Qwen model

Qwen3.5 Flash API

qwen/qwen3.5-flash has an input price of $0.03 per 1M tokens and an output price of $0.29 per 1M tokens. Latency band is 1000-3000ms. It has streaming and the use case "quality".

Read quickstartEstimate cost
QwenPlatform curatedCatalog
ThinkingFunction CallingVision
Input priceStarting at $0.03 / 1M tokens
Output price$0.29 / 1M tokens
Context length1M tokens
Max output8.2k tokens
Input lengthInput / 1MOutput / 1MCache hit / 1M
≤ 128k$0.03$0.29$0.01
128k - 256k$0.12$1.15$0.02
256k - 1M$0.18$1.72$0.02

What is Qwen3.5 Flash API in NextModel?

qwen/qwen3.5-flash has an input price of $0.03 per 1M tokens and an output price of $0.29 per 1M tokens. Latency band is 1000-3000ms. It has streaming and the use case "quality".

Qwen3.5 Flash via NextModel: 1M-token context; Starting at $0.03 / 1M tokens in / $0.29 / 1M tokens out per 1M tokens. Capabilities: streaming.

Best use cases

  • Call this id if you want a low-input-price Qwen model, need streaming, and can proceed without a published context window or first-party CacheSafety score.
  • You need the listed capabilities on this catalog entry.
  • The listed price fits the workload better than the siblings in the same family.

When not to use

  • Do not call it if your decision requires a published context window or a published first-party CacheSafety benchmark.
  • Both are missing for qwen/qwen3.5-flash.
  • A required number is unpublished in the catalog snapshot.

OpenAI-compatible code example

request.sh
curl https://api.nextmodel.app/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $NEXTMODEL_API_KEY" \
  -d '{"model":"qwen/qwen3.5-flash","messages":[{"role":"user","content":"Reply with OK."}]}'

Switching models only changes the model field.

Try it in the playground

Similar alternatives

QwenCatalog

Qwen-Plus-Latest

Qwen-Plus-Latest via NextModel: 1M-token context; Starting at $0.8 / 1M tokens in / $8 / 1M tokens out per 1M tokens. Capabilities: streaming.

Starting at $0.8 / 1M tokensInput$8 / 1M tokensOutput1MContext
Best forGeneral chat via Qwen, API workloads
Streaming
Platform curatedCurated and maintained in the NextModel catalog
View details
QwenCatalog

Qwen3.5 Flash GLB

Qwen3.5 Flash GLB via NextModel: 1M-token context; $0.1 / 1M tokens in / $0.4 / 1M tokens out per 1M tokens. Capabilities: streaming.

$0.1 / 1M tokensInput$0.4 / 1M tokensOutput1MContext
Best forGeneral chat via Qwen, API workloads
Streaming
Platform curatedCurated and maintained in the NextModel catalog
View details
QwenCatalog

Qwen3.5 Plus

Qwen3.5 Plus via NextModel: 1M-token context; Starting at $0.12 / 1M tokens in / $0.69 / 1M tokens out per 1M tokens. Capabilities: streaming.

Starting at $0.12 / 1M tokensInput$0.69 / 1M tokensOutput1MContext
Best forGeneral chat via Qwen, API workloads
Streaming
Platform curatedCurated and maintained in the NextModel catalog
View details

Compare Qwen3.5 Flash

Qwen3.5 Flash vs Qwen-Plus-LatestQwen3.5 Flash vs Qwen3.5 Flash GLBQwen3.5 Flash vs Qwen3.5 PlusQwen3.5 Flash vs Qwen3.5 Plus GLBQwen3.5 Flash vs Qwen3.6 Flash GLB

Reading

Articles that explain Qwen3.5 Flash

FAQ

Qwen3.5 Flash API questions

What model id do I send for Qwen3.5 Flash?

Send qwen/qwen3.5-flash to https://api.nextmodel.app/v1 with your OpenAI SDK. If that id is missing from /v1/models, the page is stale.

What does the catalog list for price and context?

Qwen3.5 Flash is listed at $0.03 / 1M tokens input and $0.29 / 1M tokens output. Context window: not published in catalog.

What should I treat as unverified?

Do not call it if your decision requires a published context window or a published first-party CacheSafety benchmark. Both are missing for qwen/qwen3.5-flash.

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