send (input) or the model generates (output). A token is roughly 4 characters. Output almost always costs more than input.
Sources: OpenRouter, models.dev and LiteLLM. Prices in USD per million tokens, list price, no volume discounts. Prompt tokens are an estimate; each provider's tokenizer may differ.